fit_model: Fit an IRT Model (Internal)
In irtsim: Monte Carlo Simulation-Based Sample-Size Planning for Item Response Theory
fit_model R Documentation
Fit an IRT Model (Internal)
Description
Wraps mirt::mirt() with error and convergence handling.
Usage
fit_model(data, model, se = TRUE)
Arguments
data
Numeric matrix of response data (may contain NAs).
model
Character string: "1PL", "2PL", or "GRM".
se
Logical. Compute standard errors? Default TRUE.
Value
A list with elements model (fitted mirt object or NULL)
and converged (logical).
irtsim documentation built on April 24, 2026, 1:07 a.m.
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| fit_model | R Documentation |
Fit an IRT Model (Internal)
Description
Wraps mirt::mirt() with error and convergence handling.
Usage
fit_model(data, model, se = TRUE)
Arguments
data |
Numeric matrix of response data (may contain NAs). |
model |
Character string: "1PL", "2PL", or "GRM". |
se |
Logical. Compute standard errors? Default |
Value
A list with elements model (fitted mirt object or NULL)
and converged (logical).
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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