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Multidimensional 2PL item information matrix

Source: R/090-irt-multidimensional-cdm-0-9.R
eyeprocess_mirt_information_matrix.Rd

Multidimensional 2PL item information matrix

Usage

eyeprocess_mirt_information_matrix(
  theta,
  discrimination,
  difficulty = 0,
  D = 1
)

Arguments

theta

Latent-trait value or vector of latent-trait values.

discrimination

Discrimination vector or matrix.

difficulty

Item difficulty or location parameter.

D

Logistic scaling constant.