CRAN/E | ltm

ltm

Latent Trait Models under IRT

Installation

About

Analysis of multivariate dichotomous and polytomous data using latent trait models under the Item Response Theory approach. It includes the Rasch, the Two-Parameter Logistic, the Birnbaum's Three-Parameter, the Graded Response, and the Generalized Partial Credit Models.

Citation ltm citation info
github.com/drizopoulos/ltm

Key Metrics

Version 1.2-0
R ≥ 3.0.0
Published 2022-02-18 796 days ago
Needs compilation? no
License GPL-2
License GPL-3
CRAN checks ltm results

Downloads

Yesterday 252 0%
Last 7 days 1.542 -44%
Last 30 days 8.063 -3%
Last 90 days 24.062 -12%
Last 365 days 100.237 +2%

Maintainer

Maintainer

Dimitris Rizopoulos

d.rizopoulos@erasmusmc.nl

Authors

Dimitris Rizopoulos

Material

NEWS
Reference manual
Package source

In Views

MissingData
Psychometrics

macOS

r-release

arm64

r-oldrel

arm64

r-release

x86_64

r-oldrel

x86_64

Windows

r-devel

x86_64

r-release

x86_64

r-oldrel

x86_64

Old Sources

ltm archive

Depends

R ≥ 3.0.0
MASS
msm
polycor

Reverse Depends

catSurv
GPCMlasso
IMTest
integIRTy
irtoys
kequate
PCMRS
PerFit
subscore
UPCM

Reverse Imports

CTTShiny
difR
hIRT
irtreliability
IRTShiny
missCompare
MultIS
PsyControl
tcl

Reverse Suggests

catIrt
equateIRT
equateMultiple
latdiag
ShinyItemAnalysis