weightA1 {lazy.irt}R Documentation

Item Category Weight Data Frame # 1. (10 items of all types)

Description

Item Category Weight Data Frame # 1. (10 items of all types)

Usage

weightA1

Format

A data frame with 7 rows and 6 variables.

name

character: Item name

type

character: Item type

ncat

num: # of categories: 2 for binary items

w

num: item weight

v0

num: category weight for the zero-th category

v1

num: category weight for the 1st category

v2

num: category weight for the 2nd category

v3

num: category weight for the 3rd category

Details

  name type  ncat w  v0 v1 v2 v3
     Q1    B    2 1  0  1 NA NA
     Q2   B3    2 1  0  1 NA NA
     Q3   Bn    2 1  0  1 NA NA
     Q4  Bn3    2 1  0  1 NA NA
     Q5    P    3 1  0  1  2 NA
     Q6    G    3 1  0  1  2 NA
     Q7   Gn    3 1  0  1  2 NA
     Q8    P    4 1  0  1  2  3
     Q9    G    4 1  0  1  2  3
    Q10   Gn    4 1  0  1  2  3
  


item type = all types
ncat is the max # of categories


The type P item was converted to type G and Gn items using fitG2P_ls and fitGn2P_ls functions, resp, so that the icrfs of type G and Gn items are as close as the irf of type P item.

Source

Generated by author.


[Package lazy.irt version 0.1.3 Index]