[R] multiple lines and plot

Mauricio Cardeal mcardeal at ufba.br
Wed Sep 20 03:50:45 CEST 2006

Hi. Please, how can I put together 2 or more lines at the same 
scatterplot ? Example: measures of protein intake (quantitative) of 4 
children over 30 days, by day. How to plot all children at same graphic: 
Protein X Time ? Is there any command like "overlay" ?

Thank you,

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