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Omitting elements without editing your data |
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You want to drop elements 8 and 9 of facet 4 without editing the data. Here are two ways:
(a) comment out the item from the Labels= list
Facets=4
Labels=
1, Facet 1
...*
4, Facet 4
1= ...
...
; 8= Element 8 ; commented out
; 9= Element 9
....
*
(b) make a "missing data" model with Models=
Facets=4
Models=
?,?,?,8-9,M ; observations matching items 8 or 9 treated as missing
?,?B,?B,?,R ; put the model statement for your Facets here.
*
Help for Facets Rasch Measurement Software: www.winsteps.com.