poisson data

  1. L

    Before to making a regression

    Hello I want to ask you, before to making a regression should we understand which distribution follow the datas? Let's take an example: if the data have a poisson distribution, then I will run a Poisson regression? If the data follow a gaussian then one should use...
  2. S

    data.table manipulation for poisson model setup

    I am cross posting from stackoverflow.com....no ideas there so far! I am working with a large dataset of a fishing fleet and I need to format it for a poisson regression and other count models. See below for a subset of the data. The count variable is 'days'. p1:p3 are indicator variables for...