y<-c(1,2,3)
z<-which(y>3)
z
y<-y[-z]
y
In the work I'm doing I often have this situation and have to make sure that I
condition on z being non-zero as y is now numeric(0) rather than the set
c(1,2,3). Why does R do this? Wouldn't it be more sensible for R to simply
leave the host set unchanged if there are no elements to take out?
Any thoughts?
Thanks, Nick Wray
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