[R] using which to select range of values

Muhammad Rahiz muhammad.rahiz at ouce.ox.ac.uk
Thu Apr 22 17:21:15 CEST 2010


Hi all,

I would like to get the array index for a range of values, say  0 < x < 
1.5. I'm wondering if there is an alternative for the following which 
I've done

x0 <- rnorm(100)
x1 <- ifelse(x0 > 0 & x0 < 1.5,"t","f")
x2 <- which(x1=="t",arr.ind=TRUE)
x0[x2]

Thanks.

-- 

Muhammad



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