[R] Select rows of matrix

Hi I would appreciate if anyone could help me with an elegant solution of the following: I have a matrix that contain a small number of -Inf values. How can form a new matrix from the old one that excludes all the rows with -Inf values ? Thank you. Jacob Dept of Statistics University o

[R] help with zicounts

Dear UseRs: I have simulated data from a zero-inflated Poisson model, and would like to use a package like zicounts to test my code of fitting the model. My question is: can I use zicounts directly with the following simulated data? Create a sample of n=1000 observations from a ZIP model with no