search for: s6720p2

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2002 Oct 26
2
Still missing something on missing values...
Hi, I have a SPSS datafile which is used for my textbook in the statistics (and which is available on http://abacon.com/fox/s6720p2.sav, but it is originally from ICPSR). When I opened it with SPSS 10 and run Frequencies on it I have got 979 valid data a 27 missing. However, see below (unfortunately, I have used R in preparation of my homework, which caused me an error on this): > data=read.spss("s6720p2.sav"...