Combine Multidimensional Arrays
'Arrow' Database Connectivity ('ADBC') Driver Manager
'DBI' Compliant Database Access Using 'ADBC'
ADaM in R Asset Library
Utility Functions and Development Tools for the Admiral Package Family
Metabolism Extension Package for ADaM in 'R' Asset Library

admiralonco
(2)
Oncology Extension Package for ADaM in 'R' Asset Library
ADaM in R Asset Library - Ophthalmology
Pediatrics Extension Package for ADaM in 'R' Asset Library
Vaccine Extension Package for ADaM in 'R' Asset Library
Anything to 'POSIXct' or 'Date' Converter
Analyses of Phylogenetics and Evolution
Decorate a 'ggplot' with Associated Information
Multi-Format Archive and Compression Support
Integration to 'Apache' 'Arrow'
Area of Resilience to Stress Event
An Arsenal of 'R' Functions for Large-Scale Statistical Summaries
Create 'Ascii' Screen Casts from R Scripts
'Asio' C++ Header Files

askpass
(2)
Password Entry Utilities for R, Git, and SSH
Easy Pre and Post Assertions
Tools for Defensive Programming
Slide Automation for Tables, Listings and Figures
Fast and Vectorized Base 64 Engine
Use 'nlmixr2' to Interact with Open Source and Commercial Software

backports
(2)
Reimplementations of Functions Introduced Since R-3.0.0
Tools for base64 encoding
Fast and URL-Safe Base64 Encoder and Decoder
Tools for Computation on Batch Systems
Understand and Describe Bayesian Models and Posterior Distributions
R package for bbi
Bioequivalence Study Data Analysis
High Precision Timing of R Expressions
Boost C++ Header Files

bigD
(2)
Flexibly Format Dates and Times to a Given Locale
Binomial Confidence Intervals for Several Parameterizations
Access the Bioconductor Project Package Repository

bit
(2)
Classes and Methods for Fast Memory-Efficient Boolean Selections

bit64
(2)
A S3 Class for Vectors of 64bit Integers

bitops
(2)
Bitwise Operations

blastula
(2)
Easily Send HTML Email Messages
A Simple S3 Class for Representing Vectors of Binary Data ('BLOBS')
Authoring Books and Technical Documents with R Markdown
Bootstrap Functions (Originally by Angelo Canty for S)
Write Reusable, Composable and Modular R Code
Linters for 'box' Modules
Provides 'box' Compatibility for 'languageserver'
Templating Framework for Report Generation
Basic R Input Output
Convert Statistical Objects into Tidy Tibbles
Helpers for Model Coefficients Tibbles
Tidying Methods for Mixed Models
A Compression Format Optimized for the Web

bslib
(3)
Custom 'Bootstrap' 'Sass' Themes for 'shiny' and 'rmarkdown'

cachem
(2)
Cache R Objects with Automatic Pruning

callr
(2)
Call R from R
Companion to Applied Regression
Companion to Applied Regression Data Sets

cards
(5)
Analysis Results Data
Extra Analysis Results Data Utilities
Tools: Moving Window Statistics, GIF, Base64, ROC AUC, etc
Translate Spreadsheet Cell Ranges to Rows and Columns
Fast and Versatile Argument Checks
Install Packages from Snapshots on the Checkpoint Server for Reproducibility
High Performance Tables Using 'Cheetah Grid'
Standard TLGs for Clinical Trials Reporting
A Collection of Large Language Model Assistants
Headless Chrome Web Browser Interface
Chronological Objects which Can Handle Dates and Times
Provide Tours of 'Shiny' Applications

class
(2)
Functions for Classification

classInt
(2)
Choose Univariate Class Intervals
Helpers for Developing Command Line Interfaces
Clinical Pharmacokinetics Toolkit
Read and Write from the System Clipboard

clock
(2)
Date-Time Types and Tools

cluster
(3)
"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et al.
R Interface to 'CmdStan'
Output Analysis and Diagnostics for MCMC

codetools
(2)
Code Analysis Tools for R
Conditional Inference Procedures in a Permutation Test Framework
Interactive Collapsible Tree Diagrams using 'D3.js'
High Performance Container Data Types

colorspace
(2)
A Toolbox for Manipulating and Assessing Colors and Palettes
A Colour Picker Tool for Shiny and for Selecting Colours in Plots
Solutions for Common Problems in Base R

commonmark
(3)
High Performance CommonMark and Github Markdown Rendering in R
Manage Environment Specific Configuration Values
Confidence Intervals
An Alternative Conflict Resolution Strategy
Utilities for Interacting with the 'Posit Connect' Server API
Manage 'OAuth' Credentials from 'Posit Connect'
Integrates with the 'RStudio' Connections Pane and 'pins'
Streamlining Data Access in Clinical Research
Organize and Curate Your Content Within 'Posit Connect'
Convolution-Type Smoothed Quantile Regression
A Collection of Contrast Methods
'Coroutines' for R
Efficient Estimation of Covariance and (Partial) Correlation
Visualization of a Correlation Matrix
Test Coverage for Packages
Contextualizing Tests
Streamlined Plot Theme and Plot Annotations for 'ggplot2'

