I've tried various commands. ?plot, Teetor's book, R Cookbook, and
Mittal's book, R Graphs Cookbook without seeing how to write the command
to create scatterplots from my data.frame. The structure is:
str(chemdata)
'data.frame': 14886 obs. of 4 variables:
$ site: Factor w/ 148 levels
Hi,
Below are a couple of options using a standard dataset,
str(iris)
## using base graphics
d - split(iris, iris$Species)
str(d) # list of 3 data.frames
par(mfrow=n2mfrow(length(d))) # split the device in 3 plotting regions
b.quiet - lapply(names(d), function(x) { # loop over the list names
On Thu, 1 Sep 2011, baptiste auguie wrote:
Below are a couple of options using a standard dataset,
Thanks, Baptiste. These point me in the right direction.
Rich
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Hi Rich,
Using the data set iris as an example, you might also try
require(car)
scatterplot(Petal.Length ~ Sepal.Length | Species, data = iris)
HTH,
Jorge
On Wed, Aug 31, 2011 at 4:50 PM, Rich Shepard wrote:
I've tried various commands. ?plot, Teetor's book, R Cookbook, and
Mittal's
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