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sandwich (version 2.0-3)
Robust Covariance Matrix Estimators
Description
Model-robust standard error estimators for cross-sectional, time series and longitudinal data.
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Install
install.packages('sandwich')
Monthly Downloads
170,825
Version
2.0-3
License
GPL version 2
Maintainer
Achim Zeileis
Last Published
December 14th, 2007
Functions in sandwich (2.0-3)
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PublicSchools
US Expenditures for Public Schools
weightsAndrews
Kernel-based HAC Covariance Matrix Estimation
bread
Bread for Sandwiches
NeweyWest
Newey-West HAC Covariance Matrix Estimation
estfun
Extract Empirical Estimating Functions
isoacf
Isotonic Autocorrelation Function
meat
A Simple Meat Matrix Estimator
Investment
US Investment Data
vcovOPG
Outer Product of Gradients Covariance Matrix Estimation
sandwich
Making Sandwiches with Bread and Meat
kweights
Kernel Weights
weightsLumley
Weighted Empirical Adaptive Variance Estimation
vcovHAC
Heteroskedasticity and Autocorrelation Consistent (HAC) Covariance Matrix Estimation
vcovHC
Heteroskedasticity-Consistent Covariance Matrix Estimation