On Jul 31, 2011, at 12:59 PM, Iasonas Lamprianou wrote: > Dear friends, > > does anyone know how I can run a zero truncated poisson regression > using R (or even SPSS)? A bit of searching produces: https://stat.ethz.ch/pipermail/r-help/2011-March/270614.html -- David Winsemius, MD West Hartford, CT