# JB Statistical Consulting

> Justin Belair | Statistical & Biostatistical Consulting


## Pages

- [Elementor #6599](https://justinbelair.com/elementor-6599/): Food Quality Consulting Solutions Ensuring food safety and quality requires rigorous statistical analysis and data-driven approaches. As a specialized food quality consultant, I help food manufacturers, processors, and regulatory bodies implement robust statistical methods for quality control and safety assessment. Whether you’re developing HACCP plans, conducting shelf-life studies, or meeting regulatory compliance requirements, my expertise ensures your food quality programs are statistically sound and defensible. Comprehensive Food Quality Services Transform your food safety challenges into reliable quality assurance systems. My end-to-end food quality consulting services help organizations establish and maintain the highest standards of food safety and quality through statistical […]
- [Quantitative Bias Analysis](https://justinbelair.com/consulting/quantitative-bias-analysis/): Advanced quantitative methods to assess and correct for measurement error, selection bias, and unmeasured confounding in epidemiological and observational studies using probabilistic bias analysis techniques.
- [Meta-Analysis Consulting](https://justinbelair.com/consulting/meta-analysis/): Expert statistical support for systematic reviews and meta-analyses, including random-effects models, publication bias assessment, heterogeneity analysis, and network meta-analysis for evidence synthesis.
- [Advanced Predictive Modeling](https://justinbelair.com/consulting/advanced-predictive-modeling/): State-of-the-art predictive modeling using machine learning, ensemble methods, and statistical learning techniques for risk prediction, clinical decision support, and prognostic model development with rigorous validation.
- [Industrial Statistics](https://justinbelair.com/consulting/industrial-statistics/): Statistical consulting for quality control, process optimization, Six Sigma initiatives, design of experiments (DOE), and statistical process control (SPC) in manufacturing and industrial settings.
- [Aeronautics & Aerospace](https://justinbelair.com/consulting/aeronautics-aerospace/): Expert statistical analysis for aerospace engineering, flight safety data, performance optimization, and reliability testing in aviation and aerospace industries.
- [Advanced Agronomic Statistics](https://justinbelair.com/consulting/advanced-agronomic/): Specialized biostatistical consulting for agricultural research, crop yield analysis, soil science studies, and precision agriculture data modeling.
- [Epidemiology Consulting](https://justinbelair.com/consulting/epidemiology-consulting/): Comprehensive epidemiological study design, disease surveillance analytics, outbreak investigation support, and population health data analysis for public health research.
- [Advanced Biochemistry](https://justinbelair.com/consulting/advanced-biochemistry/): Statistical support for biochemical research, protein analysis, enzyme kinetics, metabolic pathway studies, and molecular interaction modeling.
- [Advanced Biologics Consulting](https://justinbelair.com/consulting/advanced-biologics/): Expert biostatistical guidance for biologics development, including monoclonal antibodies, vaccines, cell therapies, and biosimilar studies with regulatory submission support.
- [Disease Surveillance Consulting](https://justinbelair.com/consulting/disease-surveillance/): Advanced analytics for disease monitoring systems, epidemic forecasting, real-time surveillance data interpretation, and public health response optimization.
- [Government and Public Policy](https://justinbelair.com/government-public-policy/): Statistical analysis and evidence synthesis for policy evaluation, program effectiveness studies, health economics research, and regulatory impact assessments.
- [Chemistry Statistics](https://justinbelair.com/chemistry-statistics/): Specialized statistical methods for analytical chemistry, quality control data, chemical process optimization, and method validation in pharmaceutical and industrial settings.
- [Advanced Lipidomics](https://justinbelair.com/consulting/advanced-lipidomics/): Cutting-edge statistical analysis for lipid profiling, membrane biology research, cardiovascular disease biomarker studies, and lipid metabolism investigations.
- [Measurement, Psychometrics, and Clinical Outcome Assessment](https://justinbelair.com/consulting/measurement-psychometric/): Expert development and validation of patient-reported outcomes, clinical assessment tools, psychometric scales, and measurement instruments for clinical trials and healthcare research.
- [Advanced Metabolomics](https://justinbelair.com/consulting/advanced-metabolomics/): Comprehensive statistical support for metabolomic profiling, biomarker discovery, systems biology integration, and personalized medicine research using mass spectrometry and NMR data.
- [Natural Products Consulting](https://justinbelair.com/natural-products-consulting/): Statistical expertise for natural product discovery, phytochemical analysis, traditional medicine validation, and bioactivity screening in drug development pipelines.
