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Some folks have run into problems importing files from RMark into MARK. The following was a suggestion from Gary about one of those problems. It may come in handy for others. --jeff

The problem with the import is caused by the residuals file that is
280+ Mb. This is blowing up the interface, although the Visual Objects
manual claims that there is not limit on the size. Anyway, if you want to
get your estimates into the MARK interface, delete the mark001X.tmp file,
and you'll get an error that the residuals file is missing, but the MARK dbf
and fpt files will be created and you can do all the usual except examine
the residuals.
The reason the residuals file is so large is that you have a lot of
encounter histories as well as groups -- the result being this very large
file.
I've been trying again to figure out how to store these large files
as zipped files, but I just keep encountering one problem after another. I
may be getting close, but so far no luck. Ultimately, that is the best way
to fix this issue.

Gary

I had this same error but my (extremely large, >311MB) residuals file was labeled "mark001V.tmp". Deleting it fixed the problem.

With smaller files but specified length of periods I was not able to import to MARK too. I don't know why but rounding time time.intervals length in process.data(..., time.intervals=round(Time.intervals,2)) helped.