[R] use of PPML (Poisson Pseudo Maximum Likelihood)
Сергей С.
salnsg at gmail.com
Thu Oct 8 17:05:42 CEST 2015
Dear Colleagues!
We use R for research. We would like to perform calculations (gravity model
of trade) with the
use of PPML (Poisson Pseudo Maximum Likelihood).
Please explain:
1. What package in R enables us to make calculations in accordance with the
PPML?
We used the command
glm()
with the parameter
family=quasipoisson(link="log").
Does this command procedure PPML? If not, then what command allows us to
use PPML?
2. For calculations using a linear model the quality factor is R^2. What is
the analogue of this indicator for PPML in system R?
Thank you very much in advance!
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