Data from Flemish Community Attainment-Targets (FCAT) Study

fcat

Format

A data frame with 4851 rows and 3 columns:

target

A factor with 9 levels: T1(4), T2(6), T3(8), T4(5), T5(9), ..., T9(5)

id

A factor with 539 levels: 1, 2, 3, 4, 5, ..., 539

scorec

An integer vector with values from 0 to 9

Source

Janssen, R., Tuerlinckx, F., Meulders, M., & De Boeck, P. (2000). A hierarchical IRT model for criterion-referenced measurement. Journal of Educational and Behavioral Statistics, 25(3), 285.

Details

An educational study, in which elementary school graduates were evaluated with respect to reading comprehension in Dutch. Pupils from randomly selected schools were assessed for a set of nine attainment targets. The dataset is an example of grouped data, for which the grouping factors are crossed.

Examples

data(fcat, package = "nlmeU")
summary(fcat)
#>      target           id           scorec     
#>  T1(4)  : 539   1      :   9   Min.   :0.000  
#>  T2(6)  : 539   2      :   9   1st Qu.:3.000  
#>  T3(8)  : 539   3      :   9   Median :4.000  
#>  T4(5)  : 539   4      :   9   Mean   :3.903  
#>  T5(9)  : 539   5      :   9   3rd Qu.:5.000  
#>  T6(6)  : 539   6      :   9   Max.   :9.000  
#>  (Other):1617   (Other):4797