weightS1 {lazy.irt}R Documentation

Small Item Weight Data Frame # 1
To be used in conjunction with paramS1.

Description

Small Item Weight Data Frame # 1
To be used in conjunction with paramS1.

Usage

weightS1

Format

A data frame with 4 rows and 8 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 ,,
Q2 B3 2 1 0 1 ,,
Q3 G 4 1 0 1 2 3
Q4 P 4 1 0 1 2 3

item type = "B" or "B3" or "G" or "P"
ncat is the max # of categories
w is the item weight. (all equal)
v's are the category weight (all natural)

Source

Generated by author.


[Package lazy.irt version 0.1.3 Index]