lfe

Compute limited mobility bias corrected correlation between fixed effects

Bootstrap standard errors for the group fixed effects

Solve a symmetric linear system with the conjugate gradient method

Chain subset conditions

Find the connected components

Compute conditional F statistic for weak instruments in an IV-estimation with multiple endogenous variables

Centre vectors on multiple groups

Find diameters of mobility graphs

Create estimable function

Fit a linear model with multiple group fixed effects

Compute limited mobility bias corrected covariance matrix between fixed effects

Compute standard errors for fixed effects

Retrieve the group fixed effects

Verify estimability of function

Solve a linear system defined by factors

Overview. Linear Group Fixed Effects

Make sparse matrix of dummies from factor list

Compute trace of a large matrix by sample means

Compute expectation of a function of the coefficients.

Compute Sargan's S

Summarize felm model fits

Compute the variance of the fixed effect variance estimate

Compute Wald test for joint restrictions on coefficients