[R] For-loop dummy variables?

[Adrian Dusa]

On Tuesday 19 October 2010, Phil Spector wrote:
> I always find R useful to solve problems like this:
> 
>    dummy = as.numeric(cleary$D1 %in% c(4,6,7))

Indeed, and this works too:
dummy <- 1*(cleary$D1 %in% c(4,6,7))

Adrian 

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Adrian Dusa
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