[R] Viewing certain numbers without NA's
o.christensen at lancaster.ac.uk
Mon May 6 10:10:18 CEST 2002
a <- konz[(konz[,17] == 1061 | konz[,17] == 1017) &
Should do the job
Patrick Buetzberger wrote:
> Dear R Community,
> We have recently installed R 1.5.0 on several workstations. Ever since,
> if I try to extract certain numbers or lines from a file (which contains
> many NA's), I don't only get my desired line but all other lines which
> contain NA's. In a file with 15000 rows and 7500 NA's this is not very
> practical. In the earlier R-Version this worked when I typed in the
> a <- konz[konz[,17] == 1061 | konz[,17] == 1017,4:17]
> In this case, vector 'a' contained columns 4:17 of every row in file
> 'konz' in which column 17 equaled 1061 or 1017, and nothing else. Since
> R 1.5.0 is installed I also get all rows in which row 17 of 'konz'
> contains NA's (and that's many).
> Any hint how I can avoid this?
> Thanks, Patrick Buetzberger
Ole F. Christensen
Department of Mathematics and Statistics
Fylde College, Lancaster University
Lancaster, LA1 4YF, England
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