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Mplus Users Guide v6.. - Muthén & Muthén

Mplus Users Guide v6.. - Muthén & Muthén

Mplus Users Guide v6.. - Muthén & Muthén

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CHAPTER 17possible thresholds, three parameters are estimated. Only one set ofparentheses can be included on each line of the input file.USING THE LIST FUNCTION FOR ASSIGNINGSTARTING VALUES, FIXING VALUES,CONSTRAINING VALUES TO BE EQUAL, ANDASSIGNING LABELS TO PARAMETERSThe list function is convenient for assigning starting values toparameters, fixing parameters values, constraining parameter values tobe equal, and assigning labels to parameters.ASSIGNING STARTING VALUES TO PARAMETERSFollowing is an example of how to use the list function to assign startingvalues to parameters:f1 BY y1 y2-y4*0;f2 BY y5 y6-y9*.5;f3 BY y10 y11-y12*.75;The program interprets these BY statements as:f1 BY y1 y2*0 y3*0 y4*0;f2 BY y5 y6*.5 y7*.5 y8*.5 y9*.5;f3 BY y10 y11*.75 y12*.75;where the starting value of 0 is assigned to the factor loadings for y2, y3,and y4; the starting value of .5 is assigned to the factor loadings for y6,y7, y8, and y9; and the starting value of .75 is assigned to the factorloadings for y11 and y12. The factor loading for the first factorindicator of each factor is fixed at one as the default to set the metric ofthe factor.FIXING PARAMETER VALUESFollowing is an example of using the list function to fix parametervalues:f1-f3@1;592

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