METACRAN

charlatan — 0.6.2

8 months ago by Roel M. Hogervorst

Make Fake Data

charlesschwabapi — 1.0.5

10 months ago by Nick Bultman

Wrapper Functions Around 'Charles Schwab Individual Trader API'

chartql — 0.1.0

7 years ago by Rohail Syed

Simplified Language for Plots and Charts

chartreview — 1.0

2 years ago by Georg Hahn

Adaptive Multi-Wave Sampling for Efficient Chart Validation

chatAI4R — 1.3.1

8 months ago by Satoshi Kume

Chat-Based Interactive Artificial Intelligence for R

chatgpt — 0.2.3

3 years ago by Juan Cruz Rodriguez

Interface to 'ChatGPT' from R

chatLLM — 0.1.4

7 months ago by Kwadwo Daddy Nyame Owusu Boakye

A Flexible Interface for 'LLM' API Interactions

chatRater — 1.3.1

3 months ago by Shiyang Zheng

A Tool for Rating Text/Image/Audio Stimuli via 'LLMs'

chatterbox — 0.2.1

3 months ago by Troy Hernandez

Text-to-Speech Using the 'Chatterbox' Engine

chattr — 0.3.1

a year ago by Edgar Ruiz

Interact with Large Language Models in 'RStudio'

ChauBoxplot — 1.0.0

a year ago by Tiejun Tong

Chauvenet-Type Boxplot

chcd — 0.1.1

a year ago by Dan Prisk

Access Canadian Historical Climate Data

cheapr — 1.5.2

3 months ago by Nick Christofides

Simple Functions to Save Time and Memory

cheatsheet — 0.1.2

3 years ago by Brad Lindblad

Download R Cheat Sheets Locally

checkarg — 0.1.0

9 years ago by Ivo Van Walle Developer

Check the Basic Validity of a (Function) Argument

checkCLI — 1.0

8 months ago by Luíz Fernando Esser

'CLI' Messages for Checkmate Assertions and Checks

CheckDigit — 1.0.0

4 years ago by Justin Brantley

Calculate and Verify Check Digits

checkdown — 0.0.13

a year ago by George Moroz

Check-Fields and Check-Boxes for 'rmarkdown'

checked — 0.5.4

3 months ago by Szymon Maksymiuk

Systematically Run R CMD Checks

checker — 0.1.5

a month ago by Richard J. Telford

Check 'R' Configuration Set Up Correctly Before Class

checkglobals — 0.1.4

a year ago by Joris Chau

Static Analysis of R-Code Dependencies

checkhelper — 1.0.1

a month ago by Vincent Guyader

Deal with Check Outputs

checkLuhn — 1.1.0

8 years ago by Adam Deacon

Checks if a Number is Valid Using the Luhn Algorithm

checkmate — 2.3.4

7 months ago by Michel Lang

Fast and Versatile Argument Checks

checkstring — 0.2.0

3 months ago by Maximilian Mücke

Common String Format Validation

checkthat — 0.1.0

3 years ago by Ian Cero

Intuitive Unit Testing Tools for Data Manipulation

checktor — 0.1.0

2 months ago by James Joseph Balamuta

Extra CRAN Submission Checks

cheddar — 0.1-640

a month ago by Lawrence Hudson

Analysis and Visualisation of Ecological Communities

cheem — 0.4.2

a year ago by Nicholas Spyrison

Interactively Explore Local Explanations with the Radial Tour

cheese — 0.1.3

a year ago by Alex Zajichek

Tools for Working with Data During Statistical Analysis

cheetahR — 0.4.0

3 months ago by Olajoke Oladipo

High Performance Tables Using 'Cheetah Grid'

chem.databases — 1.0.0

3 years ago by Irucka Embry

Collection of 3 Chemical Databases from Public Sources

chem16S — 1.2.0

2 years ago by Jeffrey Dick

Chemical Metrics for Microbial Communities

chemCal — 0.2.3

4 years ago by Johannes Ranke

Calibration Functions for Analytical Chemistry

chemdeg — 0.1.4

2 years ago by Matteo Migliorini

Analysis of Chemical Degradation Kinetic Data

CHEMIST — 0.1.5

3 years ago by Wei-Hsin Hsu

Causal Inference with High-Dimensional Error-Prone Covariates and Misclassified Treatments

