Re: [R] zero fill empty cell in data.frame

From: Jim Lemon <jim_at_bitwrit.com.au>
Date: Tue, 19 Apr 2011 20:02:31 +1000

On 04/19/2011 07:39 PM, Simone Gabbriellini wrote:
> Hello List,
>
> I have a data frame like:
>
> V130 V131 V132 V133 V134 V135 V136
> 1 0 0 0.9 0 0.9 0 0
> 2 0 0 0 0 0 0.8
> 3 0 0 0 0 0.9 0 0
> 4 0.9 0 0 0 0 0 0.9
> 5 0 0 0
> 6 0 0 0 0.9 0 0 0.9
> 7 0 0 0.8 0 0 0 0
> 8 0.9 0 0 0.9 0.8 0
> 9 0 0 0 0.9 0.9 0 0
> 10 0 0 0 0 0 0 0.9
>
> I would like to fill the empty cells with a 0... how to address those empty cells?
>
Hi Simone,
I'm somewhat surprised that the empty cells aren't displayed as "NA". If they are in fact NAs, you could use:

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

Jim



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