| To: | "S-news@wubios.wustl.edu" <S-news@wubios.wustl.edu> |
|---|---|
| Subject: | (pas d'objet) |
| From: | Marion VERDOIT <Marion.Verdoit@ifremer.fr> |
| Date: | Thu, 30 Nov 2000 18:37:23 +0100 |
| Organization: | ifremer |
Hello,
I have a vector
a<-c("NA","1", "NA", "5", "NA", "6","8","10")
I want the positions of the "NA"s in a, i.e.:
1 3 5
I try
match("NA", a), but it returns only the first position :
> 1
have you the solution?
Thank you
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