[R] removing missing values from a matrix

[Carvalho, Benilton]

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

Sent from my iPhone

On Oct 1, 2009, at 7:22 PM, "Amit Kumar" <amitkumartiwary at gmail.com>
wrote:

> Hi! All,
> I am working with a large matrix of dimension 23689 x 162. Some of the
> values of this matrix is missing (NA). And it looks something like
> that:
>
>> dim(red)
>  23689  162
>
>> red
>        [,1]  [,2]  [,3]  [,4]  [,5]
> [1,]    2     NA    4     9     6
> [2,]    5     NA    6   NA     1
> [3,]   NA    2     11   23    20
> [4,]    2      1     21  NA    3
> [5,]   NA    7     NA  52    NA
>
> Here I want to convert NA to zero everywhere in the matrix. I do no
> want to omit NA using na.omit(red). I want output something like that:
>> red
>        [,1]  [,2]  [,3]  [,4]  [,5]
> [1,]    2      0     4     9     6
> [2,]    5      0     6     0     1
> [3,]    0      2     11   23    20
> [4,]    2      1     21    0     3
> [5,]    0      7      0    52     0
>
> Please, help thanks.
> Amit
>
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