cpp11
(3)
A C++11 Interface for R's C Interface
An 'Armadillo' Interface
Download Logs from the 'RStudio' 'CRAN' Mirror

crayon
(2)
Colored Terminal Output
Tools for Managing SSH and Git Credentials
Crosstables for Descriptive Analyses
Inter-Widget Interactivity for HTML Widgets

crul
(2)
HTTP Client
Adaptive Multivariate Integration over Hypercubes
A Modern and Flexible Web Client for R

cutpointr
(2)
Determine and Evaluate Optimal Cutpoints in Binary Classification Tasks
Cyclomatic Complexity of R Code
Extension of `data.frame`
General Purpose Hierarchical Data Structure

datacutr
(2)
SDTM Datacut

datasetjson
(2)
Read and Write CDISC Dataset JSON Files
Easy Data Wrangling and Statistical Transformations
R Database Interface
A 'dplyr' Back End for Databases
Debug R Packages
Retrieve Code Decorations
Interface to the 'DeepL' Translation API

deldir
(2)
Delaunay Triangulation and Dirichlet (Voronoi) Tessellation
Symbolic Differentiation
Manipulate DESCRIPTION Files

DescTools
(3)
Tools for Descriptive Statistics
Solvers for Initial Value Problems of Differential Equations ('ODE', 'DAE', 'DDE')

details
(2)
Create Details HTML Tag for Markdown and Package Documentation
Tools to Make Developing R Packages Easier
Block Diagonal Extraction or Replacement
Functions for Visualising Simple Graphs (Networks), Plotting Flow Diagrams

dials
(2)
Tools for Creating Tuning Parameter Values
Designs of Computer Experiments
Dataframe Difference Tool
Diffs for R Objects
HTML Widget to Show File Differences
Create Compact Hash Digests of R Objects
Vectorised Probability Distributions
Linux Distribution Properties
Mutate Data Frames with Random Variates
Groupwise Statistics, LSmeans, Linear Estimates, Utilities
Document Conversion to 'PDF' or 'PNG'
Extract Data Tables and Comments from 'Microsoft' 'Word' Documents
Use Foreach to Parallelize via the Future Framework
Planning and Analyzing Dose Finding Experiments
Enhanced Foreign Function Interface Supporting Long Vectors
Syntax Highlighting and Automatic Linking
Port of 'Dparser' Package
A Grammar of Data Manipulation
Methods for Dimension Reduction for Regression
'Drat' R Archive Template
A Wrapper of the JavaScript Library 'DataTables'
Data Table Back-End for 'dplyr'
DBI Package for the DuckDB Database Management System
A 'DuckDB'-Backed Version of 'dplyr'
Preprocessing Tools for Clinical Trial Data
Large/Sensitive File Linker for Git Repositories

e1071
(2)
Misc Functions of the Department of Statistics, Probability Theory Group (Formerly: E1071), TU Wien
Extensions for 'ggplot2': Custom Geom, Custom Themes, Plot Alignment, Labelled Panels, Symmetric Scales, and Fixed Panel Size
Tools for Working with ...
Chat with Large Language Models
Estimated Marginal Means, aka Least-Squares Means
Translate Integers into English

entropy
(2)
Estimation of Entropy, Mutual Information and Related Quantities
Tools for Assessing Estimability of Linear Predictions
Parsing and Evaluation Tools that Provide More Details than the Default
Unconditional Exact Test
Exact Distributions for Rank and Permutation Tests

expm
(2)
Matrix Exponential, Log, 'etc'

fansi
(2)
ANSI Control Sequence Aware String Functions

farver
(2)
High Performance Colour Space Manipulation
Fast Creation of Dummy (Binary) Columns and Rows from Categorical Variables

fastmap
(2)
Fast Data Structures
HTTP Error Helpers
Estimation of (Local) False Discovery Rates and Higher Criticism
Memory-Efficient Storage of Large Data on Disk and Fast Access Functions

fields
(2)
Tools for Spatial Data
Portable File Locking
R Markdown Format for Flexible Dashboards
Functions for Tabular Reporting
Easily Work with 'Font Awesome' Icons
Fonts with 'Bitstream Vera Fonts' License
Liberation Fonts
Set of Installed Fonts
Tools for Working with Categorical Variables (Factors)
Provides Foreach Looping Construct

foreign
(4)
Read Data Stored by 'Minitab', 'S', 'SAS', 'SPSS', 'Stata', 'Systat', 'Weka', 'dBase', ...
Format R Code Automatically

formatters
(2)
ASCII Formatting for Values and Tables

Formula
(2)
Extended Model Formulas
Programmatic Utilities for Manipulating Formulas, Expressions, Calls, Assignments and Other R Objects
Cross-Platform File System Operations Based on 'libuv'
Extensions for 'Flextable'
Apply Mapping Functions in Parallel using Futures
Unified Parallel and Distributed Processing in R for Everyone
Apply Function to Elements in Parallel using Futures
A Future API for Parallel and Distributed Processing using 'batchtools'
A 'Future' API for Parallel Processing using 'mirai'
Test Suite for 'Future API' Backends
Easily Install and Load the 'Futureverse'
Graph Visualisation Engine Widget for R and 'shiny' Apps
Generalized Additive Models
High Performance, Low Friction Large Language Model Chat
Utilities for Working with Google APIs
Utilities for Graphical Rendering and Fonts Management

