Learn R Programming
CDM (version 1.0-0)

CDM-internal: Internal CDM Functions

Description

The three internal functions of the CDM package used for checking the input format and computing intermediate information.

Usage

check.input(data, q.matrix, conv.crit = 0.001, maxit = 100,
    constraint.guess = NULL, constraint.slip = NULL, 
    guess.init = rep(0.20, ncol(data)), slip.init =
    guess.init, weights = rep(1, nrow(data)), rule = "DINA",
    progress = TRUE)
  rowMaxs(mat)
  rowProds(matr)

Arguments

concept

  • check input
  • row maxs
  • row prods

Details

These functions are not intended to be called by the user. They are for checking the input format and computing intermediate information, processed to give the final cognitive diagnosis modeling results.