Dear R-users,
I am trying to get a simple plot for a linear model. The following function
does the job
of getting all the plots of the lm function but the "main" plot.
multivarplot <-
function(...){
x1 <- rnorm(10); x2 <- rnorm(10); x3 <- rnorm(10)
y <- rnorm(10)
multivarfit <- lm(y ~ x1 + x2 + x3)
par(mfrow = c(3,2))
plot.lm(multivarfit)
}
where the "main" plot is graph of the variable (fitted : x1 + x2 + x3 ) against
y.
This is similar to the graph in Phil Spector's book (intro to the S and Splus)
p. 227.
It seems to be a very simple task but I cannot figure it out.
Thank you for any hint.
I use R 2.4.0 windows xp.
AA.
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