[R] image function
janef at stat.berkeley.edu
Thu Nov 1 03:43:40 CET 2001
I am trying to use image() function in R and for the set of the
x-locations I am providing, it keeps giving me an error:
Error in image(as.double(x), as.double(y), as.integer(zi), col) :
invalid x / y values or limits
I have looked over the cases which inclusion causes the message but
could not identify the problem. I did notice that it does not l accept
non-unique x-values (the other message was about ascending order ) and
removed those. I know that the error is due to "x-values" since when i
supply arbitrary equally spaces locations, the function works fine.
Any ideas what the error message i get may refer to?
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