| paramS3 {lazy.irtx} | R Documentation |
Small Item Parameter Data Frame # 3. (20 items)
paramS3
A data frame with 20 rows and 7 variables
character: Item name
character: Item type
num: # of categories: 2 for binary items
num: First item parameter: slope
num: 2nd item parameter
num: 3rd item parameter
num: 4th item parameter
name type ncat p1 p2 p3 p4 QB1 B 2 1 -1 NA NA QB2 B2 2 1 0 NA NA QB3 B2 2 1 1 NA NA QB4 B3 2 .8 1 .2 NA QG1 G 3 1.0 -2 0 NA QG2 G 3 1.0 -1 1 NA QG3 G 3 1.0 0 2 NA QG4 G 3 0.7 -3 1 NA QG5 G 3 0.7 -2 2 NA QG6 G 3 0.7 -1 3 NA QG7 G 4 1.0 -2 0 2 QG8 G 4 0.7 -2 0 2 QPN1 PN 3 0.7344 -2.1150 -1.0310 NA QPN2 PN 3 0.8020 -0.9985 0.0000 NA QPN3 PN 3 0.8237 0.0790 0.9871 NA QPN4 PN 3 0.5998 -3.1934 -1.0192 NA QPN5 PN 3 0.6258 -2.1071 0.0000 NA QPN6 PN 3 0.6319 -1.0512 0.9921 NA QPN7 PN 4 0.6483 -2.3307 -1.0627 0 QPN8 PN 4 0.4231 -1.9974 -1.0154 0
item type = "B" or "B3" or "G" or "PN"
ncat is the max # of categories
Generated by author.