psi: psi weight function for location and regression

Description Usage Arguments Value References

Description

See Marazzi A. (1993), p.319

Usage

1
psi(s)

Arguments

s

A scalar input value

Value

The value of the psi weight function for s

References

Marazzi A. (1993) Algorithm, Routines, and S functions for Robust Statistics. Wadsworth & Brooks/cole, Pacific Grove, California. p.319


robeth documentation built on Aug. 24, 2018, 5:06 p.m.

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