search for: na4

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2010 May 05
3
concatenate values of two columns
...3 2 4 3 5 4 6 4 I try with paste but what I obtain is: X VAR3 1 NA2 2 1NA 3 2NA 4 NA3 5 NA4 6 4NA Thanks a lot!! [[alternative HTML version deleted]]
2002 Apr 30
3
rbind'ing empty rows in dataframes in 1.4.1 versus 1.5.0
Hi, In 1.4.1, I was able to create extra "empty" rows in a dataframe as so: > x <- data.frame(a = letters[1:3], b = 1:3) > x a b 1 a 1 2 b 2 3 c 3 > x[4,] a b NA NA NA > rbind(x, x[4,]) a b 1 a 1 2 b 2 3 c 3 NA NA NA > R.version _ platform sparc-sun-solaris2.6 arch sparc os solaris2.6
2010 May 05
0
R-help Digest, Vol 87, Issue 5
...3 2 4 3 5 4 6 4 I try with paste but what I obtain is: X VAR3 1 NA2 2 1NA 3 2NA 4 NA3 5 NA4 6 4NA Thanks a lot!! [[alternative HTML version deleted]] ------------------------------ Message: 142 Date: Wed, 05 May 2010 11:47:32 +0200 From: Alex van der Spek <doorz at xs4all.nl> To: r-help at r-project.org Subject: [R] Memory issue Message-ID: <4BE13EB4.8...