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3 votes
Accepted

Fixed effects regression: reghdfe vs reg with dummies (stata)

In R I get > mean(auto$foreign)*2446.5+4504 [1] 5231.338 so it looks as though reghdfe is estimating the intercept at the ...
Thomas Lumley's user avatar
2 votes
Accepted

why to add the interaction of two fixed effects in regression

Suppose you were modeling the sales of flip-flops at a retailer with locations all over the USA. Some people live in warmer places than others so that sandals can be worn for more months out of the ...
dimitriy's user avatar
  • 35.6k
2 votes

Multi-level models and random effects: Still confused

welcome to CV! And congratulations on starting to study hierarchical models. One thing that this topic helped me to understand is that there is no right answer. It all boils down to your needs and ...
Guilherme Marthe's user avatar
1 vote

My glmer output has my fixed effects are being split into the multiple factors of my dependant variables and I'm not sure why

Looking at the data, as in the answer by @dipetkov (+1), is always a good idea. A few more observations follow. First, if you are just starting out with this type of analysis, it's easy to get ...
EdM's user avatar
  • 92.5k
1 vote

My glmer output has my fixed effects are being split into the multiple factors of my dependant variables and I'm not sure why

This is work in progress as the OP hasn't yet fully clarified why the GLMM output is incorrect. What I've done so far is to simplify the data wrangling steps (fewer steps, fewer opportunities to make ...
dipetkov's user avatar
  • 9,950
1 vote

Negative percentages as dependent variable

Percents are troublesome in general and don't make a lot of sense (at least to me) when you try to incorporate negative values. Try modeling the amount of dollar returns themselves (whether positive ...
EdM's user avatar
  • 92.5k
1 vote
Accepted

Fixed effects: is there more?

Short answer: No, that's all there is. Longer answer: All of the documentation of fixest stresses that it is fast, user-friendly, and has features for exporting the results easily. I didn't search all ...
Peter Flom's user avatar
  • 120k

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