Changed signs from correlation to unique effect
51668
Is the model wrong if a coefficient changes from minus in correlation table to plus in OLS?
68126
Can independent variables with low correlation with dependent variable be significant predictors?
107888
Why zero correlation does not necessarily imply independence
61495
Why does an integral change signs when flipping the boundaries?
102030
Getting the expectation symbol to behave like $\sum$ instead of $\Sigma$
130786
Reassign values to symbols
49318
Negative sign in rotation operator again
59577
Simple examples of uncorrelated but not independent $X$ and $Y$
90879
Why correlation is not "transitive"?
157430
In multiple regression, a coefficient gets opposite sign in subsample than in the full sample
133683
Skewness transformation for one but not the other variable?
24350
Fixed vs Random Effects
123530
How to test for convergence for the harmonic series with irregular (binomial) sign changes?
77307
Why does inversion of a covariance matrix yield partial correlations between random variables?
102514
Generate a random variable with a defined correlation to an existing variable(s)
103628
Is the canonical parameter (and therefore the canonical link function) for a Gamma not unique?
19279
dropping injectivity from multivariable change of variables