[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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