- [Scientific Literacy Workshops & Trainings](https://justinbelair.com/workshops-training/scientific-literacy/): Scientific Literacy for Organizations Workshop Sharpen your team’s ability to critically evaluate scientific evidence and challenge the research behind every claim. Designed for professionals already working in pharma, biotech, and life sciences, this workshop goes beyond surface-level reading. Your teams will develop the rigorous critical appraisal skills needed to spot methodological weaknesses, question statistical conclusions, and make stronger evidence-based decisions — even when the evidence is ambiguous or conflicting. Lets Talk Workshop Specialities Automated Causal Discovery from Real-World Data Navigate any research article with confidence, from abstract to supplementary data. The anatomy of a research paper: abstract, introduction, methods, results, […]
- [Statistical & Strategic Services - Consulting HUB](https://justinbelair.com/statistical-strategic-consulting/): Consulting Statistical & Strategic Services Complex biomedical initiatives require high-level statistical oversight and methodological clarity. I provide strategic consulting to ensure analytical rigor and alignment with regulatory expectations in high-stakes biotech, medtech, and health research. Lets Talk Consulting Services Strong statistical governance enhances research quality and organizational confidence. Below are focused consulting areas supporting methodological soundness and reproducibility, ultimately leading to higher regulator confidence. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association […]
- [Omnics Data - Consulting HUB](https://justinbelair.com/omnics-data-consulting/): Consulting Omics Data Consulting High-dimensional biological data requires specialized statistical integration to translate molecular complexity into clinically meaningful knowledge. Lets Talk Consulting Services Omics research relies on advanced modeling strategies to ensure validity and reproducibility. Below are consulting areas focused on rigorous analytical frameworks for complex data types. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association at Université de Montréal Bilingual Expertise: Skilled at explaining complex concepts in both French and English […]
- [Economic & Behavioral Research - Consulting HUB](https://justinbelair.com/economic-behavioral-consulting/): Consulting Economic & Behavioral Research Healthcare systems increasingly rely on economic evaluation and behavioral analysis to inform reimbursement, access, and policy strategy. I provide quantitative frameworks to support value-based decision-making. Lets Talk Consulting Services Economic and behavioral insights require methodological precision and transparency. Below are consulting areas supporting defensible health policy and market access analyses. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association at Université de Montréal Bilingual Expertise: Skilled at explaining […]
- [Data Science - Consulting HUB](https://justinbelair.com/data-science-consulting/): Consulting Data Science Consulting Advanced biomedical datasets require modern analytical frameworks to extract meaningful and reliable insights. I apply data science methodologies tailored to life sciences and healthcare research environments. Lets Talk Consulting Services Data-driven decision-making depends on robust modeling and transparent analysis. Below are consulting areas focused on advanced analytics and methodological rigor. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association at Université de Montréal Bilingual Expertise: Skilled at explaining complex […]
- [Health Technology - Consulting HUB](https://justinbelair.com/health-technology-consulting/): Consulting Health Technology Consulting Digital health innovations and medical technologies must be supported by rigorous analytical validation to ensure performance, safety, and evidentiary strength. Lets Talk Consulting Services Health technology solutions require statistical robustness to support clinical and regulatory acceptance. Below are consulting areas where advanced analytics strengthens evidence development. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association at Université de Montréal Bilingual Expertise: Skilled at explaining complex concepts in both French […]
- [Drug Development - Consulting HUB](https://justinbelair.com/drug-development-consulting/): Consulting Drug Development Consulting Drug development requires integrated quantitative strategy across pharmacology, modeling, and statistical evaluation. I support therapeutic programs with rigorous analytical frameworks from early research through submission. Lets Talk Consulting Services Quantitative methods play a critical role in guiding development decisions. Below are consulting areas focused on strengthening analytical integrity and scientific defensibility. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association at Université de Montréal Bilingual Expertise: Skilled at explaining […]
- [Clinical Trials - Consulting HUB](https://justinbelair.com/clinical-trials-consulting/): Consulting Clinical Trials Consulting From early-phase studies to pivotal trials, I provide advanced biostatistical expertise to ensure methodological rigor, operational feasibility, and regulatory compliance across the clinical development lifecycle. Lets Talk Consulting Services Clinical research demands precision in design, execution, and analysis. Below are consulting areas where statistical methodology supports robust evidence generation and regulatory alignment. Professional Background & Expertise “Academic Excellence and Statistical Leadership” Academic & Professional Background 10 Years as University Lecturer: Established educator of complex statistical concepts Academic Leadership: Former Chairman and President of Mathematics and Statistics Student Association at Université de Montréal Bilingual Expertise: Skilled at […]