geeasy
(2)
Solve Generalized Estimating Equations for Clustered Data
Solve Generalized Estimating Equations
Generalized Estimating Equation Package
Common S3 Generics not Provided by Base R Methods Related to Model Fitting
GeoJSON to Simple Feature Converter
Convert Between R Objects and Geometric Structures

gert
(2)
Simple Git Client for R
Masked User Input
Offline 'Google' Fonts for 'Markdown' and 'Shiny'
Extension to 'ggplot2'
Set Axis Break for 'ggplot2'
Visualization of a Correlation Matrix using 'ggplot2'
Visualizations of Distributions and Uncertainty
Create Tidy Data Frames of Marginal Effects for 'ggplot' from Model Outputs
Add Marginal Histograms to 'ggplot2', and More 'ggplot2' Enhancements
Accelerating 'ggplot2'
Formula Interface to the Grammar of Graphics
Data Visualization Tools for Statistical Analysis Results

ggfun
(2)
Miscellaneous Functions for 'ggplot2'
Hacks for 'ggplot2'
Compose Half-Half Plots Using Your Favourite Geoms
Highlight Lines and Points in 'ggplot2'
Make 'ggplot2' Graphics Interactive
Mosaic Plots in the 'ggplot2' Framework
Multiple Fill and Colour Scales in 'ggplot2'

ggpattern
(2)
'ggplot2' Pattern Geoms
Create Elegant Data Visualisations Using the Grammar of Graphics
Convert Plot to 'grob' or 'ggplot' Object

ggpmisc
(2)
Miscellaneous Extensions to 'ggplot2'

ggpp
(2)
Grammar Extensions to 'ggplot2'
'ggplot2' Based Publication Ready Plots
Automatically Position Non-Overlapping Text Labels with 'ggplot2'
Ridgeline Plots in 'ggplot2'
Scientific Journal and Sci-Fi Themed Color Palettes for 'ggplot2'
Significance Brackets for 'ggplot2'
Horizontal 'ggplot2' Components
Extension to 'ggplot2' for Plotting Stats
Flexible Time-to-Event Figures
Improved Text Rendering Support for 'ggplot2'
Extra Themes, Scales and Geoms for 'ggplot2'
'GitHub' 'API'
Manage QC via GitHub Issues using Shiny Apps
Create QC Checklists in Github Issues
Highest Quality GIF Encoder
Query 'git' Credentials from 'R'
Estimation and Use of the Generalised (Tukey) Lambda Distribution

glmmTMB
(2)
Generalized Linear Mixed Models using Template Model Builder
Lasso and Elastic-Net Regularized Generalized Linear Models
Generalized Linear Models Extended
Identify Global Objects in R Expressions
Interpreted String Literals
Functions for Community Data and Ordinations
Classical Goodness-of-Fit Tests for Univariate Distributions
A Framework for Robust Shiny Applications
An Interface to Google Drive
Access Google Sheets using the Sheets API V4
Gower's Distance
Gradient Projection Factor Rotation
Gaussian Processes Modeling
Various R Programming Tools for Plotting Data
Miscellaneous Functions for "Grid" Graphics
Redraw Base Graphics Using 'grid' Graphics
'grid' Pattern Grobs
Improved Text Rendering Support for 'Grid' Graphics
Easily Create Presentation-Ready Display Tables
Arrange 'Grobs' in Tables

gtools
(2)
Various R Programming Tools
Presentation-Ready Data Summary and Analytic Result Tables

gutenbergr
(2)
Download and Process Public Domain Works from Project Gutenberg

hardhat
(2)
Construct Modeling Packages
Full Featured Implementation of Hash Tables/Associative Arrays/Dictionaries
Import and Export 'SPSS', 'Stata' and 'SAS' Files
A Simpler Way to Find Your Files

highr
(2)
Syntax Highlighting for R Source Code
Diagnostic Tools for Hierarchical (Multilevel) Linear Models
Harrell Miscellaneous
Pretty Time of Day

htmlTable
(2)
Advanced Tables for Markdown/HTML

htmltools
(2)
Tools for HTML

htmlwidgets
(2)
HTML Widgets for R
'HTTP' Status Code Helper
A Test Environment for HTTP Requests
Test Helpers for 'httr2'
HTTP and WebSocket Server Library

httr
(2)
Tools for Working with URLs and HTTP

httr2
(5)
Perform HTTP Requests and Process the Responses

hunspell
(2)
High-Performance Stemmer, Tokenizer, and Spell Checker

huxtable
(2)
Easily Create and Style Tables for LaTeX, HTML and Other Formats
Agnostic, Idiomatic Data Filter Module for Shiny
Generate Random Identifiers
Network Analysis and Visualization
A Collection of Network Data Sets for the 'igraph' Package
Tidy Statistical Inference
Read and Write '.ini' Files
Functions to Inline C, C++, Fortran Function Calls from R
Easy Access to Model Information for Various Model Objects

