METACRAN

irtoys — 0.2.2

4 years ago by Ivailo Partchev

A Collection of Functions Related to Item Response Theory (IRT)

irtpwr — 1.0.3

3 years ago by Felix Zimmer

Power Analysis for IRT Models Using the Wald, LR, Score, and Gradient Statistics

irtQ — 1.0.0

10 months ago by Hwanggyu Lim

Unidimensional Item Response Theory Modeling

irtrees — 1.0.0

4 years ago by Ivailo Partchev

Estimation of Tree-Based Item Response Models

irtreliability — 0.1-1

8 years ago by Bjorn Andersson

Item Response Theory Reliability

IRTShiny — 1.2

9 years ago by W. Kyle Hamilton

Item Response Theory via Shiny

irtsim — 0.1.2

17 days ago by Stephen Ward

Monte Carlo Simulation-Based Sample-Size Planning for Item Response Theory

isa2 — 0.3.6

3 years ago by Gabor Csardi

The Iterative Signature Algorithm

ISAR — 1.0.5

a month ago by Ryan Elmore

Introduction to Sports Analytics using R (ISAR) Data

isard — 0.1.0

a year ago by Steve Miller

Overflow Data for Quantitative Peace Science Research

isatabr — 1.0.1

4 years ago by Bart-Jan van Rossum

Implementation for the ISA Abstract Model

ISCA — 0.1.0

2 years ago by Lucas Drouhot

Compare Heterogeneous Social Groups

ISCAM — 1.2.0

3 months ago by Beth Chance

Companion to the Book "Investigating Statistical Concepts, Applications, and Methods"

ISCO08ConveRsions — 0.2.0

3 years ago by Nicole Schwitter

Converts ISCO-08 to Job Prestige Scores, ISCO-88 and Job Name

isdals — 3.0.1

3 years ago by Claus Ekstrom

Datasets for Introduction to Statistical Data Analysis for the Life Sciences

isdparser — 0.4.0

6 years ago by Scott Chamberlain

Parse 'NOAA' Integrated Surface Data Files

ISEtools — 3.2.1

4 months ago by Peter Dillingham

Ion Selective Electrodes Analysis Methods

iSFun — 1.1.0

4 years ago by Rui Ren

Integrative Dimension Reduction Analysis for Multi-Source Data

IsingFit — 0.4

3 years ago by Sacha Epskamp

Fitting Ising Models Using the ELasso Method

Isinglandr — 0.1.1

3 years ago by Jingmeng Cui

Landscape Construction and Simulation for Ising Networks

isingLenzMC — 0.3.1

3 months ago by Mehmet Suzen

Monte Carlo for Classical Ising Model

IsingSampler — 0.2.4

a year ago by Sacha Epskamp

Sampling Methods and Distribution Functions for the Ising Model

island — 0.2.10

2 years ago by Vicente Jimenez

Stochastic Island Biogeography Theory Made Easy

islandcodes — 0.1.1

7 days ago by Rendell de Kort

Reference Data and Helpers for Small Island States and Territories

islasso — 1.6.2

6 months ago by Gianluca Sottile

The Induced Smoothed Lasso

ISLR — 1.4

5 years ago by Trevor Hastie

Data for an Introduction to Statistical Learning with Applications in R

ISLR2 — 1.3-2

4 years ago by Trevor Hastie

Introduction to Statistical Learning, Second Edition

ISM — 0.1.0

8 years ago by Gunjan Bansal

Interpretive Structural Modelling (ISM)