chemodiv — 0.3.1

a year ago by Hampus Petrén

Analysing Chemodiversity of Phytochemical Data

chemometrics — 1.4.4

3 years ago by Peter Filzmoser

Multivariate Statistical Analysis in Chemometrics

ChemoSpec — 6.3.1

a year ago by Bryan A. Hanson

Exploratory Chemometrics for Spectroscopy

ChemoSpec2D — 0.5.1

a year ago by Bryan A. Hanson

Exploratory Chemometrics for 2D Spectroscopy

ChemoSpecUtils — 1.0.5

a year ago by Bryan A. Hanson

Functions Supporting Packages ChemoSpec and ChemoSpec2D

ChernoffDist — 0.1.0

3 years ago by Haitian Xie

Chernoff's Distribution

cherry — 0.6-15

2 years ago by Jelle Goeman

Multiple Testing Methods for Exploratory Research

cherryblossom — 0.1.0

6 years ago by Mine Çetinkaya-Rundel

Cherry Blossom Run Race Results

chess — 1.0.1

6 years ago by C. Lente

Read, Write, Create and Explore Chess Games

chess2plyrs — 0.3.0

a year ago by Luigi Annicchiarico

Chess Game Creation and Tools

chessboard — 0.1

3 years ago by Nicolas Casajus

Create Network Connections Based on Chess Moves

ChessGmooG — 0.1.0

2 years ago by Antony Unwin

FIDE Chess Players Ratings for 2015 and 2020

chessResults — 2026.08.27

18 days ago by Sirf Haru

Scraper for Chess-Results.com

chest — 0.3.7

3 years ago by Zhiqiang Wang

Change-in-Estimate Approach to Assess Confounding Effects

chestR — 0.1.0

3 days ago by Richard Jackson

Kernel-Weighted Cox Regression for Treatment Effect Heterogeneity

ChestVolume — 1.0.1

2 years ago by Wai-Hang Kwong

Estimate the Chest Volume with Markers Data

chevron — 0.2.13

2 months ago by Joe Zhu

Standard TLGs for Clinical Trials Reporting

chi — 0.1

9 years ago by David Kahle

The Chi Distribution

chicane — 0.1.8

5 years ago by Syed Haider

Capture Hi-C Analysis Engine

childdevdata — 1.1.0

5 years ago by Stef van Buuren

Child Development Data

childesr — 0.2.3

5 years ago by Mika Braginsky

Accessing the 'CHILDES' Database

childeswordfreq — 0.2.0

10 months ago by Nahar Albudoor

Word and Phrase Frequency Tools for CHILDES

childfree — 0.0.6

25 days ago by Zachary Neal

Access and Harmonize Childfree Demographic Data

childpen — 0.2.3

3 months ago by Dor Leventer

Identification and Estimation of Child Penalties

childsds — 0.9.11

a year ago by Mandy Vogel

Data and Methods Around Reference Values in Pediatrics

ChileDataAPI — 0.3.0

2 months ago by Renzo Caceres Rossi

Access Chilean Data via APIs and Curated Datasets

chilemapas — 0.4.1

7 days ago by Mauricio Vargas

Mapas De Las Divisiones Politicas y Administrativas De Chile (Maps of the Political and Administrative Divisions of Chile)

ChillModels — 1.0.2

7 years ago by Rafael Henrique Pertille

Processing Chill and Heat Models for Temperate Fruit Trees

chillR — 0.77

9 months ago by Eike Luedeling

Statistical Methods for Phenology Analysis in Temperate Fruit Trees

ChinAPIs — 0.2.0

2 months ago by Renzo Caceres Rossi

Access Chinese Data via Public APIs and Curated Datasets

ChineseNames — 2025.8

a year ago by Han Wu Shuang Bao

Chinese Name Database 1930-2008

chiOpenData — 0.1.1

25 days ago by Christian Martinez

Convenient Access to Chicago Open Data API Endpoints

chipPCR — 1.0-2

6 years ago by Stefan Roediger

Toolkit of Helper Functions to Pre-Process Amplification Data

chirps — 1.1

10 months ago by Kauê de Sousa

API Client for CHIRPS and CHIRTS

chisquare — 1.2

a year ago by Gianmarco Alberti

Chi-Square and G-Square Test of Independence, Power and Residual Analysis, Measures of Categorical Association

