Skip to contents

Fit a latent-space IRT model using LSMjml

Source: R/051-advanced-process-irt-0-7.R
fit_latent_space_irt.Rd

Fit a latent-space IRT model using LSMjml

Usage

fit_latent_space_irt(
  response_matrix,
  dimensions = 2L,
  penalty = NULL,
  constraint = NULL,
  starts = NULL,
  tol = 0.001,
  silent = TRUE
)

Arguments

response_matrix

Person-by-item matrix with lowest score coded zero.

dimensions

Latent-space dimensionality.

penalty

Optional L2 penalty passed to `LSMjml::LSMfit()`.

constraint

Optional norm constraint `C` passed to `LSMfit()`.

starts

Starting-value strategy.

tol

Numerical convergence tolerance.

silent

Whether engine messages are suppressed.