[R] Still missing something on missing values...
matej at ceplovi.cz
Sat Oct 26 23:24:26 CEST 2002
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
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):
 "Rf" "Dk" "Neither" "Oppose" "Favor"
> data$CP1[data$CP1=="Rf" | data$CP1=="Dk"]<-NA
Now, what is even more strange is, that when I have exported just
the variable CP1 from the full file (in SPSS) and run on it the
same frequencies as in the full size version, the results were
same as in R (yes, I have checked that the definition of the
missing values was the same: 8,9 -- labelled as Rf and Dk).
I have uploaded the data and all reports (in PDF) on
Could anybody help me to understand what I did wrong, please?
Matej Cepl, matej at ceplovi.cz, PGP ID# D96484AC
138 Highland Ave. #10, Somerville, Ma 02143, (617) 623-1488
In those days spirits were brave, the stakes were high, men were
real men, women were real women and small furry creatures from
Alpha Centauri were real small furry creatures from Alpha
-- Douglas Adams
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch
More information about the R-help