wpcv: w' weight function for covariances

Description

See Marazzi A. (1993), p.329

Usage

1
wpcv(s)

Arguments

s

A scalar input value

Value

The value of the w' function for s

References

Marazzi A. (1993) Algorithm, Routines, and S functions for Robust Statistics. Wadsworth & Brooks/cole, Pacific Grove, California. p.329


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