On Sat, 6 Nov 2004, Peter Dalgaard wrote:
Thomas Lumley <[EMAIL PROTECTED]> writes:
I have modified read.spss (but not committed the changes yet) so that it does not create a factor when there are missing levels.
Hmm, could we handle this more elegantly? At the very least, we should probably try to keep the labels as an attribute, so that you have the option of doing something constructive with them afterwards.
They are kept as an attribute if use.value.labels=TRUE, whether or not a factor is created. I had thought they were always kept as an attribute even if use.value.labels=FALSE (as happens with read.dta), but this turns out not to be the case. This is easily fixed, and I will do so.
I have thought about a class that would make sense for data with some values labelled but not all. This is related to some other data representation issues that a colleague is asking about, and we may come up with a reasonably elegant and general solution.
-thomas
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