Re: [R] Onequestion

2010-06-07 Thread Ben Bolker
Xiongqing Zhang xqzhang85 at yahoo.com writes: Dear Mr. or Ms.,   I used the R-software to run the zero-inflatoin negative binomial model, but I could not get the results. And the error message is solve.default(as.matrix(fit$gaussian)) . In the model, I introduced 3 dummy variables. I do

[R] Onequestion

2010-06-06 Thread Xiongqing Zhang
Dear Mr. or Ms.,   I used the R-software to run the zero-inflatoin negative binomial model, but I could not get the results. And the error message is solve.default(as.matrix(fit$gaussian)) . In the model, I introduced 3 dummy variables. I do not know the reasons fully.   I will be very