[R] Scatterplot question

[Liaw, Andy]

I assume the blanks are actually NAs?  If so, try something like (say `df'
is the data frame):

matplot(df$X, df[,-1], pch=1:3)

or refer to the help page for matplot() for more options.  

Andy

> From: judith.baltsar at gmx.de
> 
> Dear list members,
> I have a probably simple question concerning scatterplots: I want to 
> draw a plot with one X but several Y columns, so that every group 
> of samples gets a different symbol. My table looks like this:
> 
> X	Y1	Y2	Y3
> 1	1
> 2	3
> 3	5
> 4		7
> 5		9
> 6		11
> 7			13
> 8			15
> 
> Simple in Excel or StarOffice, but how do I do it in R?
> 
> Thanks a lot
> 
> Judith
> 
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