Start-of period controls in first difference estimation

Dear Stata-Users, I am currently trying to understand the econometrics of the Paper of Dippel et al. (2015) , where the authors estimate th...

Undiscovered mistake in regression with interaction term

Hey everyone. I'm having troubles with the outcome of a linear regression model, since I expected something completely different: Th...

Multiply and add

Code: * Example generated by -dataex-. For more info, type help dataex clear input float(time accp delta_accp) 1 37.97 . 2 38.07...

cluster/village fix effects

Dear Stata users, I am trying to estimate the impact of water quality on child health in 3 Asian countries. I am using 2SLS as we assume X...

Ordering legend only in graph

I am trying to order the legend with the better outcome group up top in the legend and the worse outcome at the bottom. I am unable to finag...

Reshaping data from wide to long

When I try to reshape I keep getting this error r(111) no xij variables found You typed something like reshape wide a b, i(i) j(j). reshap...

Draw a stratified random sample

Hi, I am working with a survey where I have information at the individual and household levels. I see in the data each household for 5 per...