weightS3 {lazy.irtx} | R Documentation |
Small Item Weight Data Frame #7
To be used in conjunction with paramS3
weightS3
A data frame with 20 rows and 8 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 QB1 B 2 1 0 1 NA NA QB2 B2 2 1 0 1 NA NA QB3 B2 2 1 0 1 NA NA QB4 B3 2 1 0 1 2 NA QG1 G 3 1 0 1 2 NA QG2 G 3 1 0 1 2 NA QG3 G 3 1 0 1 2 NA QG4 G 3 1 0 1 2 NA QG5 G 3 1 0 1 2 NA QG6 G 3 1 0 1 2 NA QG7 G 4 1 0 1 2 3 QG8 G 4 1 0 1 2 3 QPN1 PN 3 1 0 1 2 NA QPN2 PN 3 1 0 1 2 NA QPN3 PN 3 1 0 1 2 NA QPN4 PN 3 1 0 1 2 NA QPN5 PN 3 1 0 1 2 NA QPN6 PN 3 1 0 1 2 NA QPN7 PN 4 1 0 1 2 3 QPN8 PN 4 1 0 1 2 3
item type = "B" or "B3" or "G" or "PN"
ncat is the max # of categories
w is the item weight. (all equal)
v's are the category weight
Generated by author.