Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 15978

In biostatistics, fixed-effects may mean population-average effects. In econometrics, fixed-effects may represent the observed quantities in terms of explanatory variables that are treated as if the quantities were non-random.

3 votes

Why do random effect models require the effects to be uncorrelated with the input variables,...

From what I know, the random effects is a sort of extension of an OLS model, in which the constant is included in the vector of regressors, and the error is composed by both an unobserved effect (time …
Herman Haugland's user avatar
2 votes
1 answer
3k views

Is my parameter estimate significant or not?

DISCLAIMER: This question was sent to Stata list today, but so far nobody has answered. NOTE: I use Stata here, but actually I don't think the question is software-specific. Hi, I would appreciate …
Herman Haugland's user avatar
3 votes
1 answer
15k views

Should I test for all the OLS assumptions for a pooled OLS from panel data?

As the title says, I need to perform a Pooled OLS, a Fixed effects and a Random effects analysis. In the case of a normal OLS, one should test for normality, collinearity, homoscedasticity, linearity …
Herman Haugland's user avatar