On 20/01/2009, at 10:05 AM, David Winsemius (who should know better)
wrote:
<snip>
B[which(B == FALSE)] <- NA
<snip>
This sort of syntax drives me, and all right-thinking people,
subclinically neurotic
(or as a psychiatrist would say, stark staring bonkers).
Admittedly it's not (quite) as bad as using ``Y==TRUE'' where ``Y''
is what is wanted, but it's pretty bad.
One should say ``B[!B] <- NA''.
cheers,
Rolf Turner
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