[Rd] nchar( NA )

2010-06-18 Thread Romain Francois
Hello, Is this expected ? nchar( c( , NA ) ) [1] 0 2 Should not the second one be NA ? Romain -- Romain Francois Professional R Enthusiast +33(0) 6 28 91 30 30 http://romainfrancois.blog.free.fr |- http://bit.ly/98Uf7u : Rcpp 0.8.1 |- http://bit.ly/c6YnCi : graph gallery collage `-

Re: [Rd] nchar( NA )

2010-06-18 Thread Sarah Goslee
Hi Romain, Did you read the help for nchar? Value: For ‘nchar’, an integer vector giving the sizes of each element, currently always ‘2’ for missing values (for ‘NA’). It may be unexpected behavior, but it's *well-documented* unexpected behavior. Sarah On Fri, Jun 18, 2010 at 4:52

Re: [Rd] nchar( NA )

2010-06-18 Thread Henrique Dallazuanna
The help page says: For ‘nchar’, an integer vector giving the sizes of each element, currently always ‘2’ for missing values (for ‘NA’). On Fri, Jun 18, 2010 at 5:52 PM, Romain Francois rom...@r-enthusiasts.comwrote: Hello, Is this expected ? nchar( c( , NA ) ) [1] 0 2

Re: [Rd] nchar( NA )

2010-06-18 Thread Romain Francois
Le 18/06/10 22:58, Sarah Goslee a écrit : Hi Romain, Did you read the help for nchar? Value: For ‘nchar’, an integer vector giving the sizes of each element, currently always ‘2’ for missing values (for ‘NA’). It may be unexpected behavior, but it's *well-documented* unexpected

Re: [Rd] nchar( NA )

2010-06-18 Thread Hadley Wickham
Value:     For ‘nchar’, an integer vector giving the sizes of each element,     currently always ‘2’ for missing values (for ‘NA’). It may be unexpected behavior, but it's *well-documented* unexpected behavior. Oh, that must make it ok then. For a more sensible take: library(stringr)