> When I create a simple scatterplot with a regression line (se below) the
> line is automatically extrapolated outside the range of data points. Why
> is this and how can I prevent R from extrapolating the regression line?
ggplot does this by default:
install.packages("ggplot")
library(ggplot)
qplot(Para, Herd, type=c("smooth","point"), method=lm)
Regards,
Hadley
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