Factor analysis based on tetrachoric correlation

qs9536 — Wed, 18 Nov 2020 04:17:12 GMT

Dear all,

I had a survey with dichotomous variables. To analyze how these variables are grouped together, I used an exploratory factor analysis basing on the tetrachoric correlation in SAS. After the PROC CORR procedure for tetrachoric correlation, I got the output as a "TYPE=CORR" data set and then put it into the PROC FACTOR procedure to carry out factor analysis. I would like to get the factor score for each participant so as to deal with the following analysis. However, in the PROC FACTOR procedure OUT= data set cannot be created with a TYPE = CORR input data set. Do you have any suggestions? Thank you in advance!

Re: Factor analysis based on tetrachoric correlation

SteveDenham — Wed, 18 Nov 2020 13:07:56 GMT

You can use an ODS OUTPUT statement to get any of the tables in the results file into SAS datasets. You can then use the loadings data set to calculate the factor score for each participant. (At least I think it is the loadings for each factor that you will need).

SteveDenham

topic Re: Factor analysis based on tetrachoric correlation in Statistical Procedures

Factor analysis based on tetrachoric correlation

Re: Factor analysis based on tetrachoric correlation