[R] Is it possible to remove this loop? [SEC=UNCLASSIFIED]

Bart Joosen bartjoosen at hotmail.com
Tue Jul 3 13:13:04 CEST 2012

And one more alternative:

a1$h2 <- apply(a1,1, function(x)  if (x["h1"]=="H") 1 else 0 )

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