[R] how do i put two scatterplots on same graph

[William Revelle]

If the data are from one data.frame (e.g., the iris data set), then simply label the red and white flowers with different colors:
e.g.,

with the iris data set

plot(iris$Sepal.Length,iris$Sepal.Width,col=c("red","blue","black")[iris$Species],pch=c(16:18)[iris$Species])

Bill




On Oct 4, 2011, at 4:20 AM, Paul Hiemstra wrote:

> On 10/04/2011 06:19 AM, jricci wrote:
>> Have two sets of scatterplot data
>> hypothetically  
>> a) stem lenght vs number of petals in red flowers
>> b) stem lenght vs number of petals in white flowers
>> 
>> want to place on same scatter plot with same x,y axis but different collored
>> markers
>> 
>> How do I do this in R
>> 
>> --
>> View this message in context: http://r.789695.n4.nabble.com/how-do-i-put-two-scatterplots-on-same-graph-tp3870030p3870030.html
>> Sent from the R help mailing list archive at Nabble.com.
>> 
>> ______________________________________________
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> 
> Hi,
> 
> You could take a look at the ggplot2 package.
> 
> good luck,
> Paul
> 
> -- 
> Paul Hiemstra, Ph.D.
> Global Climate Division
> Royal Netherlands Meteorological Institute (KNMI)
> Wilhelminalaan 10 | 3732 GK | De Bilt | Kamer B 3.39
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> 
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> 
> ______________________________________________
> R-help at r-project.org mailing list
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> 

William Revelle		           http://personality-project.org/revelle.html
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