On Mar 3, 2011, at 12:44 PM, leinwand wrote:
I'm trying to do something very simple...
I wan to plot a histogram where the y axis represent the percentage
of the
total sample that each bin represents.
I know how to plot a histogram with the counts and density... but
can't find
anything that gives me perenct of sample on the y axis.
Any help is appriciated
Below is the script I'm working with
par(mfrow=c(1,2))
hist(ISIS$ASH_BA1K_ISIS[ISIS$Pest_Status=="-1"], main="Ash BA 1K
Negative
Detection", xlab="ASH BA 1K")
lines(density(ISIS$ASH_BA1K_ISIS), col="blue")
hist(ISIS$ASH_BA1K_ISIS[ISIS$Pest_Status=="1"], main="Ash BA 1K
Positive
Detection", xlab="Ash BA 1K")
lines(density(ISIS$ASH_BA1K_ISIS), col="red")
Script but no data.
There is a pretty much identical question asked and answered earlier
today... despite the fact theat the OP doesn't seem to undersatnd or
be able to apply the directions, you should see if the thread
"Probabilities greather than 1 in HIST" answers your question.
--
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