[R] reproduce this graph in ggplot2 (code and data included)

[hadley wickham]

Here's one way:

qplot(degreedays, therms, data=heating, colour = Location, shape = Location) +
 geom_smooth(method = "lm", fullrange = T, se = F)

Hadley

On Fri, Sep 19, 2008 at 12:45 PM, Juliet Hannah <juliet.hannah at gmail.com> wrote:
> How can I reproduce this graph in ggplot2 (regression lines and data
> point superimposed). Thanks, Juliet
>
> filename="http://personality-project.org/r/datasets/heating.txt"
> heating=read.table(filename,header=TRUE)
> symb=c(19,25,3,23)
> colors=c("black","red","green","blue")
> plot(degreedays,therms,pch=symb[Location],col=colors[Location],bg=colors[Location],cex=1.0)
> by(heating,Location,function(x) abline(lm(therms~degreedays,data=x)))
>
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> and provide commented, minimal, self-contained, reproducible code.
>



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