which is the right kernel method what method is best to use for estimating variances what is the correct kernel method of haz which method best reflects the variance of the model? which method is used to estimate the variance of a time series model? which method best describes the hap method? what is the hap why use hak kernel method what is the right hac which method of a variance estimator is safe which technique is most robust to use in estimating the variance? what is the hoc what is hak what is the name for the hoc method which method is the most reliable and safe? which variance estimator should be used for a single equation time series what is haci which method to use to evaluate the accuracy of an haz model? hoc costing definition which method to use when estimating HAC