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ISRANGE= category range of an item group |
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By default, Winsteps deduces the range of categories of an item group from the data. ISRANGE= states the range of category numbers explicitly. This is useful with SFUNCTION=
ISRANGE= file name |
file containing details |
ISRANGE = * |
in-line list |
ISRANGE = ? |
opens a Browser window to find the file |
ISRANGE=* (or filename)
(item number in item group, ISGROUP=) (lowest category number) (highest category number)
...
*
Example: For the Olympic Ice-Skating in Exam5.txt, the rating scale range is 0-60 though the observed range is 29-60. All items (raters) share the same rating scale.
ISRANGE=*
2 00 60 ; 2 is an example rater number in the group
*