[R] Viewing certain numbers without NA's

[Prof Brian D Ripley]

On Mon, 6 May 2002, 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
> following:
>
> 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?

Read the NEWS file or the file up 150update.txt on developer.r-project.org.
Your code has always been incorrect ....

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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