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gtsummary Package for Clinical Tables

A practical guide to the gtsummary R package for clinical trial tables, including baseline characteristics, descriptive statistics, p-values, regression tables, survival summaries, formatting, customization, reporting workflows, and validation.

ggplot2 for Clinical Trial Visualizations

A practical guide to using ggplot2 for clinical trial visualizations, including longitudinal laboratory plots, adverse event charts, boxplots, spaghetti plots, forest plots, Kaplan-Meier displays, treatment comparisons, clinical reporting standards, and R implementation.

Writing Reusable R Functions for TLF Generation

A practical guide to writing reusable R functions for clinical trial Tables, Listings, and Figures (TLFs), including function design, arguments, validation, formatting, parameterization, debugging, testing, and production-ready reporting workflows.

Version Control with Git for Biostatisticians

A practical guide to using Git version control in clinical biostatistics, including repositories, commits, branches, merges, pull requests, code review, R and RStudio workflows, TLF development, reproducibility, renv, .gitignore, merge conflicts, tagging, and regulatory considerations.

Survival Analysis in R: The survival Package

A practical guide to survival analysis in R using the survival package, including time-to-event data, censoring, Kaplan-Meier curves, log-rank tests, Cox proportional hazards models, hazard ratios, confidence intervals, model interpretation, diagnostics, clinical trial applications, and reproducible R workflows.

Simulating Clinical Trial Data in R

A practical guide to simulating realistic clinical trial data in R, including treatment assignment, baseline covariates, longitudinal endpoints, binary and time-to-event outcomes, missing data, dropout, treatment effects, reproducible simulation, Monte Carlo operating characteristics, and validation.

R vs. SAS: A Comparison for Clinical Programmers

A practical comparison of R and SAS for clinical programmers, covering data manipulation, SQL, statistical analysis, clinical trial datasets, ADaM derivations, TLF programming, macros, functions, missing values, validation, reproducibility, regulatory submissions, and practical R versus SAS examples.

R for Clinical Trial Statisticians: Getting Started

A practical introduction to R for clinical trial statisticians and statistical programmers, covering R fundamentals, RStudio projects, data manipulation, clinical trial datasets, ADaM concepts, statistical analysis, visualization, functions, validation, reproducibility, and practical R workflows.

R Package Validation for Regulatory Submissions

A practical guide to validating R packages and R-based statistical workflows for regulated clinical-trial use, including risk assessment, intended use, requirements, test cases, reference outputs, dependency control, reproducible environments, change control, validation reports, and submission-ready documentation.

R Markdown for Clinical Study Reports

A practical guide to using R Markdown for Clinical Study Reports, including reproducible analysis, YAML configuration, R code chunks, clinical tables, figures, parameterized reports, Word and PDF output, references, quality control, traceability, and regulatory reporting workflows.