I've two datas to compare in a scatter plot.
data1 <-c(0.341, 0.655, 0.934, 1.741)
data2 <-c(1.8, 2, 2.4, 2.6)
With the code below I am getting this:
plot(data1, data2, main="Minute Max.", asp=1,
xlab="Historical Values ", ylab="Disaggregated Values", pch=19)
I have three wishes:
1) Adding a 45 degree line
2) Having same coordinate length. For the example above, you can see the max. value is 2.6 in total. So I want my scatter diagram as square. Both x and y coordinates lengths' must be 2.6.
3) I know how to export the plot manually. But which code should I use to export the plot?
1) Use abline
to draw a straight line. This is called after your plot.
plot(data)
abline(0,1)
abline()
also takes additional arguments, like col="red"
.
2) This can be done using xlim
and ylim
. For more information on how you can edit the plot, use ?plot()
inside R to see the revelant helpfile.
plot(data, xlim=c(0,2.6),ylim=(0,2.6)
3) If you want it saved as eg a pdf, you can do the following.
pdf("myfile.pdf")
plot(data,....)
dev.off()
Also works with jpeg, eg
jpeg("myplot.jpg")
plot(data)
dev.off()
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