[R] inverse for formula transformations on LHS

Stephen Milborrow milbo at sonic.net
Sat May 18 14:05:19 CEST 2013

> Paul Johnson <pauljohn32 at gmail.com> wrote:
> m1 <- lm(log(y) ~ log(x), data = dat)
> termplot shows log(y) on the vertical.  What if I want y on the vertical?

plotmo in the plotmo package has an inverse.func argument,
so something like the following might work for you?

log.brain <- log(Animals$brain)
log.body  <- log(Animals$body)
m2 <- lm(log.brain ~ log.body)

myplot <- function(...)
    plotmo(m2, do.par=F, nrug=-1, col.resp=2, pch=20, 
        se=1, main="",  xlab="log(body)", ...)

par(mfrow = c(2, 2))
myplot(ylab="brain", inverse.func=exp)
termplot(m2, se=T, rug=T) #  for comparison

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