Message-ID: <22278950.post@talk.nabble.com>
Date: 2009-03-01T22:26:19Z
From: japal
Subject: Modifying a built-in R function
Hello,
Something incredible (at least for me) has happen. Yesterday night I
downloaded biplot.R to edit this function and add new features I wished.
Namely I wanted to plot points belonging to different groups using different
colors and symbols. I identified which part of the original code I had to
modify. Then, I rename biplot by biplotes and executing biplotes(x), being x
a princomp class object, the function did what I wanted.
The problem is that today I type exactly the same (after sourcing my script
file incluiding biplotes) but biplotes(x) execute the original biplot
function. Also, if I invoke any of the new arguments I wrote in the code
then multiple warnings messages are displayed. I don't understand what is
the problem. Yesterday it works perfectly. Why R does not execute my code
and call the original biplot function?
Thanks in advance,
Javier.
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