interp
(2)
Interpolation Methods
Improved Predictors
'Jupyter' Display Machinery
Native R Kernel for the 'Jupyter Notebook'
Generate Isolines and Isobands from Regularly Spaced Elevation Grids
Provides Iterator Construct
Simple Tools for Examining and Cleaning Dirty Data
Template Engine Inspired by 'Jinja'
Multilevel Joint Modelling Multiple Imputation
JavaScript Object Signing and Encryption

jpeg
(2)
Read and write JPEG images
Obtain 'jQuery' as an HTML Dependency Object
Convert Between 'R' Objects and Javascript Object Notation (JSON)

jsonlite
(4)
A Simple and Robust JSON Parser and Generator for R

jsonvalidate
(2)
Validate 'JSON' Schema
A Wrapper of the JavaScript Library 'jsTree'
Inline CSS Properties into HTML Tags Using 'juice'
Construct Complex Table with 'kable' and Pipe Syntax
Rendering Math to HTML, 'MathML', or R-Documentation Format

KernSmooth
(2)
Functions for Kernel Smoothing Supporting Wand & Jones (1995)
Access the System Credential Store from R
Pedigree Functions
Confidence Intervals for the Kaplan-Meier Estimator
Datasets from Klein and Moeschberger (1997), Survival Analysis
A General-Purpose Package for Dynamic Report Generation in R
Project Management Tools

labeling
(2)
Axis Labeling
Manipulating Labelled Data
Calculate Time and Amount of Last Dose

later
(2)
Utilities for Scheduling Functions to Execute Later with Event Loops
Use LaTeX Expressions in Plots

lattice
(3)
Trellis Graphics for R
Extra Graphical Utilities Based on Lattice
Latent Variable Models
Lazy (Non-Standard) Evaluation
Limited Memory BFGS Minimizer with Bounds on Parameters with optim() 'C' Interface
Interactive Tutorials for R

lemon
(2)
Freshing Up your 'ggplot2' Plots
Latin Hypercube Samples
Linear Test Statistics for Permutation Inference
Linear Predictive Models Based on the LIBLINEAR C/C++ Library

lifecycle
(2)
Manage the Life Cycle of your Package Functions

lintr
(2)
A 'Linter' for R Code
Environments Behaving (Almost) as Lists

litedown
(2)
A Lightweight Version of R Markdown
Linear Mixed-Effects Models using 'Eigen' and S4
Bootstrap Methods for Nested Linear Mixed-Effects Models
Model II Regression
L-Moments
Testing Linear Regression Models
Visualize R Data Structures with Trees
Detection and Localization of Executable Files
A Fast and Lightweight Logging System for R, Based on 'log4j'
A Lightweight, Modern and Flexible Logging Utility
Firth's Bias-Reduced Logistic Regression
Functions for the Logitnormal Distribution

logr
(2)
Creates Log Files
A Logging Utility Focus on Clinical Trial Programming Workflows
Efficient Leave-One-Out Cross-Validation and WAIC for Bayesian Models
A Simple Way to Specify Symmetric, Block Diagonal Matrices
Interface to 'Lp_solve' v. 5.5 to Solve Linear/Integer Programs
Make Dealing with Dates a Little Easier
Advanced Graphics and Image-Processing in R
A Forward-Pipe Operator for R
Exploring and Testing the Toolchain and System Libraries
Draw Geographical Maps
Render Markdown with 'commonmark'
Support Functions and Datasets for Venables and Ripley's MASS
Sparse and Dense Matrix Classes and Methods

MatrixModels
(2)
Modelling with Sparse and Dense Matrices
Functions that Apply to Rows and Columns of Matrices (and to Vectors)
Maximally Selected Rank Statistics
MCMC Generalised Linear Mixed Models
Method Comparison Regression
'Memoisation' of Functions
Miscellaneous Esoteric Statistical Scripts

metacore
(3)
A Centralized Metadata Object Focus on Clinical Trial Data Programming Workflows

metatools
(2)
Enable the Use of 'metacore' to Help Create and Check Dataset
Analysis of Agreement in Method Comparison Studies

mgcv
(2)
Mixed GAM Computation Vehicle with Automatic Smoothness Estimation
Multivariate Imputation by Chained Equations
Accurate Timing Functions

mime
(2)
Map Filenames to MIME Types
Shiny UI Widgets for Small Screens
R Interface to the Levenberg-Marquardt Nonlinear Least-Squares Algorithm Found in MINPACK, Plus Support for Bounds
Derivative-Free Optimization Algorithms by Quadratic Approximation
Minimalist Async Evaluation Framework for R
Miscellaneous Tools and Utilities
Tools for Multiple Imputation in Multilevel Modeling

mmrm
(2)
Mixed Models for Repeated Measures
The Multivariate Normal and t Distributions, and Their Truncated Versions
Mocking Library for R
Data Sets Useful for Modeling Examples
Provide Tools to Register Models for Use in 'tidymodels'
Modelling Functions that Work with the Pipe
Tools and Classes for Statistical Models
Converts 'Monolix' Models to 'rxode2'
Common Utilities for Other MOSAIC-Family Packages
Save and Arrange Annotated Plots
MRG Helpers
Simulate from ODE-Based Models

multcomp
(2)
Simultaneous Inference in General Parametric Models
Visualizations of Paired Comparisons
Multi-Model Inference

