...xlab("Minimum Temperature") + ylab("Maximum Temperature") + ...
The labels can alternatively be specified using ggplot2::labs() which also accepts many other label options too:
...labs(x="Minimum Temperature", y="Maximum Temperature", colour="Rain") ...
A quick way to remove a label is to specify
...xlab(NULL) + ...
To add a title to the plot:
See Section 11.34 to remove the label, ticks, and text.
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