dicrfN {lazy.irt}R Documentation

Calculation of the Derivative of Item Response Function of Nominal Items

Description

Calculation of the Derivative of Item Response Function of Nominal Items

Usage

dicrfN(param, theta, smallP = 0, print = 0, plot = 0, debug = 0,
  DinP = 1)

Arguments

param

Item Parameter Data Frame

theta

Discrete theta values

smallP

Minimum value of probability

print

= 1 to print result

plot

= 1 to plot result

debug

= 1 to print intemediate result

DinP

= 1 to include D=1.7 in logistic function


[Package lazy.irt version 0.1.3 Index]