On Jul 21, 2011, at 1:42 PM, Benjamin Caldwell wrote:
That is, run all possible combinations of the two vectors through the
equation.
*Ben *
For "all combinations" the usual route is data preparation with either
expand.grid() or outer()
On Thu, Jul 21, 2011 at 10:04 AM, Benjamin Caldwell <btcaldw...@berkeley.edu
wrote:
Hi,
I'm trying to run a basic simulation and sensitivity test by
running an
equation with two variables and then plotting the results against
each of
the vectors. R is running the vectors like this : 0 with 0, 1 with
1, etc. I
would like it to run them like 0 for 1:100, 1 for 1:100, and then the
reverse (so 100^2*100@ iterations. How do I get it to do that?
Here's what
I have so far:
par(mfrow=c(1,2))
t <- 0:100
DBH <- 0:100
M <- 4000*(1-exp(-t*(1.104-(0.67*0.7)-0.163*log(DBH))^2)))
plot(M~DBH)
plot(M~t)
*Ben*
David Winsemius, MD
West Hartford, CT
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