munsell
(2)
Utilities for Using Munsell Colours

mvtnorm
(2)
Multivariate Normal and t Distributions
Port of the 'Scilab' 'n1qn1' Module for Unconstrained BFGS Optimization
Data Structures, Summaries, and Visualisations for Missing Data

nanoarrow
(3)
Interface to the 'nanoarrow' 'C' Library
NNG (Nanomsg Next Gen) Lightweight Messaging Library

nanoparquet
(3)
Read and Write 'Parquet' Files
Noncompartmental Analysis for Pharmacokinetic Report
Colors for NEST Graphs
Data from the US National Health and Nutrition Examination Study
NHANES Data Retrieval
Linear and Nonlinear Mixed Effects Models
Datasets and Utility Functions Enhancing Functionality of 'nlme' Package

nlmixr2
(3)
Nonlinear Mixed Effects Models in Population PK/PD
Nonlinear Mixed Effects Models in Population PK/PD, Data
Nonlinear Mixed Effects Models in Population PK/PD, Estimation Routines
Nonlinear Mixed Effects Models in Population PK/PD, Extra Support Functions
Nonlinear Mixed Effects Models in Population PK/PD, Plot Functions
R Interface to NLopt
Read, Parse, and Modify NONMEM Control Records

nnet
(2)
Feed-Forward Neural Networks and Multinomial Log-Linear Models
Noncompartmental Analysis for Pharmacokinetic Data
Loading NONMEM Output Files with Functions for Visual Predictive Checks (VPC) and Goodness of Fit (GOF) Plots
Converts 'NONMEM' Models to 'rxode2'
Analysis of Multivariate Normal Datasets with Missing Values
Tests for Normality
Nonparametric Kernel Smoothing Methods for Mixed Data Types
Accurate Numerical Derivatives

odbc
(3)
Connect to ODBC Compatible Databases (using the DBI Interface)
Odds Ratio Calculation for GAM(M)s & GLM(M)s
Enhanced 'R Markdown' Format for 'Word' and 'PowerPoint'
Manipulation of Microsoft Word and PowerPoint Documents
R Wrapper for OpenAI API
Toolkit for Encryption, Signatures and Certificates Based on OpenSSL
Read, Write and Edit xlsx Files
Utilities for Working with R's Operators
Tools to Support Optimization Possibly with Bounds and Masks
Regression Models for Ordinal Data
A Dependency Management System for Projects and their R Package Dependencies
Package Management Tool
Another Approach to Package Installation
Palmer Archipelago (Antarctica) Penguin Data
Multiple Imputation for Multivariate Panel or Clustered Data

pander
(2)
An R 'Pandoc' Writer
Enhancing the 'parallel' Package
Recognize and Parse Dates in Various Formats, Including All ISO 8601 Formats

parsnip
(4)
A Common API to Modeling and Analysis Functions
The Composer of Plots
Amazon Web Services Software Development Kit
'Amazon Web Services' Analytics Services
'Amazon Web Services' Application Integration Services
Paws Low-Level Amazon Web Services API
'Amazon Web Services' Compute Services
'Amazon Web Services' Cost Management Services
'Amazon Web Services' Customer Engagement Services
'Amazon Web Services' Database Services
'Amazon Web Services' Developer Tools Services
'Amazon Web Services' End User Computing Services
'Amazon Web Services' Machine Learning Services
'Amazon Web Services' Management & Governance Services
'Amazon Web Services' Networking & Content Delivery Services
'Amazon Web Services' Security, Identity, & Compliance Services
'Amazon Web Services' Storage Services

pbdZMQ
(2)
Programming with Big Data -- Interface to 'ZeroMQ'
Parametric Bootstrap, Kenward-Roger and Satterthwaite Based Methods for Test in Mixed Models
Text Extraction, Rendering and Converting of PDF Documents

performance
(2)
Assessment of Regression Models Performance
Econometric Tools for Performance and Risk Analysis

permute
(2)
Functions for Generating Restricted Permutations of Data
Enhanced RTF Wrapper for Use with Existing Table Packages
ADaM Test Data for the 'Pharmaverse' Family of Packages

pharmaversesdtm
(2)
SDTM Test Data for the 'Pharmaverse' Family of Packages
Pretty Heatmaps

pillar
(4)
Coloured Formatting for Columns
Check if a Remote Computer is Up
Pin, Discover, and Share Resources
Find Tools Needed to Build R Packages
Cache 'CRAN'-Like Metadata and R Packages
Private Configuration for 'R' Packages
Package Dependency Resolution and Downloads
Make Static HTML Documentation for a Package
Compact Package Representations
Simulate Package Installation and Attach
Publish Packages
Public Key Infrastucture for R Based on the X.509 Standard
Perform Pharmacokinetic Non-Compartmental Analysis
The 'plog' C++ Logging Library

plotly
(2)
Create Interactive Web Graphics via 'plotly.js'
Various Plotting Functions
An API Generator for R

plyr
(2)
Tools for Splitting, Applying and Combining Data
Create forest plots
R package for parameter tables
Plots for Pharmacometrics
Tables for Pharmacometrics
Helper Functions for Pharmacometrics
Pharmacometric and Pharmacokinetic Toolkit
Read and write PNG images
Data Validation and Organization of Metadata for Local and Remote Tables
Polynomial Spline Routines

