On 25.05.2012 21:50, dga...@huskers.unl.edu wrote:
Greetings R experts,
I am running a simple lda on some simulation data of mine to show an
illustration of my multivariate response data, since it is a simulation I have
a very large amount of data and the default on plot seems to plot the category
names. This is very difficult to interpret even changing the abbreviations. At
the expense of sounding naive, my question(s) are:
How can I color code my four categories?
and how can I change the unit display to something simple like a dot, and not
the names or abbreviated names of the categories?
From what I read I believe there is code for doing this in the Modern Applied
Statistics With S text but this is currently checked out of my local library. I
hope this is simple and straightforward enough of a question I could provide
example code if necessary.
Just read ?plot.lda.
Example:
ldaobject <- lda(Species~., data=iris)
plot(ldaobject, panel = function(x, y, ...) points(x, y, ...),
col = as.integer(iris$Species), pch = 20)
I think it is worth having a copy of MASS in your book shelf, not only
in the local library....
Best,
Uwe Ligges
Cheers,
-Dan
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