- [Causal Inference - Consulting HUB](https://justinbelair.com/causal-inference-consulting-hub/): Consulting Causal Inference & RWE Whether you’re evaluating treatment effects in routine care, assessing safety signals post-approval, generalizing trial results to broader populations, or supporting health technology assessments, I apply state-of-the-art techniques — including target trial emulation, g-methods, doubly robust estimation, sensitivity analysis, and directed acyclic graphs (DAGs) — to deliver transparent, reproducible, and regulator-ready evidence. My work integrates target trial emulation, advanced g-methods, doubly robust estimation, and causal diagrams to ensure rigor in real-world settings. Lets Talk Consulting Services Causal inference is central to modern real-world evidence generation. Below are focused consulting areas where I apply advanced statistical and […]
- [Causal AI Workshops & Trainings](https://justinbelair.com/workshops-training/workshop-causal-ai-workshop/): Causal AI – Workshop Harness artificial intelligence to discover, model, and simulate real cause-and-effect relationships. Hands-on program that equips your data science, biostatistics, and R&D teams with the latest Causal AI tools to move beyond correlation, uncover true drivers, and reliably simulate the impact of interventions in meaningful business scenarios. Lets Talk Workshop Specialities Automated Causal Discovery from Real-World Data Uncover hidden causal structures directly from your data Learn causal structure directly from EHR, omics, and trial data PC, GES, and NOTEARS algorithms in practice Combine expert knowledge with data-driven discovery Validate and refine discovered graphs against clinical reality Immediate […]
- [Workshop - Regulatory Biostatistics & Clinical Trials Workshops](https://justinbelair.com/workshops-training/workshop-regulatory-biostatistics-clinical-trials-workshops/): Regulatory Biostatistics & Clinical Trials Workshops Design and execute trials that meet global regulatory standards and speed time to market. Hands-on workshop that gives your statisticians, clinicians, and regulatory teams the exact tools, templates, and decision frameworks used in successful FDA, EMA, and PMDA submissions. Lets Talk Workshop Specialities Clinical Trial Design & Sample Size Design efficient trials with precise power and optimal resource allocation Choose optimal Phase I–IV designs for your molecule and indication Perform precise sample size and power calculations (including adaptive or sequential designs) Write defensible design sections for protocols and briefing books Simulate operating characteristics before […]
- [Real-World Evidence (RWE) Workshops & Training](https://justinbelair.com/workshops-training/workshop-real-world-evidence-rwe-workshops/): Real-World Evidence (RWE) Workshops Generate robust evidence from real-world data to support decisions and approvals. Hands-on workshop that equips your teams to design, analyse, and defend regulatory-grade RWE studies using EHR, claims, registry, and other non-experimental data. Lets Talk Workshop Specialities Observational Study Design & Protocol Design rigorous RWE studies that meet regulatory standards Select and justify real-world data sources Write RWE protocols and SAPs for FDA and EMA Define estimands and target trial elements Meet ENCePP and FDA RWE framework standards Ready-to-use templates from approved studies Confounding & Selection Bias Control Master advanced methods to isolate true treatment effects […]
- [Workshop - Causal Inference Workshops](https://justinbelair.com/workshops-training/causal-inference-workshops/): Causal Inference Workshops Causal Inference Workshops Master cutting-edge causal methods to answer “what if” questions with confidence. This practical workshop gives your team the tools and frameworks to derive credible causal estimates from observational data. Hands-on training covers identification strategies, modern methods, and regulatory-accepted sensitivity analyses. Lets Talk Workshop Specialities Causal Diagrams & Identification Map your causal assumptions with precision and clarity Construct and interpret DAGs to guide adjustment decisions Identify backdoor paths and valid adjustment sets Translate research questions into formal causal models Common DAG errors and how to avoid them Ready-to-use templates for study planning Propensity Score Methods […]
- [Regulatory Biostatistics & Clinical Trials Workshops](https://justinbelair.com/regulatory-biostatistics-clinical-trials-workshops/): Biostatistics Foundations & Applications Workshop Build a rock-solid foundation in biostatistics with practical tools and real-world application. This intensive workshop transforms your workforce in just a few days. Hands-on training delivers immediately applicable skills in core methods, regulatory deliverables, and modern software – perfect for analysts, scientists, clinicians, and entire research teams. Lets Talk Workshop Specialities Core & Advanced Biostatistical Methods Master hypothesis testing, confidence intervals, and p-values in this foundational workshop. Master hypothesis testing, confidence intervals, and p-values in this foundational workshop Complete training on regression, survival analysis, and ANOVA family Sample size and power calculations you’ll use in […]
