[R] multiple plot overlay - dataframe

Hi from Zynnel zynnel at yahoo.com
Wed Feb 26 07:42:03 CET 2003

I hope you could help me with this. I have a dataframe
with 5 columns, the first column determining the X
values, and the rest four determining four separate Y
vectors. How can I plot them on the same graph,
overlaying each other?

Elena Zheleva

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