I cannot seem to extract a .dta.gz file and import it into R. The zipped file is about 100MB. Whether I unzip it using WinGZip and then import the actual .dta file into R, or try to unzip the whole file in R, I always end up getting an error that says ''not a Stata version 5-12 .dta file''. Does a…

The .dta files created by our extract system are formatted for Stata version 13. It appears the method you are using to import into R requires a .dta file intended for an older version of Stata. You might try the readstata13 package for R. Hope this helps.

IPUMS data are delivered as a compressed file (a Stata file would be *.dta.gz). You will need to decompress or unzip them before using them. I recommend 7zip as a free decompression software for Windows; the Archive Utility on a Mac will take care of this as well. Please let me know if decompressing…

I’m having an issue unzipping a .dat.gz file on my Mac. The error I get is “Error 79 - Inappropriate file type or format”. This is a recent issue, I was able to unzip files from IPUMS a couple of months ago. I appreciate any suggestions.

Sorry for the inconvenience. Archive Utility sometimes struggles with certain gzipped files ; I recommend using either The Unarchiver or using the gunzip command on your Mac Terminal (e.g., gunzip usa_00005.dat.gz). Please contact ipums@umn.edu if neither of these works for you so we can provide more…

Hello, I used the gunzip command, but the file unzipped appears to be a document rather than dataset. And it can’t be opened using Stata. What shall I do? Thank you!

By default, data are delivered as fixed-width text files (.dat extension). This file type can be read into Stata with the accompanying .do file delivered with your data extract (see screenshot below). Alternatively, you can request a data file that is formatted for Stata by clicking on the “Change” …

Thank you very much for the detailed solution Karl, it’s sorted!

cannot extract .dta.gz file

USA

Demetri_Zacharakis February 24, 2021, 12:36am 3

I have Stata 16 and I get the same error, what’s wrong?

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cannot extract .dta.gz file

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