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sandwich (version 2.2-9)

Robust Covariance Matrix Estimators

Description

Model-robust standard error estimators for cross-sectional, time series and longitudinal data.

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Version

Install

install.packages('sandwich')

Monthly Downloads

211,192

Version

2.2-9

License

GPL-2

Maintainer

Achim Zeileis

Last Published

January 14th, 2012

Functions in sandwich (2.2-9)

estfun

Extract Empirical Estimating Functions
bread

Bread for Sandwiches
weightsLumley

Weighted Empirical Adaptive Variance Estimation
PublicSchools

US Expenditures for Public Schools
vcovHC

Heteroskedasticity-Consistent Covariance Matrix Estimation
kweights

Kernel Weights
meat

A Simple Meat Matrix Estimator
vcovHAC

Heteroskedasticity and Autocorrelation Consistent (HAC) Covariance Matrix Estimation
weightsAndrews

Kernel-based HAC Covariance Matrix Estimation
sandwich

Making Sandwiches with Bread and Meat
NeweyWest

Newey-West HAC Covariance Matrix Estimation
vcovOPG

Outer Product of Gradients Covariance Matrix Estimation
lrvar

Long-Run Variance of the Mean
isoacf

Isotonic Autocorrelation Function
Investment

US Investment Data