[R] User defined axis on image plots

Mark Scarr mscarr at excitehome.net
Fri Nov 2 03:19:21 CET 2001

Hi All,

As a newbie to R I have the following question, which I couldn't
find an answer to in the documentation.

I have an x, y, z image plot of some data, where x and y are vectors
of the form x = c(1:nrow(z)), y = (1:ncol(z)). As a result this places
integer values on the X-axis, whereas they are in fact dates. I have
another string vector of dates which I would like to use on the X-axis
instead, suitably spaced and preferably vertical (rather than horizontal).

Any help would be most appreciated,



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