[R] NA value

K. Elo
Fri, 27 Jun 2008 15:13:09 -0000

Hi,

cimfasy_rwl[ is.na(cimfasy_rwl) ] <-0

Or did I understood Your right?

HTH,
Kimmo


Alfredo Alessandrini wrote:
> I'm trying to replace NA with 0 value...
>
> I've write a loop, but don't work...
>
> Where's the problem?
>
>
>> cimfasy_rwl
> 1991     0.92     0.72     0.50     1.29     0.54     1.22
> 1992     2.15     1.28     1.23     2.26     1.22     3.17
> 1993     1.50     0.87     1.68     1.97     0.83     2.55
> 1994     0.69     0.00     0.76     1.89     0.60     0.87
> 1995     1.13     1.04     1.19     1.52     1.13     1.78
> 1996     1.15     0.92     1.50     0.97     0.60       NA
> 1997       NA       NA       NA       NA       NA       NA
> 1998       NA       NA       NA       NA       NA       NA
> 1999       NA       NA       NA       NA       NA       NA
> 2000       NA       NA       NA       NA       NA       NA
>> files_rwl <- ls(pattern="_rwl$")
>> files_rwl
> [1] "cimfasy_rwl" "rocquce_rwl"
>> for (i in files_rwl) assign(i,i[is.na(i)] <- 0)
>> ls()
> [1] "cimfasy_rwl" "files_rwl"   "files.rwl"
"i"           "rocquce_rwl"
>> cimfasy_rwl
> [1] 0
>
>
> Thanks in advance,
>
> Alfredo
>
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