[R] Reading SPSS: underlying numerical codes
michael_bibo at health.qld.gov.au
Fri Apr 13 03:38:20 CEST 2012
Marion Wenty <marion.wenty <at> gmail.com> writes:
> I have got a question concerning the underlying numerical codes when
> reading an SPSS file into R.
> I used the package foreign and when I look at a variable I get the verbal
> I would like to know how it is possible to get the underlying numerical
> codes as output, which are the same as in my SPSS file.
You don't need to import both numerical and text values;
R can automatically assign numerical values for
factors: see ?as.numeric.
The default sorting of factor levels in R is alphabetical.
To change this, see the "levels" argument of the
factor command: ?factor
Hope this helps,
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