- [Workshop - Biostatistics Foundations & Applications Workshop](https://justinbelair.com/workshops-training/biostatistics-foundations/): Biostatistics Foundations & Applications Workshop Build a rock-solid foundation in biostatistics with practical tools and real-world application. This intensive workshop transforms your workforce in just a few days. Hands-on training delivers immediately applicable skills in core methods, regulatory deliverables, and modern software – perfect for analysts, scientists, clinicians, and entire research teams. Lets Talk Workshop Specialities Core & Advanced Biostatistical Methods Master hypothesis testing, confidence intervals, and p-values in this foundational workshop. Master hypothesis testing, confidence intervals, and p-values in this foundational workshop Complete training on regression, survival analysis, and ANOVA family Sample size and power calculations you’ll use in […]
- [Workshops & Training](https://justinbelair.com/workshops-training/): Biostatistics Workshops and Training for Organizations Expert-Led Statistical Training for Research Teams Modern pharmaceutical and biotech companies need research teams with advanced biostatistics skills. As a university lecturer and consultant, I deliver customized training programs in Real-World Evidence, Causal Inference, and Clinical Trial Design that provide immediate value to your organization.​ Lets Talk Workshop Specialities Causal Inference Workshops​ Master cutting-edge causal methods to answer “what if” questions with confidence. Causal diagrams, propensity scores, instrumental variables Causal AI and machine learning integration Advanced techniques: difference-in-differences, mendelian randomization Target Trial Emulation (TTE) Sensitivity analysis and quantitative bias assessment (QBA) Pre-registration and transparent […]
- [Community](https://justinbelair.com/community/): Building a Thriving Statistics Community – One Connection at a Time Join scientists, researchers, and data professionals in advancing statistical science across all disciplines 21,064 LinkedIn Followers 700+ Newsletter Subscribers 10 years Years as University Lecturer My LinkedIn Community Impact From Passionate Statistics Nerd to International Influencer Often called a nerd, I prefer to say I am passionate about science 😂. With sound statistics, I believe we can create better science. Global Reach Thousands of senior executives in key industries, academic researchers, expert statisticians, data scientists, and students from around the world follow my content Content Style Educational content that […]
- [Book Download Form](https://justinbelair.com/book-download-form/): Causal Inference in Statistics Free Download
- [Consulting](https://justinbelair.com/consulting/)
- [Training & Capacity Building Services](https://justinbelair.com/consulting/training-capacity-building-services/): Professional Biostatistics Training & Capacity Building Services Building statistical expertise within your organization is essential for making informed, data-driven decisions. As a specialized biostatistics trainer, I help teams, researchers, and organizations develop the statistical skills needed to excel in their work. Whether you’re looking to upskill your staff, meet regulatory requirements, or build internal statistical capabilities, my training programs deliver practical knowledge that translates directly to improved performance. Comprehensive Training & Development Services Transform your team’s statistical capabilities with targeted, practical training solutions. My professional development programs help organizations build internal expertise while ensuring compliance with industry standards. Custom Training […]
- [Statistical Genetics & Genomics](https://justinbelair.com/consulting/statistical-genetics-genomics/): Advanced genetic association studies and genomic data modeling to uncover disease mechanisms and biomarkers.
- [Specialized Clinical Trial Designs](https://justinbelair.com/consulting/specialized-clinical-trial-designs/): Adaptive, Bayesian, and complex trial design methodologies tailored to innovative therapies and rare diseases.
- [Regulatory Biostatistics](https://justinbelair.com/consulting/regulatory-biostatistics/): Statistical leadership for regulatory submissions, SAP development, and compliance with global health authorities.
- [Real-World Evidence (RWE) & Data Analytics](https://justinbelair.com/consulting/real-world-evidence-rwe-data-analytics/): Target trial emulation and causal analysis of real-world data to generate robust, regulator-ready evidence.
- [Quality Assurance in Statistical Programming](https://justinbelair.com/consulting/quality-assurance-in-statistical-programming/): Independent validation, reproducibility checks, and quality assurance for regulatory-grade statistical programming.
- [Post-Marketing Surveillance & Pharmacovigilance Analytics](https://justinbelair.com/consulting/post-marketing-surveillance-pharmacovigilance-analytics/): Advanced safety signal detection and risk assessment using real-world data and pharmacoepidemiologic methods.
- [Pharmacology & Drug Development](https://justinbelair.com/consulting/pharmacology-drug-development/): Quantitative pharmacology and statistical strategy guiding early-phase development through regulatory submission.
