Re: [R] How to preserve NULL in vector

2009-04-06 Thread Duncan Murdoch
On 4/6/2009 9:24 AM, Daren Tan wrote: I have a vector containing NULL. Referencing to that NULL gives me NA instead, which disrupt my codes. How can i preserve NULL as it is ? NULL is not a numeric value, so you can't put it in a numeric vector. When you tried, it got converted to the numeric

[R] How to preserve NULL in vector

2009-04-06 Thread Daren Tan
I have a vector containing NULL. Referencing to that NULL gives me NA instead, which disrupt my codes. How can i preserve NULL as it is ? > res <- c(1,2,NULL) > res[1] [1] 1 > res[2] [1] 2 > res[3] [1] NA __ R-help@r-project.org mailing list https://sta