time-invariant

  1. K

    Choice of model/strategy for multiple regression analisys

    Hi, I am doing an econometrics course where I am to do a regression analysis on some firm data. I want to analyze some shipping data of frozen goods to predict the temperature of the shipped goods at their end destination. My problem is that I am unsure which kind of analysis to make when I am...
  2. kiton

    (Poisson/NegBin, RE) Estimation of time-invariant predictors in a panel model

    Hello dear forum members, For a time being I had been working with the following model (Stata command format): - xtpoisson y x1 x2 x3 x4 x5, fe- where, y(it) is a count DV, x1-x2(it) are controls, and x3-x5(it) are the predictors of interest, i -- denotes an individual (N = 1750), and t...