[R] replacing zeros by NAs

[tommaso_unifi]

Other method:

a<-matrix(seq(1,20,2), 4,5)
a[c(1:2),c(2:4)]<-0

a[a==0]<-NA

----- Original Message ----- 
From: "Robert Kinley" <KINLEY_ROBERT at lilly.com>
To: <r-help at r-project.org>
Sent: Friday, June 12, 2009 11:59 AM
Subject: [R] replacing zeros by NAs


> something like ...
>
>> x<-c(1,2,3,0,5,6,0)
>> is.na(x[x==0])<-T
>> x
> [1]  1  2  3 NA  5  6 NA
>
> ~~~~~~~~~~~~~~~~
> Robert  Kinley
>
> ~~~~~~~~~~~~~~~~
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide 
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.


--------------------------------------------------------------------------------



No virus found in this incoming message.
Checked by AVG - www.avg.com

17:59:00