Hello, New to PSPP (0.7.5 version run on Windows 7 home premium). Want to merge four files and run simple stats comparing portions of the files that have overlapping fields. I have built one file with about 250 variables, all named, with 94 cases each from one of four versions of a survey. Need to merge data from four online copies of the same four surveys. I have cleaned up the online versions so they align with the variables in the PSPP file, have created CSV files, can successfully import those CSV files to PSPP. But when I try to "merge" (add a file to the existing PSPP by "importing" the imported file simply replaces the original data. How can I build the omnibus file that will allow comparisons between identical components of the four versions? Thanks for your patience! Cheers, Gordon.
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