I'm a fairly new user of R and I'm confronted with a problem to which I can't
find the solution in any R manual or FAQ.
I'd like to plot multiple 'graphs' in one plot screen. For example, my data
frame would be:
x a b c
1 11 15 18
2 26 12 19
3 22 17 14
And I'd like to plot a, b and c against x at the same time in one plot screen.
How is this done?
Thanks!
Robert Weenink
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