On 10/08/2011 7:28 AM, Johannes Radinger wrote:
Hello,
I'd like to perform a regression using MCMCregress (MCMCpack).
One variable therefore should be a function rather than a variable:
I want to use X as an input and X should be defined as a random number between
to values. Therefore I want to use the function runif like:
X<-(1, Xa, Xb) but it seems that runif doesn't allow to use vectors.
So I think I've to calculate the new vector X by using a for loop.
runif() does allow vectors. Assuming Xa and Xb are vectors of length n,
then
X <- runif(n, Xa, Xb)
will work. (Xa and Xb don't both have to be vectors; values will be
recycled as necessary.)
Duncan Murdoch
I tried "for (i in 1:length(lT)) T<-runif(1,lT,uT)" but that doesn't work.
What is the correct for-loop function to create this new vector/variable?
Can I use that function then as an input for MCMCregress?
thank you
Johannes
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