polyclip
(2)
Polygon Clipping
A Collection of Functions to Implement a Class for Univariate Polynomial Manipulations
Object Pooling

posterior
(2)
Tools for Working with Posterior Distributions
Power and Sample Size for (Bio)Equivalence Studies
Practical Numerical Math Functions
Praise Users
Accurate Floating Point Sums and Products
Pretty Print R Code in the Terminal

prettyunits
(2)
Pretty, Human Readable Formatting of Quantities
Execute and Control System Processes
Product-Limit Estimation for Censored Event History Analysis
Product Plots for R
Simple Memory Profiling for R
Probabilistic Forecast Combination Using CRPS Learning
Interactive Visualizations for Profiling R Code
Terminal Progress Bars
An Inclusive, Unifying API for Progress Updates
Abstractions for Promise-Based Asynchronous Programming
Distance and Similarity Measures
Tools for Computing on the Language

ps
(4)
List, Query, Manipulate System Processes
R package for pharmacometric utilities
Procedures for Psychological, Psychometric, and Personality Research
Functional Programming Tools
Statistical Power and Sample Size Calculation Tools
Read and Write 'GraphPad Prism' Files
Split, Combine and Compress PDF Files

qs
(2)
Quick Serialization of R Objects
Efficient Serialization of R Objects
Quantitative Text Kit
Utilities for Quantiles
Functions to Solve Quadratic Programming Problems
Dimension Reduction Techniques for Conditional Quantiles

quantreg
(3)
Quantile Regression
R Interface to 'Quarto' Markdown Publishing System
Interface for the 'QuickJS-NG' Lightweight 'JavaScript' Engine
Fast and Light-Weight Caching (Memoization) of Objects and Results to Speed Up Computations
S3 Methods Simplified
R Object-Oriented Programming with or without References
Dynamic Generation of Scientific Reports

R.utils
(2)
Various Programming Utilities

R6
(2)
Encapsulated Classes with Reference Semantics
Graphic Devices Based on AGG
'Rapidjson' C++ Header Files
Generates 'RapiDoc' Documentation from an 'OpenAPI' Specification
R API Serialization
Application Directories: Determine Where to Save Data, Caches, and Logs

rapportools
(2)
Miscellaneous (Stats) Helper Functions with Sane Defaults for Reporting
Read 'Bibtex' Files and Convert Between Bibliography Formats
Run 'R CMD check' from 'R' and Capture Results
ColorBrewer Palettes

rcompanion
(2)
Functions to Support Extension Education Program Evaluation

Rcpp
(3)
Seamless R and C++ Integration
'Rcpp' Integration for the 'Armadillo' Templated Linear Algebra Library

RcppEigen
(2)
'Rcpp' Integration for the 'Eigen' Templated Linear Algebra Library
Parallel Programming Tools for 'Rcpp'
An Interruptible Progress Bar with OpenMP Support for C++ in R Packages
Efficient Rolling / Windowed Operations
'Rcpp' Tic-Toc Timer with 'OpenMP' Support
'Rcpp' Bindings to Parser for "Tom's Obvious Markup Language"
Interface the 'xts' API via 'Rcpp'

RCurl
(2)
General Network (HTTP/FTP/...) Client Interface for R

Rdpack
(3)
Update and Manipulate Rd Documentation Objects
Interactive Data Tables for R
React Helpers
Read Markdown Tables into Tibbles
Read Rectangular Text Data
Read Excel Files
Preprocessing and Feature Engineering Steps for Modeling
Generates 'Redoc' Documentation from an 'OpenAPI' Specification
Machinery for Processing Random Effect Formulas
Match Regular Expressions with a Nicer 'API'
Tidy Output from Regular Expression Matching

remotes
(2)
R Package Installation from Remote Repositories, Including 'GitHub'
Project Environments
Serializable Representations
Prepare Reproducible Example Code via the Clipboard
Flexibly Reshape Data
Flexibly Reshape Data: A Reboot of the Reshape Package
Interface to 'Python'
Friendly Regular Expressions
3D Visualization Using OpenGL
Interface to the 'Handsontable.js' Library

rhino
(2)
A Framework for Enterprise Shiny Applications
A Swiss-Army Knife for Data I/O
Risk Metrics to Evaluating R Packages

rjags
(2)
Bayesian Graphical Models using MCMC
Low-Level R to Java Interface
JSON for R
Functions for Base Types and Core R and 'Tidyverse' Features
Clinical Trial Style Data Readout Listings
Dynamic Documents for R
Ryan Miscellaneous

rms
(3)
Regression Modeling Strategies
Fast Algorithms for Robust Slopes
Regression Estimation and Presentation
Nonlinear Root Finding, Equilibrium and Steady-State Analysis of Ordinary Differential Equations
In-Line Documentation for R

rpart
(2)
Recursive Partitioning and Regression Trees

RPostgres
(2)
C++ Interface to PostgreSQL

rprojroot
(2)
Finding Files in Project Subdirectories

rsample
(2)
General Resampling Infrastructure
Deploy Docs, Apps, and APIs to 'Posit Connect', 'shinyapps.io', and 'RPubs'
Generic implementation of the 'RStudio' connections contract

