[R] Scatter plot with multiple data sets
jwiley.psych at gmail.com
Thu Mar 3 23:43:24 CET 2011
The easiest option will be to combine all 6 datasets (at least the
variables you want to use in your scatter plot), and then create
another variable that indicates to which group the observations
belong. Here is a small example of what you might do once your data
are all together (obviously replace "mtcars" with your dataset name
and the variables with your variables):
with(mtcars, plot(x = hp, y = mpg, pch = carb))
I am also fond using the ggplot2 package for graphs.
ggplot(mtcars, aes(x = hp, y = mpg, shape = factor(carb))) + geom_point()
On Thu, Mar 3, 2011 at 12:03 PM, Jorseff <jcp512 at york.ac.uk> wrote:
> Hi, I have multiple (6) data sets which I would like to plot together on one
> scatter graph. The reason they are all separate is that I require a
> different symbol to be plotted for each set. Could somebody advise on how to
> do this?
> Many thanks,
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Ph.D. Student, Health Psychology
University of California, Los Angeles
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