Thanks, embarrased that I didn't think of that myself :)
Mark W. Kimpel MD ** Neuroinformatics ** Dept. of Psychiatry
Indiana University School of Medicine
15032 Hunter Court, Westfield, IN 46074
(317) 490-5129 Work, & Mobile & VoiceM
On 04/07/2009 6:09 PM, Henrique Dallazuanna wrote:
You cas use isTRUE:
isTRUE(grep("a", "") > 0)
Not really. If there are multiple hits, that returns FALSE.
You want to use length(grep(...)) to detect any hits.
Duncan Murdoch
On Sat, Jul 4, 2009 at 2:56 PM, Mark Kimpel wrote:
I
You cas use isTRUE:
isTRUE(grep("a", "") > 0)
On Sat, Jul 4, 2009 at 2:56 PM, Mark Kimpel wrote:
> I am using grep to locate colnames to automate a report build and have
> run into a problem when a colname is not found. The use of integer(0)
> in a conditional statement seems to be a no no
On Sat, Jul 4, 2009 at 7:56 PM, Mark Kimpel wrote:
> I am using grep to locate colnames to automate a report build and have
> run into a problem when a colname is not found. The use of integer(0)
> in a conditional statement seems to be a no no as it has length 0.
> Below is a self-contained trivia
On 04/07/09 18:56, Mark Kimpel wrote:
I am using grep to locate colnames to automate a report build and have
run into a problem when a colname is not found. The use of integer(0)
in a conditional statement seems to be a no no as it has length 0.
Below is a self-contained trivial example. I woul
I am using grep to locate colnames to automate a report build and have
run into a problem when a colname is not found. The use of integer(0)
in a conditional statement seems to be a no no as it has length 0.
Below is a self-contained trivial example. I would like to get
something like "NA" or -1 fo
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