[R] Need help on having multiple distributions in one graph
jhilbe at aol.com
jhilbe at aol.com
Tue May 4 00:42:10 CEST 2010
R-listers:
I have searched the help files and everything I have related to R
graphics. I cannot find how to graph y against
several distributions on a single graph. Here is code for creating 4
Poisson distributions with different mean values, although I would
prefer having it in a loop: The top of the y axis for the first
distribution, with count of 0, is .6, which is the highest point for
any of the distributions.
obs <- 1:20
y <- obs-1
m0 <- (exp(-.5) * .5^y)/factorial(y)
m1 <- (exp(-1) * 1^y)/factorial(y)
m3 <- (exp(-3) * 3^y)/factorial(y)
m4 <- (exp(-5) * 5^y)/factorial(y)
How do I plot the graph of each distribution on y, all on a single
graph? I have spent so many hours on this,
which is really quite simple in applications such as Stata. Thanks very
much for the assistance:
Joseph Hilbe
hilbe at asu.edu or jhilbe at aol.com
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