ismev — 1.43

9 months ago by Eric Gilleland

An Introduction to Statistical Modeling of Extreme Values

ismtchile — 2.1.5

3 years ago by Martín Rosas Araya

Calculating Socio Material Territorial Index

ISMtools — 0.1.0

2 months ago by Yi Tang

Interpretive Structural Modelling Analysis Tools

isni — 1.3

5 years ago by Hui Xie

Index of Local Sensitivity to Nonignorability

isnullptr — 1.0.2

2 years ago by Jonas Förster

Check if an 'externalptr' is a Null Pointer

Iso — 0.0-21

3 years ago by Rolf Turner

Functions to Perform Isotonic Regression

ISO11784Tools — 1.2.0

a year ago by Graeme Diack

ISO11784 PIT Tag ID Format Converters

ISO6976.2016 — 0.1-0

a month ago by Rüdiger Forster

Calorific Values and Properties of Natural Gas per ISO 6976:2016

iso8601 — 0.1.2

a year ago by Jan van der Laan

Working with ISO8601 Dates and Times

isoband — 0.3.0

5 months ago by Thomas Lin Pedersen

Generate Isolines and Isobands from Regularly Spaced Elevation Grids

isoboost — 1.0.2

4 months ago by David Conde

Isotonic Boosting Classification Rules

isobxr — 2.0.0

3 years ago by Theo Tacail

Stable Isotope Box Modelling in R

isocalcR — 0.1.1

3 years ago by Justin Mathias

Isotope Calculations in R

isocat — 0.3.0

2 years ago by Caitlin Campbell

Isotope Origin Clustering and Assignment Tools

isocir — 2.1

8 months ago by Sandra Barragan

Isotonic Inference for Circular Data

ISOcodes — 2026.03.28

2 months ago by Kurt Hornik

Selected ISO Codes

IsoCor — 0.2.8

2 years ago by Jan Lisec

Analyze Isotope Ratios in a 'Shiny'-App

isocountry — 0.6.0

4 months ago by Maximilian Mücke

ISO 3166-1 Country Codes

isocubes — 1.0.0

8 months ago by Mike Cheng

Voxel Data Visualization with Isometric Cubes

isodistrreg — 0.1.0

5 years ago by Alexander Henzi

Isotonic Distributional Regression (IDR)

isogeochem — 1.1.1

3 years ago by David Bajnai

Tools for Stable Isotope Geochemistry

isokernel — 0.1.0

5 years ago by Ye Zhu

Isolation Kernel

IsoMemo — 23.10.1

3 years ago by Jan Abel

Retrieve Data using the 'IsoMemo' API

isoniche — 0.1.1

12 days ago by Shahar Dubiner

Calculating Density-Independent Niche Breadth Indices from Abundance Data

isoorbi — 1.5.2

8 months ago by Caj Neubauer

Process Orbitrap Isotopocule Data

isopam — 3.6

2 months ago by Sebastian Schmidtlein

Clustering of Sites with Species Data

isopleuros — 1.4.0

a year ago by Nicolas Frerebeau

Ternary Plots

IsoplotR — 6.8

7 months ago by Pieter Vermeesch

Statistical Toolbox for Radiometric Geochronology

IsoplotRgui — 6.8

7 months ago by Pieter Vermeesch

Web Interface to 'IsoplotR'

