# Cluster-Robust (Sandwich) Variance Estimators with Small-Sample Corrections

## Documentation for package ‘clubSandwich’ version 0.5.10

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Package NEWS.

## Help Pages

AchievementAwardsRCT | Achievement Awards Demonstration program
coef_test | Test all or selected regression coefficients in a fitted model
conf_int | Calculate confidence intervals for all or selected regression coefficients in a fitted model
constraint_matrices | Create constraint matrices
constrain_equal | Create constraint matrices
constrain_pairwise | Create constraint matrices
constrain_zero | Create constraint matrices
dropoutPrevention | Dropout prevention/intervention program effects
findCluster.rma.mv | Detect cluster structure of an rma.mv object
impute_covariance_matrix | Impute a block-diagonal covariance matrix
linear_contrast | Calculate confidence intervals and p-values for linear contrasts of regression coefficients in a fitted model
MortalityRates | State-level annual mortality rates by cause among 18-20 year-olds
pattern_covariance_matrix | Impute a patterned block-diagonal covariance matrix
SATcoaching | Randomized experiments on SAT coaching
vcovCR | Cluster-robust variance-covariance matrix
vcovCR.default | Cluster-robust variance-covariance matrix
vcovCR.geeglm | Cluster-robust variance-covariance matrix for a geeglm object.
vcovCR.glm | Cluster-robust variance-covariance matrix for a glm object.
vcovCR.gls | Cluster-robust variance-covariance matrix for a gls object.
vcovCR.ivreg | Cluster-robust variance-covariance matrix for an ivreg object.
vcovCR.lm | Cluster-robust variance-covariance matrix for an lm object.
vcovCR.lme | Cluster-robust variance-covariance matrix for an lme object.
vcovCR.lmerMod | Cluster-robust variance-covariance matrix for an lmerMod object.
vcovCR.mlm | Cluster-robust variance-covariance matrix for an mlm object.
vcovCR.plm | Cluster-robust variance-covariance matrix for a plm object.
vcovCR.rma.mv | Cluster-robust variance-covariance matrix for a robu object.
vcovCR.rma.uni | Cluster-robust variance-covariance matrix for a rma.uni object.
vcovCR.robu | Cluster-robust variance-covariance matrix for a robu object.
Wald_test | Test parameter constraints in a fitted linear regression model