Hmisc

Hmisc is a comprehensive R package developed by Frank Harrell Jr. that provides a wide array of functions for data management, statistical analysis, and graphics. It is particularly well-suited for tasks encountered in clinical research and biostatistics. The package offers tools for data manipulation, such as creating and managing data frames, as well as functions for descriptive statistics, including summaries, frequency tables, and measures of central tendency and dispersion.

Beyond basic descriptive statistics, Hmisc includes advanced functionalities for data visualization. It supports the creation of various plot types, often with enhanced customization options compared to base R graphics. For statistical modeling, Hmisc provides functions for regression analysis, survival analysis, and hypothesis testing. The package also contains utilities for handling missing data, performing data imputation, and managing factor variables. Its extensive set of functions aims to streamline the workflow for data scientists and researchers, offering convenient solutions for common and complex data analysis challenges.