| weightA1 {lazy.irt} | R Documentation |
Item Category Weight Data Frame # 1. (10 items of all types)
weightA1
A data frame with 7 rows and 6 variables.
character: Item name
character: Item type
num: # of categories: 2 for binary items
num: item weight
num: category weight for the zero-th category
num: category weight for the 1st category
num: category weight for the 2nd category
num: category weight for the 3rd category
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.
Generated by author.