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jan mod posted on Wednesday, February 11, 2015 - 2:48 am
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I calculated an 2P irt model with 100 items. Now I want to calculate a factor score on the basis of this model but only on the basis of 50 items. How can I ask mplus (syntax) to do this. He makes a factor score based on all items. |
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There is no option to do this. |
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Actually, you could do the analysis on all 100 and use the SVALUES option to save the input with the ending values as starting values. Then you could use only the values for the 50 variables you want using the values from the 100 variables. Change * to @ in the input lines and generate factor scores. |
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jan mod posted on Wednesday, February 11, 2015 - 3:09 pm
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Thank you. |
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