- [Advanced Pharmacokinetics & Pharmacodynamics Consulting](https://justinbelair.com/consulting/advanced-pharmacokinetics-pharmacodynamics-consulting/): Advanced PK/PD modeling and exposure-response analysis to support dose selection, optimization, and regulatory-ready drug development strategies.
- [Non-Clinical Research](https://justinbelair.com/consulting/non-clinical-research/): Statistical design and analysis for preclinical and laboratory research supporting translational development.
- [Multi-Omics Integration & Advanced Data Types Solutions](https://justinbelair.com/consulting/multi-omics-integration-advanced-data-types-solutions/): Integrated analysis of genomics, transcriptomics, proteomics, and complex data types to drive precision medicine insights.
- [Health Economics & Outcomes Research](https://justinbelair.com/consulting/health-economics-outcomes-research/): Economic modeling and outcomes research to inform payer decisions, reimbursement strategies, and value-based care.
- [Environmental & Population Health Statistics](https://justinbelair.com/consulting/environmental-population-health-statistics/): Causal modeling and advanced statistical analysis of environmental exposures and population-level health outcomes.
- [Discrete Choice Experiments](https://justinbelair.com/consulting/discrete-choice-experiments/): Design and analysis of discrete choice experiments to quantify patient, provider, and stakeholder preferences in healthcare.
- [Digital Health & Wearable Technologies](https://justinbelair.com/consulting/digital-health-wearable-technologies/): Statistical validation and data analytics for wearable devices and digital biomarkers in clinical and real-world settings.
- [ Data Visualization & Reporting Solutions for Advanced Biostatistics](https://justinbelair.com/consulting/data-visualization-reporting-solutions-for-advanced-biostatistics/): Clear, decision-focused dashboards and statistical reporting solutions transforming complex analyses into actionable insights.
- [Data Science & Machine Learning for Life Sciences](https://justinbelair.com/consulting/data-science-machine-learning-for-life-sciences/): Applied machine learning and predictive modeling tailored to biomedical data, real-world evidence, and translational research.
- [Clinical Trial Design & Analysis](https://justinbelair.com/consulting/clinical-trial-design-analysis/): End-to-end clinical trial design, power calculations, interim analyses, and advanced modeling to ensure robust and defensible results.
- [Elementor #4243](https://justinbelair.com/elementor-4243/): Advanced Causal Inference Solutions Understanding true cause-and-effect relationships is crucial in both research and business applications.  As a specialized causal inference consultant, I help you navigate the complexities of causal analysis, from study design to implementation. Whether you’re a researcher seeking to publish groundbreaking findings or a business looking to make data-driven decisions, my expertise ensures your causal conclusions are robust and reliable. The Causal Inference Process My statistical consulting process is designed for ease and clarity Icon Box Transform your research questions into robust causal studies that stand up to scrutiny. Design randomized controlled trials, A/B tests, and quasi-experimental studies […]
- [Biotech & Biopharmaceutical Consulting Services](https://justinbelair.com/consulting/biotech-biopharmaceutical-consulting-services/): Strategic statistical and analytical support for biotech and biopharma companies across development, regulatory, and commercialization stages.
- [Biostatistics and Medical Statistics Consulting](https://justinbelair.com/consulting/biostatistics-and-medical-statistics-consulting/): Comprehensive biostatistical expertise for clinical research, observational studies, and medical data analysis across life sciences.
- [Biosimilar & Advanced Therapy Statistics](https://justinbelair.com/consulting/biosimilar-advanced-therapy-statistics/): Statistical strategy and comparative analytics for biosimilars and advanced therapies, supporting equivalence, safety, and regulatory submissions.
- [Causal Inference Consulting](https://justinbelair.com/causal-inference-consulting/): Advanced causal modeling and study design to estimate treatment effects and generate transparent, regulator-ready evidence from real-world data.
