Tim Smith wrote: > Hi, > > I had a matrix with NULL values, which I wanted to replace with NA. Is there > an efficient way to do this? > > Small sample input matrix: > A B C D E > 1 5222.18 6355.10 4392.68 2607.41 4524.09 > 2 NULL 257.33 NULL 161.51 119.44 > 3 NULL 274.80 305.28 443.27 NULL > 4 1759.76 1556.45 1224.06 1558.73 1837.09
How is it possible to construct such a matrix? Uwe Ligges > > Tim > > > > > > > ____________________________________________________________________________________ > Be a better friend, newshound, and > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
