[R] Applying a transformation to multiple data frame columns

[jim holtman]

for (i in c('aum', 'num','aum.core','num.core')) t[[i]][is.na(t[[i]])] <- 0

On Sat, Jan 30, 2010 at 3:34 PM, Dimitri Shvorob
<dimitri.shvorob at gmail.com> wrote:
>
> How can one simplify the folowing?
>
> t$aum[is.na(t$aum)] = 0; t$aum.core[is.na(t$aum.core)] = 0
> t$num[is.na(t$num)] = 0; t$num.core[is.na(t$num.core)] = 0
>
> Thank you.
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

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