- [Introduction to Biostatistics](https://justinbelair.com/introduction-to-biostatistics/): Introduction TO Biostatistics Learn Statistics the Right way arrow-icon-size3 Access Course 6 Lessons 50+ Videos Beginner Skill Level 15h Duration English Language Share This Course: Overview This self-paced, fully online course will take you from 0 knowledge to analyzing datasets in no time, without sacrificing understanding! The course is compact, practical, and straight to the point. I’ve carefully curated the content and refined my approach over many years, drawing from my university lectures, and (if I can say so without sounding pretentious) I really believe in this material. The material will include videos, podcast style conversations, slides, code notebooks in […]
- [About Me](https://justinbelair.com/about-me/): About Me My Mission: Helping Organizations Make Impactful Research I help pharmaceutical, biotech, and medtech companies turn complex data into defensible regulatory and strategic decisions through causal inference and real-world evidence (RWE). A lifelong fascination with understanding the world through mathematical models and data led me to biostatistics—and to a clear mission: helping organizations use rigorous methods to achieve strategic goals. This philosophy shapes everything I build. I’m the author of Causal Inference in Statistics, created a beginner-friendly course that emphasizes statistical thinking over cookbook recipes, and built a free platform of statistical tools now used by thousands of researchers […]
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- [Causal Inference Book](https://justinbelair.com/causal-inference-in-statistics-book/): Causal Inference in Statistics with Exercises, Practice Projects, and R Code Notebooks with Exercises, Practice Projects, and R Code Notebooks As of now, with a pre-order you receive a 224 page PDF and online version with Chapters 1,2,3, and 5, including the code notebooks PRE-ORDER NOW 12 Chapters 11 Case-studies with Code notebooks 20+ Code Notebooks for hands-on practice 3 formats— physical, PDF, and online 200+ Unique Exercises 100+ Graphics, tables and Images ~ 600 Pages DOWNLOAD INTRODUCTION CHAPTER FOR FREE EARLY BIRD DISCOUNT – By buying the book early, you support my writing. The price will go up later. […]
- [Statistical Consulting](https://justinbelair.com/statistical-consulting-2/): The significance of statistical expertise is crucial in various fields, including scientific research, business, and education. By leveraging my statistical abilities, you can harness data to drive your work to new levels.
- [Biostatistics Consulting](https://justinbelair.com/biostatistics-consulting/): Biostatistics :Statistics Applied to Biological Sciences Around the 20th Century, biologists faced growing data complexities. This led to the emergence of biostatistics, applying statistical methods to biological sciences. While biostatistics overlaps with statistics, it often involves methods tailored to biological inquiries. Who Needs Biostatistics? In today’s diverse biological landscape, each subfield requires unique statistical approaches. However, the necessity of statistics spans across all scientific disciplines, from biomedicine to psychology. As such, a biostatistician is well-equipped to assist in any scientific study which collects data. A Curated List of My Work in Biostatistics Industry R&D In industry, scientists often juggle the […]
- [Home (test pour design)](https://justinbelair.com/home-test-pour-design/): Statistical Consultant Expert Consultation for Your Statistical Studies and Data I’m Justin Belair – the international expert you’ve been looking for on data science and statistics. My statistical consulting and freelance work have helped scientists from all over the world understand their data. I’ve successfully contributed to my academic collaborators publishing their papers in top peer-reviewed journals, and I’ve assisted biotechnology industry clients in answering important R&D questions to optimize Return-On-Investment of their innovative products. Based in Montreal, Canada, I offer a fully bilingual (French and English) statistical consultant service. As I work remotely, I can collaborate virtually (via Zoom, […]
- [Digital Health Solutions  & Medical Device Statistics](https://justinbelair.com/consulting/digital-health-solutions/): Analytical and statistical frameworks supporting digital therapeutics, remote monitoring platforms, and health innovation.
- [PHD Students](https://justinbelair.com/phd-students/): PHD Students : Apply for 3 Free Hours of Consulting! For PhD students seeking rigorous and insightful feedback on their research, I am offering a limited opportunity for a 3-hour consultation at no cost. To be considered, please answer the form below with a small paragraph ensuring that your details are comprehensive for a first constructive discussion. Quebec Universities Montreal McGill University University of Montreal (UdeM) University of Quebec in Montreal (UQAM) Concordia University Montreal School of Higher Commercial Studies (HEC) Higher School of Technology (ETS) Polytechnic Montreal Abitibi-Temiscamingue University of Quebec in Abitibi-Temiscamingue (UQAT) Lower Saint Lawrence University of […]
- [FAQ - Justin Belair](https://justinbelair.com/faq-working-with-a-statistical-consultant/)
- [Longitudinal Studies](https://justinbelair.com/biostatistics/longitudinal-studies/): Longitudinal Studies – FAQ Longitudinal Studies – All you need to know What Is A Longitudinal Studies Used For In Biostatistics? A longitudinal study is a type of research study that involves collecting data from the same subjects over a period of time. It is used in biostatistics to study the changes in the response variable over time, and to investigate the factors that influence these changes. For example, a longitudinal study in biostatistics could be used to study the progression of a disease, the effectiveness of a treatment or intervention, or the relationship between environmental factors and health outcomes. […]