rstan
(2)
R Interface to Stan

rstanemax
(3)
Emax Model Analysis with 'Stan'
Tools for Developing R Packages Interfacing with 'Stan'
Pipe-Friendly Framework for Basic Statistical Tests

rstudioapi
(2)
Safely Access the RStudio API
Render SVG Images into PDF, PNG, (Encapsulated) PostScript, or Bitmap Arrays

rtables
(3)
Reporting Tables
Exporting Tools for 'rtables'
Rich Text Format (RTF) Output
R Unit Test Framework
Query 'R' Versions, Including 'r-release' and 'r-oldrel'
Easily Harvest (Scrape) Web Pages
R Graphics Devices for 'Office' Vector Graphics Output
Variable Metric Nonlinear Function Minimization
Facilities for Simulating from ODE-Based Models
Log-Likelihood Functions for 'rxode2'
Spherical Geometry Operators Using the S2 Geometry Library
An Object Oriented System Meant to Become a Successor to S3 and S4
Robust Covariance Matrix Estimators

sass
(2)
Syntactically Awesome Style Sheets ('Sass')
Scale Functions for Visualization
Scientific Calculations for Quantitative Clinical Pharmacology and Pharmacometrics Analysis

sda
(2)
Shrinkage Discriminant Analysis and CAT Score Variable Selection
SDTM Data Transformation Engine
Data Quality Checks for Study Data Tabulation Model (SDTM) Datasets
Translate CSS Selectors to XPath Expressions
A Simple HTTP Server to Serve Static Files or Dynamic Documents
R Session Information
Simple Features for R
Space-Filling Design Library
Converts Between R Objects and Simple Feature Objects
Functions for Plotting Graphical Shapes, Colors
Web Application Framework for R

shinyAce
(2)
Ace Editor Bindings for Shiny
Busy Indicators and Notifications for 'Shiny' Applications
Add Loading Animations to a 'shiny' Output While It's Recalculating
Display User Feedback in Shiny Apps
A Server-Side File System Viewer for Shiny
Easily Improve the User Experience of Your Shiny Apps in Seconds
Run 'shiny' Applications in the Browser
Test Shiny Apps

shinytest2
(2)
Testing for Shiny Applications
Themes for Shiny
A Time Input Widget for Shiny
jsTree Bindings for Shiny
Input Validation for Shiny Apps

shinyWidgets
(2)
Custom Inputs Widgets for Shiny
Show an Image on an 'R' Graphics Device
Create Parameters for Simulation with Uncertainty
Parallel Pseudo Random Number Generator (PPRNG) 'sitmo' Header Files
Labelled Data Utility Functions
Data and Variable Transformation Functions
Compact and Flexible Summaries of Data
Sliding Window Functions
slurm tooling
Convert Strings into any Case
Snowball Stemmers Based on the C 'libstemmer' UTF-8 Library
Authentication Helpers for 'Snowflake'
A Modern and Easy-to-Use Crypto Library
Drag-and-Drop in 'shiny' Apps with 'SortableJS'
Tools for Reading, Tokenizing and Parsing R Code
SPArse Matrix
'jQuery' Sparkline 'htmlwidget'
Sparse Linear Algebra
Sparse Vectors for Use in Data Frames
Tools for Spell Checking in R
Regression Spline Functions and Classes
Supplemental S-PLUS Functionality in R
Squared Extrapolation Methods for Accelerating EM-Like Monotone Algorithms
Shrinkage t Statistic and Correlation-Adjusted t-Score
C++ Header Files for Stan
Statistical Modeling

StepReg
(2)
Stepwise Regression Analysis
Inline Asynchronous Generator Results into Documents
Extra String Manipulation Functions

stringfish
(2)
Alt String Implementation

stringi
(2)
Fast and Portable Character String Processing Facilities
Simple, Consistent Wrappers for Common String Operations
Non-Invasive Pretty Printing of R Code
Tools to Quickly and Neatly Summarize Data
Survival Analysis
Drawing Survival Curves using 'ggplot2'
Miscellaneous Functions for Survival Data
An 'SVG' Graphics Device
R 'Htmlwidget' to Add Pan and Zoom to Almost any R Graphic
Dynamically Generates Documentation from a 'Swagger' Compliant API
Tools for Creating Swimmers Plots using 'ggplot2'

symengine
(2)
Interface to the 'SymEngine' Library
Measure Memory and CPU Usage for Parallel R Code

sys
(2)
Powerful and Reliable Tools for Running System Commands in R
System Native Font Finding
Extract Tables from PDF Documents
Demonstrations for Teaching and Learning

teal
(2)
Exploratory Web Apps for Analyzing Clinical Trials Data

teal.code
(3)
Code Storage and Execution Class for 'teal' Applications

teal.data
(2)
Data Model for 'teal' Applications

teal.logger
(3)
Logging Setup for the 'teal' Family of Packages
'teal' Modules for Standard Clinical Outputs
General Modules for 'teal' Applications
Reporting Tools for 'shiny' Modules

teal.slice
(2)
Filter Module for 'teal' Applications

teal.transform
(2)
Functions for Extracting and Merging Data in the 'teal' Framework

