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nmi
2011 Aug 25
1
Possible Error in generic function rzigp in ZIGP Package
...zigp" function, in this way:
1. generate poisson means from a pareto distribuion,
2. generate dispersion for each poisson from gamma distribution
3. generate ratios between poisson means from uniform
4. generate dispersed poisson counts by rzigp.
However, it went fine, when the number (" nmiu" in the codes I ran) of poisson means was 100, but when it is 500, or any number larger than 500, I got this error :
Error in while (s[i] < upper) { : missing value where TRUE/FALSE needed
In addition: Warning messages:
1: In log((1 - omega) * mu * (mu + (phi - 1) * (i - 1))^(i - 2)/ex...