Top "Panel-data" questions

A multidimensional dataset usually describing measurements over time for a specific cohort.

Stata: using egen group() to create unique identifiers

I have a dataset where each row is a firm, year pair with a firmid that is a string. If …

stata panel-data
Hausman type test in R

I have been using "plm" package of R to do the analysis of panel data. One of the important test …

r stata plm panel-data
error in plm regression

colleagues! I have panel data: Company year Beta NI Sales Export Hedge FL QR AT Foreign 1 1 2010 -2.2052800 293000 1881000 78.6816 0 23.5158 1.289 0.6554 3000 2 1 2011 -2.2536069 316000 2647000 81.4885 0 21.7945 1.1787 0.8282 22000 3 1 2012 0.3258693 363000 2987000 82.4908 0 24.5782 1.2428 0.813 -11000 4 1 2013 0.4006030 549000 4546000 79.4325 0 31.4168 0.6038 0.7905 71000 5 1 2014 -0.4508811 348000 5376000 79.2411 0 37.1451 0.6563 0.661 …

r panel-data
Time Trend Variable in Balanced Panel Data, Stata

I have some balanced panel data and want to include trend variable into my regression. However, I have 60 districts in 7 …

variables stata trend panel-data
Test for Multicollinearity in Panel Data R

I am running a panel data regression using the plm package in R and want to control for multicollinearity between …

r regression plm panel-data
Fama MacBeth standard errors in R

Does anyone know if there is a package that would run Fama-MacBeth regressions in R and calculate the standard errors? …

r regression standard-error panel-data
Difference in Differences in Python + Pandas

I'm trying to perform a Difference in Differences (with panel data and fixed effects) analysis using Python and Pandas. I …

python pandas regression least-squares panel-data
R: Plotting panel model predictions using plm & pglm

I've created two regression models using a linear panel model with plm, and a generalized panel model using poisson with …

r panel-data plm
Panel data with binary dependent variable in R

Is it possible to do regressions in R using a panel data set with a binary dependent variable? I am …

r regression panel-data plm
Should year variable be factor or numeric in panel data in R?

I have a panel dataset where hospitals are followed over time from 2004 to 2010 every two years. The data is in …

r panel-data