chk — 0.11.0

12 days ago by Joe Thorley

Check User-Supplied Function Arguments

chlorpromazineR — 0.2.0

6 years ago by Eric Brown

Convert Antipsychotic Doses to Chlorpromazine Equivalents

CHMM — 0.1.1

9 years ago by Julie Aubert

Coupled Hidden Markov Models

chms — 7.1

7 days ago by Joel Barnes

Accelerometer Processing Methods for Cycle 7 of the CHMS

chmsflow — 0.1.0

3 months ago by Rafidul Islam

Transforming and Harmonizing CHMS Variables

CHNCapitalStock — 0.1.1

3 years ago by Pu Chen

Compute Chinese Capital Stocks

chngpt — 2024.11-15

2 years ago by Youyi Fong

Estimation and Hypothesis Testing for Threshold Regression

CHNOSZ — 2.3.0

15 days ago by Jeffrey Dick

Thermodynamic Calculations and Diagrams for Geochemistry

choicedata — 0.1.0

a year ago by Lennart Oelschläger

Working with Choice Data

choiceDes — 0.9-3

8 years ago by Jack Horne

Design Functions for Choice Studies

ChoiceModelR — 1.3.1

2 years ago by John V Colias

Choice Modeling in R

choicer — 0.2.1

11 days ago by Fernando Cordeiro

Discrete Choice Models for Economic Applications

CHOIRBM — 0.0.3

2 months ago by Eric Cramer

Plots the CHOIR Body Map

cholera — 0.9.1

a year ago by Peter Li

Amend, Augment and Aid Analysis of John Snow's Cholera Map

CholWishart — 1.1.4

2 years ago by Geoffrey Thompson

Cholesky Decomposition of the Wishart Distribution

chomper — 0.1.3

6 months ago by Hyungjoon Kim

A Comprehensive Hit or Miss Probabilistic Entity Resolution Model

chooseGCM — 1.3

8 months ago by Luíz Esser

Selecting General Circulation Models for Species Distribution Modeling

choosepc — 1.0

3 years ago by Michail Tsagris

Choose the Number of Principal Components via Recistruction Error

chopin — 0.9.9-5

5 months ago by Insang Song

Spatial Parallel Computing by Hierarchical Data Partitioning

choplump — 1.1.2

3 years ago by Michael P. Fay

Permutation Test for Some Positive and Many Zero Responses

chopper — 1.0

a year ago by Giancarlo Vercellino

Changepoint-Aware Ensemble for Probabilistic Modeling

chopthin — 0.2.2

9 years ago by Axel Gandy

The Chopthin Resampler

chords — 0.95.4

10 years ago by Jonathan Rosenblatt

Estimation in Respondent Driven Samples

chores — 0.3.1

6 months ago by Simon Couch

A Collection of Large Language Model Assistants

choroplethr — 5.0.2

4 days ago by Zhaochen He

Create Color-Coded Choropleth Maps in R

choroplethrAdmin1 — 1.1.1

10 years ago by Ari Lamstein

Contains an Administrative-Level-1 Map of the World

choroplethrMaps — 1.0.1

10 years ago by Ari Lamstein

Contains Maps Used by the 'choroplethr' Package

chouca — 0.1.991

2 months ago by Alexandre Genin

A Stochastic Cellular Automaton Engine

christmas — 1.4.1

9 months ago by Jose Barrera-Gomez

Generation of Different Animated Christmas Cards

All packages

charlatan — 0.6.2

charlesschwabapi — 1.0.5

chartql — 0.1.0

chartreview — 1.0

chatAI4R — 1.3.1

chatgpt — 0.2.3

chatLLM — 0.1.4

chatRater — 1.3.1

chatterbox — 0.2.1

chattr — 0.3.1

ChauBoxplot — 1.0.0

chcd — 0.1.1

cheapr — 1.5.2

cheatsheet — 0.1.2

checkarg — 0.1.0

checkCLI — 1.0

CheckDigit — 1.0.0

checkdown — 0.0.13

checked — 0.5.4

checker — 0.1.5

checkglobals — 0.1.4

checkhelper — 1.0.1

checkLuhn — 1.1.0

checkmate — 2.3.4

checkstring — 0.2.0

checkthat — 0.1.0

checktor — 0.1.0

cheddar — 0.1-640

cheem — 0.4.2

cheese — 0.1.3

cheetahR — 0.4.0

chem.databases — 1.0.0

chem16S — 1.2.0

chemCal — 0.2.3

chemdeg — 0.1.4

CHEMIST — 0.1.5

chemodiv — 0.3.1

chemometrics — 1.4.4

ChemoSpec — 6.3.1

ChemoSpec2D — 0.5.1

ChemoSpecUtils — 1.0.5

ChernoffDist — 0.1.0

cherry — 0.6-15

cherryblossom — 0.1.0

chess — 1.0.1

chess2plyrs — 0.3.0

chessboard — 0.1

ChessGmooG — 0.1.0

chessResults — 2026.08.27

chest — 0.3.7

chestR — 0.1.0

ChestVolume — 1.0.1

chevron — 0.2.13

chi — 0.1

chicane — 0.1.8

childdevdata — 1.1.0

childesr — 0.2.3

childeswordfreq — 0.2.0

childfree — 0.0.6

childpen — 0.2.3

childsds — 0.9.11

ChileDataAPI — 0.3.0

chilemapas — 0.4.1

ChillModels — 1.0.2

chillR — 0.77

ChinAPIs — 0.2.0

ChineseNames — 2025.8

chiOpenData — 0.1.1

chipPCR — 1.0-2

chirps — 1.1

chisquare — 1.2

chk — 0.11.0

chlorpromazineR — 0.2.0

CHMM — 0.1.1

chms — 7.1

chmsflow — 0.1.0

CHNCapitalStock — 0.1.1

chngpt — 2024.11-15

CHNOSZ — 2.3.0