VAR {l2boost}

This is a hidden function of the l2boost package. VAR is a helper function that specifically returns NA if all values of the argument x are NA, otherwise, it returns a var object.

Description

This is a hidden function of the l2boost package. VAR is a helper function that specifically returns NA if all values of the argument x are NA, otherwise, it returns a var object.

Usage

VAR(x)

Arguments

x

return variance of x matrix.