teal.widgets
(2)
'shiny' Widgets for 'teal' Applications
Advanced Tensor Arithmetic with Named Indices
Create Common TLGs Used in Clinical Trials
Tables and Graphs for Generalized Estimating Equations (GEE) Model Fits

tern.mmrm
(2)
Tables and Graphs for Mixed Models for Repeated Measures (MMRM)
Unit Testing for R
Compile and Preview Snippets of 'LaTeX'
Bindings to the 'HarfBuzz' and 'Fribidi' Libraries for Text Shaping
Applies Display Metadata to Analysis Results Datasets
'shiny' App Companion to the 'tfrmt' Package
TH's Data Archive

this.path
(2)
Get Executing Script's Path
Simple Data Frames
Functions for Timing R Scripts, as Well as Implementations of "Stack" and "StackList" Structures
Quick Table Generation & Exploratory Analyses on ADaM-Ish Datasets
Tidy Integration of Large Language Models

tidymodels
(2)
Easily Install and Load the 'Tidymodels' Packages
Tidy Messy Data
Select from a Set of Strings
Create TLGs using the 'tidyverse'
Easily Install and Load the 'Tidyverse'
VPC Percentiles and Prediction Intervals
Efficient Manipulation of Date-Times
Rmetrics - Chronological and Calendar Objects
Create Interactive Timeline Visualizations in R
Helper Functions to Install and Maintain TeX Live, and Compile LaTeX Documents
Add Tooltips to 'R markdown' Documents or 'Shiny' Apps

TMB
(2)
Template Model Builder: A General Random Effect Tool Inspired by 'ADMB'
Fast, Consistent Tokenization of Natural Language Text
Parse, Read, and Edit 'TOML'
A Traceability Focused Grammar of Clinical Data Summary
Audit and Research Functions for Transplantation
Bindings to 'Tree-Sitter'
'R' Grammar for 'Tree-Sitter'
'Radix' Trees in 'Rcpp'
Truncated Normal Distribution
Technical Trading Rules

tune
(2)
Tidy Tuning Tools

tweenr
(2)
Interpolate Data for Smooth Animations

tzdb
(3)
Time Zone Database Information
General-Purpose Unconstrained Non-Linear Optimization
Extract Matched Substrings Using a Pattern

units
(3)
Measurement Units for R Vectors
A More Scalable Alternative to Venn and Euler Diagrams for Visualizing Intersecting Sets
Run CRAN URL Checks from Older R Versions

urltools
(2)
Vectorised Tools for URL Handling and Parsing
Automate Package and Project Setup
Unicode Text Processing
Tools for Generating and Handling of UUIDs
Embedded JavaScript and WebAssembly Engine for R
Variability Attribution Plots for Nonlinear Mixed Effect Models
Visualizing Categorical Data
Vector Helpers
Visual Regression Testing and Graphical Diffing
Community Ecology Package
'Htmlwidget' for 'Vega' and 'Vega-Lite'
Colorblind-Friendly Color Maps for R
Colorblind-Friendly Color Maps (Lite Version)
Preliminary Visualisation of Data
Network Visualization using 'vis.js' Library
Pretty Timelines in R
Create Visual Predictive Checks
Read and Write Rectangular Text Data Quickly
Loading Screen for 'Shiny'

waldo
(2)
Find Differences Between R Objects
Group Dates

watcher
(3)
Watch the File System for Changes
'WebDriver' Client for 'PhantomJS'
Create Interactive Web Exercises in 'R Markdown' (Formerly 'webex')
Fake Web Apps for HTTP Testing
Stubbing and Setting Expectations on 'HTTP' Requests
A New Format for Lossless and Lossy Image Compression

webshot
(2)
Take Screenshots of Web Pages
Take Screenshots of Web Pages
'WebSocket' Client Library
Utility Functions for Developing Web Applications
Reliably Return the Source and Call Location of a Command
Log Execution of Scripts
{{mustache}} for R, Logicless Templating
Username, Full Name, Email Address, 'GitHub' Username of the Current User
Run Code 'With' Temporarily Modified Global State
Lightweight Well-Known Geometry Parsing

workflows
(2)
Modeling Workflows

workflowsets
(2)
Create a Collection of 'tidymodels' Workflows
Export Data Frames to Excel 'xlsx' Format
Supporting Functions for Packages Maintained by 'Yihui Xie'
Exploratory Graphics for Pharmacometrics
Excel Connector for R
Parse XML
Parse Data of 'R' Code as an 'XML' Tree
Open System Files, 'URLs', Anything

xportr
(2)
Utilities to Output CDISC SDTM/ADaM XPT Files
Diagnostics for Pharmacometric Models
Diagnostics for Nonlinear Mixed-Effect Models
Export Tables to LaTeX or HTML

xts
(2)
eXtensible Time Series
Methods to Convert R Data to YAML and Back
Tidy Characterizations of Model Performance
Data Specification for Pharmacometrics

yulab.utils
(2)
Supporting Functions for Packages Maintained by 'YuLab-SMU'

yyjsonr
(2)
Fast 'JSON', 'NDJSON' and 'GeoJSON' Parser and Generator
Structured Messages and Options
Cross-Platform 'zip' Compression

zoo
(4)
S3 Infrastructure for Regular and Irregular Time Series (Z's Ordered Observations)