- [Reapeated Measures](https://justinbelair.com/biostatistics/repeated-measures/): Repeated Measures – FAQ Repeated Measures – All you need to know what is a repeated measure in statistics? In statistics, a repeated measure is a type of dependent variable that is measured repeatedly over time on the same individuals or units. This type of data is commonly used in longitudinal studies, where the same variables are measured at multiple time points.  Repeated measures can provide valuable insights into changes and trends over time, and can help researchers to identify patterns and relationships in the data. In order to effectively analyze repeated measures data, researchers must use appropriate statistical methods […]
- [Statistics and Data Science](https://justinbelair.com/statistical-consulting-and-data-science/stats-data-science-faq/): Statistical and Data Science – All you need to know Book a Consultation Statistical and Data Science – All you need to know What Does A Statistical And Data Science Consultat Do? A statistical consultant is a professional who provides expert advice and guidance on the design, analysis, and interpretation of statistical data. Statistical consultants are typically experts in statistical methods, software, and programming languages, and have extensive experience in applying these tools to real-world problems. The role of a statistical consultant can vary depending on the specific project and the needs of the client. In general, a statistical consultant […]
- [Mixed Models - FA](https://justinbelair.com/biostatistics/mixed-models/): Mixed Models FAQ Mixed Models – All you need to know What are mixed models in statistics? Mixed models are statistical models that include both fixed and random effects. They are commonly used in fields such as medicine, psychology, and sociology to analyze data with a hierarchical or clustered structure. In a mixed model, the fixed effects are the variables that are known or controlled by the researcher, such as the treatment or the intervention. The random effects are the variables that are not known or controlled by the researcher, such as the subject or the cluster. Mixed models allow […]
- [Biostatistics and Bioinformatics - All you need to know](https://justinbelair.com/biostatistics/biostats-bioinformatics-faq/): Biostatistics and Bioinformatics – All you need to know​ Biostatistics and Bioinformatics – All you need to know​ – All you need to know What does Biostatistics and Bioinformatics Mean? Biostatistics is a branch of statistics that is specifically designed to analyze and interpret biological data. It is commonly used in fields such as medicine, public health, and environmental science to study the relationship between variables and to make predictions about future values. Bioinformatics, on the other hand, is a field that uses computer science and statistics to analyze and interpret biological data. It is commonly used in genomics, proteomics, […]
- [Bootstrapping in Statistics | Bootstrap Method | Justin Belair](https://justinbelair.com/biostatistics/bootstrap-statistics/): Bootstrap Method – All you need to know​ Bootstrapping – All you need to know What Is Bootstrapping in statistics? Bootstrap is a resampling method that is used to estimate the sampling distribution of a statistic. It involves repeatedly drawing samples from the data and computing the statistic of interest for each sample. The resulting distribution of statistics is then used to make inferences about the population or the relationship between variables. Bootstrap is a widely used and powerful statistical technique that has many advantages. It is particularly useful for handling complex data structures and for making inferences when the […]
- [reg models](https://justinbelair.com/statistical-consulting-and-data-science/regression-models/): Regression Models – All you need to know​ Regression Models – All you need to know What Is A Regression Model? A regression model is a statistical model that is used to predict the value of a dependent variable based on the values of one or more independent variables. It is commonly used in regression analysis, which is a statistical technique used to study the relationship between variables and to make predictions about future values. A regression model is typically represented by an equation that describes the relationship between the dependent and independent variables. The equation includes coefficients for each […]
- [Hypothesis Testing](https://justinbelair.com/statistical-consulting-and-data-science/hypothesis-testing/): Hypothesis Testing Book a Consultation Hypothesis Testing – All you should know What is Hypothesis Testing? Hypothesis testing is a statistical method used to evaluate the evidence provided by data and make inferences about a population or a relationship between variables. It involves making a prediction or a hypothesis about the data, collecting data, and then using statistical techniques to determine the likelihood that the prediction or hypothesis is true. Hypothesis testing is an important tool in many fields, including science, business, and economics, as it allows researchers and analysts to make informed decisions and conclusions about their data. It […]
- [rstudio](https://justinbelair.com/rstudio-expertise/): RStudio is a popular open-source software platform for data science, including statistical consulting. It provides a comprehensive set of tools and resources for data manipulation, visualization, and statistical analysis, and is widely used by statisticians and data scientists for consulting projects.
