Here is some information potential interns may find useful!
Some information on the data formats:
SPSS
SPSS System Data File Format Family (.sav)
SPSS Statistics Portable File Format (.por), ASCII encoding
Existing conversion tools:
XML to SPSS Converter (xml2sav) - Version 2
convert spss sav file to xlsx template and xlsx template to sps files with spss syntax
Stata
Stata Data Format (.dta), Version 118
Conversion:
How can I convert other packages' files to Stata format data files?
More Resources:
https://cran.r-project.org/web/packages/rio/vignettes/rio.html
Flattening Repeats:
https://forum.getodk.org/t/missing-data-from-repeat-groups-using-odk-briefcase-v1-4-5/4186
https://forum.getodk.org/t/different-parent-uid/7138/6
https://forum.getodk.org/t/survey-repeated-groups-url-link-question-how-get-data-directly/4108/2
https://forum.getodk.org/t/export-publish-submissions-with-multiple-begin-repeats/1802/2
Using question labels as column headers:
Missing value labels and variable labels
https://code.google.com/archive/p/opendatakit/issues/495
Export labels to statistical software