# Fast Fixed-Effects Estimations

## Documentation for package ‘fixest’ version 0.8.4

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Code demos. Use demo() to run them.

## Help Pages

A B C D E F G H I L M N P R S T U V W X misc

fixest-package | Fast and User-Friendly Fixed-Effects Estimations

## -- A --

aggregate.fixest | Aggregates the values of DiD coefficients a la Sun and Abraham
AIC.fixest | Aikake's an information criterion
as.list.fixest_multi | Transforms a fixest_multi object into a list

## -- B --

base_did | Sample data for difference in difference
BIC.fixest | Bayesian information criterion
bread.fixest | Extracts the bread matrix from fixest objects

## -- C --

coef.fixest | Extracts the coefficients from a 'fixest' estimation
coefficients.fixest | Extracts the coefficients from a 'fixest' estimation
coefplot | Plots confidence intervals and point estimates
coeftable | Obtain various statistics from an estimation
collinearity | Collinearity diagnostics for 'fixest' objects
confint.fixest | Confidence interval for parameters estimated with 'fixest'
cstepwise | Stepwise estimation tools
cstepwise0 | Stepwise estimation tools
csw | Stepwise estimation tools
csw0 | Stepwise estimation tools
ctable | Obtain various statistics from an estimation

## -- D --

d | Lags a variable in a 'fixest' estimation
demean | Centers a set of variables around a set of factors
deviance.fixest | Extracts the deviance of a fixest estimation
did_means | Treated and control sample descriptives
dof | Type of degree of freedom in fixest summary

## -- E --

estfun.fixest | Extracts the scores from a fixest estimation
esttable | Estimations table (export the results of multiples estimations to a DF or to Latex)
esttex | Estimations table (export the results of multiples estimations to a DF or to Latex)
etable | Estimations table (export the results of multiples estimations to a DF or to Latex)

## -- F --

f | Lags a variable in a 'fixest' estimation
feglm | Fixed-effects GLM estimations
feglm.fit | Fixed-effects GLM estimations
femlm | Fixed-effects maximum likelihood model
fenegbin | Fixed-effects maximum likelihood model
feNmlm | Fixed effects nonlinear maximum likelihood models
feols | Fixed-effects OLS estimation
fepois | Fixed-effects GLM estimations
fitstat | Computes fit statistics of fixest objects
fitstat_register | Register custom fit statistics
fitted.fixest | Extracts fitted values from a 'fixest' fit
fitted.values.fixest | Extracts fitted values from a 'fixest' fit
fixef.fixest | Extract the Fixed-Effects from a 'fixest' estimation.
fixest | Fast and User-Friendly Fixed-Effects Estimations
formula.fixest | Extract the formula of a 'fixest' fit

## -- G --

getFixest_dict | Sets/gets the dictionary relabeling the variables
getFixest_dof | Type of degree of freedom in fixest summary
getFixest_estimation | Default arguments for fixest estimations
getFixest_etable | Estimations table (export the results of multiples estimations to a DF or to Latex)
getFixest_fml | Sets/gets formula macros
getFixest_notes | Sets/gets whether to display notes in 'fixest' estimation functions
getFixest_nthreads | Sets/gets the number of threads to use in 'fixest' functions
getFixest_print | A print facility for 'fixest' objects.
getFixest_se | Sets the default type of standard errors to be used

## -- H --

hatvalues.fixest | Hat values for 'fixest' objects

## -- I --

i | Create, or interact variables with, factors
interact | Create, or interact variables with, factors

## -- L --

l | Lags a variable in a 'fixest' estimation
lag.formula | Lags a variable using a formula
logLik.fixest | Extracts the log-likelihood

## -- M --

model.matrix.fixest | Design matrix of a 'fixest' object

## -- N --

nobs.fixest | Extracts the number of observations form a 'fixest' object

## -- P --

panel | Constructs a 'fixest' panel data base
plot.fixest.fixef | Displaying the most notable fixed-effects
predict.fixest | Predict method for 'fixest' fits
print.fixest | A print facility for 'fixest' objects.
print.fixest_fitstat | Print method for fit statistics of fixest estimations
print.fixest_multi | Print method for fixest_multi objects
pvalue | Obtain various statistics from an estimation

## -- R --

r2 | R2s of 'fixest' models
rep.fixest | Replicates fixest objects
rep.fixest_list | Replicates fixest objects
resid.fixest | Extracts residuals from a 'fixest' object
residuals.fixest | Extracts residuals from a 'fixest' object

## -- S --

se | Obtain various statistics from an estimation
setFixest_coefplot | Sets the defaults of coefplot
setFixest_dict | Sets/gets the dictionary relabeling the variables
setFixest_dof | Type of degree of freedom in fixest summary
setFixest_estimation | Default arguments for fixest estimations
setFixest_etable | Estimations table (export the results of multiples estimations to a DF or to Latex)
setFixest_fml | Sets/gets formula macros
setFixest_notes | Sets/gets whether to display notes in 'fixest' estimation functions
setFixest_nthreads | Sets/gets the number of threads to use in 'fixest' functions
setFixest_print | A print facility for 'fixest' objects.
setFixest_se | Sets the default type of standard errors to be used
sigma.fixest | Residual standard deviation of 'fixest' estimations
stepwise | Stepwise estimation tools
stepwise0 | Stepwise estimation tools
style.df | Style of data.frames created by etable
style.tex | Style definitions for Latex tables
summ | Summary of a 'fixest' object. Computes different types of standard errors.
summary.fixest | Summary of a 'fixest' object. Computes different types of standard errors.
summary.fixest.fixef | Summary method for fixed-effects coefficients
summary.fixest_list | Summary of a 'fixest' object. Computes different types of standard errors.
summary.fixest_multi | Summary for fixest_multi objects
sw | Stepwise estimation tools
sw0 | Stepwise estimation tools

## -- T --

terms.fixest | Extract the terms
to_integer | Fast transform of any type of vector(s) into an integer vector
trade | Trade data sample
tstat | Obtain various statistics from an estimation

## -- U --

unpanel | Dissolves a 'fixest' panel
update.fixest | Updates a 'fixest' estimation

## -- V --

vcov.fixest | Computes the variance/covariance of a 'fixest' object

## -- W --

wald | Wald test of nullity of coefficients
weights.fixest | Extracts the weights from a 'fixest' object

## -- X --

xpd | Expands formula macros

## -- misc --

$.fixest_multi | Extracts the root of a fixest_multi object
.l | Replicates fixest objects
[.fixest_multi | Subset a fixest_multi object
[.fixest_panel | Method to subselect from a 'fixest_panel'
[[.fixest_multi | Extracts one element from a 'fixest_multi' object
_index_ | Fast and User-Friendly Fixed-Effects Estimations