data.activity.itempars: Item Parameters Cultural Activities
In alexanderrobitzsch/sirt: Supplementary Item Response Theory Models

data.activity.itempars

R Documentation

Item Parameters Cultural Activities

Description

List with item parameters for cultural activities of Austrian students for 9 Austrian countries.

Usage

data(data.activity.itempars)

Format

The format is a list with number of students per group (N), item loadings (lambda) and item intercepts (nu):

List of 3
$ N : 'table' int [1:9(1d)] 2580 5279 15131 14692 5525 11005 7080 ...
..- attr(*, "dimnames")=List of 1
.. ..$ : chr [1:9] "1" "2" "3" "4" ...
$ lambda: num [1:9, 1:5] 0.423 0.485 0.455 0.437 0.502 ...
..- attr(*, "dimnames")=List of 2
.. ..$ : chr [1:9] "country1" "country2" "country3" "country4" ...
.. ..$ : chr [1:5] "act1" "act2" "act3" "act4" ...
$ nu : num [1:9, 1:5] 1.65 1.53 1.7 1.59 1.7 ...
..- attr(*, "dimnames")=List of 2
.. ..$ : chr [1:9] "country1" "country2" "country3" "country4" ...
.. ..$ : chr [1:5] "act1" "act2" "act3" "act4" ...