paramCal2 {lazy.irt}R Documentation

Small Item Parameter Data Frame for Testing cala and calr #2.

Description

This data frame contains three sets of estimated item parameters of various types of items distributed across three test forms.
The item parameters were estimated independently for each form.

Usage

paramCal2

Format

A data frame with 40 rows and 8 variables.
Basically, the structure is the same as the parameter data frame
except that the first column containing the form name is added.

gfid

character: Form name

name

character: Item name

type

character: Item type

ncat

num: # of categories: 2 for binary items

p1

num: First item parameter: slope

p2

num: 2nd item parameter

p3

num: 3rd item parameter

Details

gfid name type ncat p1 p2 p3 p4
form1 QB1 B2 2 1.0000000 -1.00000000 0.0000000 NA
form1 QB2 B2 2 1.0000000 0.00000000 0.3000000 NA
form1 QB4 B3 2 0.8000000 1.00000000 0.2000000 NA
form1 QG1 G 3 1.0000000 -2.00000000 0.0000000 NA
form1 QG2 G 3 1.0000000 -1.00000000 1.0000000 NA
form1 QG3 G 3 1.0000000 0.00000000 2.0000000 NA
form1 QG4 G 3 0.7000000 -3.00000000 1.0000000 NA
form1 QG5 G 3 0.7000000 -2.00000000 2.0000000 NA
form1 QG6 G 3 0.7000000 -1.00000000 3.0000000 NA
form1 QG8 G 4 0.7000000 -2.00000000 0.0000000 2.000000
form1 QP1 P 3 0.7344000 -2.11500000 0.0530000 NA
form1 QP2 P 3 0.8020000 -0.99850000 0.9985000 NA
form1 QP3 P 3 0.8237000 0.07900000 1.8952000 NA
form1 QP4 P 3 0.5998000 -3.19340000 1.1550000 NA
form1 QP5 P 3 0.6258000 -2.10710000 2.1071000 NA
form1 QP6 P 3 0.6319000 -1.05120000 3.0354000 NA
form1 QP7 P 4 0.6483000 -2.33070000 0.2053000 2.125400
form2 QB1 B2 2 0.9736860 -2.50974572 0.0000000 NA
form2 QB3 B3 2 0.7560111 0.25955944 0.2991986 NA
form2 QG1 G 3 0.7700730 -3.85306557 -1.1357144 NA
form2 QG3 G 3 1.0288158 -1.12433239 1.4054329 NA
form2 QG5 G 3 0.8033210 -3.74832196 1.5112735 NA
form2 QG7 G 4 0.9167175 -3.81423155 -1.1428328 1.613180
form2 QP1 P 3 0.7256544 -4.10048328 -1.2231697 NA
form2 QP3 P 3 0.6181345 -1.06795481 1.0809555 NA
form2 QP5 P 3 0.5632958 -3.93255199 1.3176705 NA
form2 QP7 P 4 0.5277231 -4.28903421 -0.7262809 1.149967
form2 QB2 B2 2 0.9845137 -1.15960242 0.3000000 NA
form2 QG2 G 3 0.9434385 -2.55422669 0.2331392 NA
form3 QB2 B2 2 1.5268054 1.01997505 0.3000000 NA
form3 QB4 B3 2 1.3534871 1.58018603 0.4643032 NA
form3 QG2 G 3 1.5803144 0.16910510 1.5452752 NA
form3 QG4 G 3 1.1897892 -1.44156820 1.6082322 NA
form3 QG6 G 3 0.9773134 0.18749580 3.2815727 NA
form3 QG8 G 4 1.2314105 -0.73990378 1.0218542 2.315625
form3 QP2 P 3 1.1810182 0.04046525 1.5351101 NA
form3 QP4 P 3 0.9534385 -1.49477547 1.6427269 NA
form3 QP6 P 3 1.0670629 0.07743022 3.4615809 NA
form3 QP8 P 4 0.6973531 -0.56943438 0.9358040 2.118880
form3 QB1 B2 2 1.6124478 0.09865741 0.0000000 NA

Source

Generated by author.


[Package lazy.irt version 0.1.3 Index]