[R] Is there a multinomial exact goodness of fit test in R?

Dear all: I have very small observed values and would like to do a goodness-of-fit test. Is there a multinomial exact goodness of fit test in R? Thank you very much! Sincerely, Jian - [[alternative HTML version deleted]] ___

[R] A question on chisq.test

Dear all, I would like to do a goodness-of-fit test on my data to see if they follow a mixture of 2 poisson distributions. I have small numbers for observed values. Most of them <5. The chisq.test gives warning message: Chi-squared approximation may be incorrect in: chisq.test(x , p = prob). Ho