[R] read.spss question warning compression bias

Thomas Lumley tlumley at u.washington.edu
Thu Dec 11 19:32:56 CET 2003


On Thu, 11 Dec 2003, Marc Schwartz wrote:
>
> An additional question might be, if the file is not compressed, what is
> the default bias value set by SPSS? If it is 0, then the check is
> meaningless. On the other hand, if the default value is 100, whether or
> not the file is compressed, then the warning message would serve a
> purpose in flagging the possibility of other issues. Reasonably, that
> setting may be SPSS version specific.
>

I think the issue is that the format is not documented, so the author of
the code (Ben Pfaff) didn't know what a change in the value would imply.
If the file is apparently read correctly it seems that it doesn't imply
anything.

	-thomas




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