[R] Simple question regarding domain restrictions/piecewise functions in R

[chad.mills]

Yes!  Thanks.  It was just the "NA" value instead of the "as.null" that does
the trick.  Correct code for the original piecewise I stated (for those who
might be looking later) is:

f <- function(x){ 
                 ifelse((-1 < x & x < 1),x^2,ifelse((2<x&x<3),1,NA)) 
            } 
 plot(f,xlim=c(-1,3)) 

-Chad Mills

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