| lfe-package | Overview. Linear Group Fixed Effects |
| ..oldfelm | Fit a linear model with multiple group fixed effects (old interface) |
| bccorr | Compute limited mobility bias corrected correlation between fixed effects |
| btrap | Bootstrap standard errors for the group fixed effects |
| cgsolve | Solve a symmetric linear system with the conjugate gradient method |
| chainsubset | Chain subset conditions |
| compfactor | Find the connected components |
| condfstat | Compute conditional F statistic for weak instruments in an IV-estimation with multiple endogenous variables |
| demeanlist | Centre vectors on multiple groups |
| efactory | Create estimable function |
| felm | Fit a linear model with multiple group fixed effects |
| fepois | Fit a Poisson model with multiple group fixed effects |
| fevcov | Compute limited mobility bias corrected covariance matrix between fixed effects |
| getfe | Retrieve the group fixed effects |
| is.estimable | Verify estimability of function |
| kaczmarz | Solve a linear system defined by factors |
| lfe | Overview. Linear Group Fixed Effects |
| makeDmatrix | Make sparse matrix of dummies from factor list |
| mctrace | Compute trace of a large matrix by sample means |
| nlexpect | Compute expectation of a function of the coefficients. |
| sargan | Compute Sargan's S |
| summary.felm | Summarize felm model fits |
| varvars | Compute the variance of the fixed effect variance estimate |
| waldtest | Compute Wald test for joint restrictions on coefficients |