IRF: The IRF for the two parameter logistic model.
In peterhalpin/scirt: Psychometric models of small group collaborations
Description
Usage
Arguments
Value
View source: R/IRF_functions.R
Description
Computes a matrix of probabilities for correct responses under 2PL model.
Usage
1
IRF(parms, theta)
Arguments
parms
a named list or data.frame with elements parms$alpha and parms$beta corresponding to the discrimination and difficulty parameters of the 2PL model, respectively.
theta
the latent trait.
Value
length(theta) by nrow(parms) matrix of response probabilities.
peterhalpin/scirt documentation built on May 5, 2019, 1:38 p.m.
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Description Usage Arguments Value
View source: R/IRF_functions.R
Description
Computes a matrix of probabilities for correct responses under 2PL model.
Usage
1 | IRF(parms, theta)
|
Arguments
parms |
a named list or data.frame with elements |
theta |
the latent trait. |
Value
length(theta) by nrow(parms) matrix of response probabilities.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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