Exploring Data - Data Science at the Command Line - page 112

Scatter Plots
Using Rio ( Figure 7-7 ):
$ < data/tips.csv Rio -ge 'g+geom_point(aes(bill, tip, color=time))' | display
Figure 7-7. Scatter plot
Using feedgnuplot :
$ < data/tips.csv csvcut -c bill,tip | tr , ' ' | header -d | feedgnuplot \
> --terminal 'dumb 80,25' --points --domain --unset grid --exit --style pt 14
10 ++----+------+-----+------+-----+------+-----+------+-----+------+A---++
+ + + + + + + + + + + +
9 ++ A ++
| |
8 ++ ++
| A |
| |
7 ++ A A ++
| A A |