Does anyone know which function (if any) will return the index of the
true locations in a Boolean vector?
For instance:
A=c(1,3,5,7,4);
B=c(2,4,77,3,3);
X=A<B;
So X is:
> X
[1] TRUE TRUE TRUE FALSE FALSE
I'd like to know if there is a function that will tell me the locations
of where the TRUE values are? for instance a vector that will list that
the locations are at 1, 2, 3. This function is sometimes called loc()
in other languages.
Thanks,
Jennifer
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