bisq_psi_prime: Derivative of bi-square psi

View source: R/robust_engine.R

bisq_psi_primeR Documentation

Derivative of bi-square psi

Description

Derivative of bi-square psi

Usage

bisq_psi_prime(u, k = 1.96)

aiDIF documentation built on April 22, 2026, 1:10 a.m.