IsoriX — 0.9.4

4 months ago by Alexandre Courtiol

Isoscape Computation and Inference of Spatial Origins using Mixed Models

IsoSpecR — 2.3.3

5 months ago by Mateusz Krzysztof Łącki

The IsoSpec Algorithm

isoSurv — 0.3.0

3 years ago by Yunro Chung

Isotonic Regression on Survival Analysis

isotone — 1.1-2

a year ago by Patrick Mair

Active Set and Generalized PAVA for Isotone Optimization

isotonic.pen — 1.0

12 years ago by Mary Meyer

Penalized Isotonic Regression in one and two dimensions

isotree — 0.6.1-5

3 months ago by David Cortes

Isolation-Based Outlier Detection

isoWater — 1.2.1

a year ago by Gabe Bowen

Discovery, Retrieval, and Analysis of Water Isotope Data

ISOweek — 0.6-2

15 years ago by Uwe Block

Week of the year and weekday according to ISO 8601

ispd — 0.2

7 years ago by Baidya Nath Mandal

Incomplete Split-Plot Designs

ispdata — 1.1.2

3 years ago by Igor Laltuf

Access Data from the Public Security Institute of the State of Rio De Janeiro

ISPYARDSWinProbabilityGSDesign — 0.1.0

8 months ago by Andrew G Chapple

Trial Design in Respiratory Disease Based on the Win Probability

ISR — 2025.5.16

a year ago by Guangbao Guo

The Iterated Score Regression-Based Estimation

ISRaD — 2.5.5

3 years ago by Jeffrey Beem-Miller

Tools and Data for the International Soil Radiocarbon Database

ISS — 1.0.0

3 years ago by Manuel M. Müller

Isotonic Subgroup Selection

IssueTrackeR — 1.3.1

7 months ago by Tanguy Barthelemy

List Things to Do

istacr — 0.3.0

9 months ago by Elisa Jorge

Obtaining Open Data from Instituto Canario De Estadistica (ISTAC) API

istat — 1.1.2

4 months ago by Elena Gradi

Download and Manipulate Data from Istat

istatR — 0.1.0

4 months ago by Juan Ignacio Fulponi

Interface to the Italian National Institute of Statistics ('ISTAT') API

iSTATS — 1.7

2 years ago by Luiz Henrique Keng Queiroz Junior

A Graphical Interface to Perform STOCSY Analyses on NMR Data

iSTAY — 1.0.0

7 months ago by Anne Chao

Information-Based Stability and Synchrony Measures

iSubGen — 1.0.5

3 months ago by Mao Tian

Integrative Subtype Generation

isva — 1.10

2 months ago by Andrew Teschendorff

Independent Surrogate Variable Analysis

ISwR — 2.0-12

a day ago by Peter Dalgaard

Introductory Statistics with R

italy — 0.1.0

9 years ago by Rebecca Steorts

The Italian Survey on Household and Wealth, 2008 and 2010

itan — 3.1.1

4 years ago by Ariel Armijo

Item Analysis for Multiple Choice Tests

itcSegment — 1.0

3 years ago by Michele Dalponte

Individual Tree Crowns Segmentation

itdr — 2.0.1

2 years ago by Tharindu P. De Alwis

Integral Transformation Methods for SDR in Regression

itemanalysis — 1.1

4 years ago by Cengiz Zopluoglu

Classical Test Theory Item Analysis

ItemRest — 0.2.5

a month ago by Ahmet Çalışkan

Automated Item Removal Strategies for Exploratory Factor Analysis

iTensor — 1.0.5

11 days ago by Koki Tsuyuzaki

ICA-Based Matrix/Tensor Decomposition

IterativeHardThresholding — 1.0.3

10 months ago by Marc A. Suchard

Iterative Hard Thresholding Extensions to Cyclops

iteratoR — 0.1.1

4 years ago by Steve Condylios

Print Loop Iterations at Exponentially Disparate Intervals

iterators — 1.0.14

4 years ago by Folashade Daniel

Provides Iterator Construct

iterLap — 1.1-4

3 years ago by Bjoern Bornkamp

Approximate Probability Densities by Iterated Laplace Approximations

iterors — 1.0.1

3 months ago by Peter Meilstrup

Fast, Compact Iterators and Tools

iterpc — 0.4.2

6 years ago by Randy Lai

Efficient Iterator for Permutations and Combinations

itertools — 0.1-3

12 years ago by Steve Weston

Iterator Tools

itertools2 — 0.1.1

12 years ago by John A. Ramey

itertools2: Functions creating iterators for efficient looping

itmsa — 0.1.0

a year ago by Wenbo Lv

Information-Theoretic Measures for Spatial Association

ITNr — 0.7.0

3 years ago by Matthew Smith

Analysis of the International Trade Network

itol.toolkit — 1.1.12

8 months ago by Tong Zhou

Helper Functions for 'Interactive Tree Of Life'

iTOP — 1.0.2

8 years ago by Nanne Aben

Inferring the Topology of Omics Data

iTOS — 1.0.3

2 years ago by Paul R. Rosenbaum

Methods and Examples from Introduction to the Theory of Observational Studies

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