kweights2: Kernel Weights
Description
Kernel weights for kernel-based heteroskedasticity
and autocorrelation consistent (HAC) covariance matrix estimators
as introduced by Andrews (1991). This function comes from the sandwich
package.Usage
kweights2(x, kernel = c("Truncated", "Bartlett", "Parzen",
"Tukey-Hanning", "Quadratic Spectral"), normalize = FALSE)
Arguments
kernel
a character specifying the kernel used. All kernels used
are described in Andrews (1991).
normalize
logical. If set to TRUE
the kernels are
normalized as described in Andrews (1991).
Value
- Value of the kernel function at
x
.
References
Andrews DWK (1991),
Heteroskedasticity and Autocorrelation Consistent Covariance Matrix Estimation.
Econometrica, 59,
817--858.