- [Biostatistics](https://justinbelair.com/biostatistics/): Biostatistics and Bioinformatics Biostatistics is the application of statistical methods and techniques to the study of biological phenomena and data. Biostatisticians work closely with biologists, epidemiologists, and other health researchers to design and analyze experiments, study data, and make inferences about the relationships between variables in biological systems. Bioinformatics is the application of computational and statistical techniques to the management, analysis, and interpretation of biological data. Bioinformaticians work with large, complex data sets from sources such as DNA sequencing and gene expression experiments, and use a variety of tools and algorithms to extract insights and knowledge from the data. Biostatistics […]
- [Biostatistics and Bioinformatics - All you need to know](https://justinbelair.com/biostatistics/biostatistics-bioinformatics-faq/): Wilcoxon Signed Rank Test Wilcoxon Signed Rank Test The Mann-Whitney test, also known as the Wilcoxon rank-sum test, is a nonparametric statistical test used to compare the median of two independent samples. It is often used when the data is not normally distributed or when the sample sizes are small. The Mann-Whitney test works by ranking the values in each sample, summing the ranks, and then comparing the sums to determine if there is a statistically significant difference between the two samples. The test calculates a p-value, which represents the probability that the difference between the two samples could have […]
- [Mann-Whitney test](https://justinbelair.com/statistical-consulting-and-data-science/mann-whitney-test/): Mann-Whitney test The Mann-Whitney test, also known as the Wilcoxon rank-sum test, is a nonparametric statistical test used to compare the median of two independent samples. It is often used when the data is not normally distributed or when the sample sizes are small. The Mann-Whitney test works by ranking the values in each sample, summing the ranks, and then comparing the sums to determine if there is a statistically significant difference between the two samples. The test calculates a p-value, which represents the probability that the difference between the two samples could have occurred by chance. A p-value below […]
- [Testimonials](https://justinbelair.com/testimonials/): What collaborators say:  5/5 Our collaborations have resulted in real business impact. Dr. Victor Kang Lead Scientist, Spotta  5/5 His technical expertise and statistical knowledge is exceptional. Dr. Robert Whitley Professor, McGill University  5/5 I would happily work with Justin again and definitely recommend him to others needing a statistical consultant. Joshua Nasielski Professor, Guelph University  5/5 He has a deep understanding of statistics, yet is able to skillfully explain complex concepts to people with little-to-no background in statistics both in French and English. Elsa Brunet-Ratnasingham Scientist, Arda Therapeutics  5/5 I had never before worked with […]
- [Statistical Consulting & Data Science](https://justinbelair.com/statistical-consulting-and-data-science/): Statistical Consulting and Data Science Statistical consulting and data science are closely related fields that both involve the use of statistical methods and analysis for problem solving and decision making. Statistical consulting focuses on providing expert advice and guidance to clients, while data science focuses on using advanced techniques and tools to extract insights and knowledge from data. Statistical Consulting FAQ Book a Consultation Learn about the methods Hypothesis testing Hypothesis testing is a statistical method that is used to determine whether a hypothesis about a population parameter is true or not. In hypothesis testing, a researcher will first form […]
- [Home](https://justinbelair.com/): Statistical Consultant and Strategic Advisor Real-World Evidence & Causal Inference for Regulatory-Grade Biostatistics in Pharma and Biotech I’m Justin Belair – an international expert on data science and statistics, with a strong expertise in causal inference. My statistical consulting and freelance work makes high-stakes projects in small to mid-size biotech, medtech, and pharma companies stand up to scrutiny. I help clients solve important Real-World Evidence (RWE) challenges, succeed in high-stakes processes with FDA, EMA, Santé Canada, and other regulators for drug development, and solve R&D problems to optimize Return-On-Investment. My work often gets published in top peer-reviewed journals. Based in Montreal, Canada, I offer a fully bilingual (French […]
- [Contact](https://justinbelair.com/contact/): Contact Me

## Products

- [Causal Inference in Statistics: with Exercises, Practice Projects, and R Code Notebooks](https://justinbelair.com/product/causal-inference-in-statistics-book/): EARLY BIRD DISCOUNT - By buying the book early, you support my writing. The price will go up later.    At any point when you purchase the book, you will receive:     	A free print version when it is finished.   	A .pdf file containing the most up-to-date version of the book, up to the latest release. When a new part is released, you will received an up-to-date version including the new part released, for free.   	Lifetime access to any updates, additional exercises, projects, and more.   	Lifetime access to ALL the code used to create the book, including the many graphs, illustrations, and tables.   	Lifetime access to all the case-studies in the form of code notebooks.   	Lifetime access to a Github Repo where all the content related to the book, including but not limited to the code, will be neatly organized.    In short, you pay once, and receive everything as it comes out, for the rest of your life.    COMES WITH A NO QUESTIONS-ASKED MONEY-BACK GUARANTEE!


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