robustreg (version 0.1-3)

psiBiSquare: Bisquare Psi Function

Description

Calculates residual from Bisquare psi function

Usage

psiBiSquare(r,c)

Arguments

r

Value to be evaluated by function

c

Tuning constant

Value

• r: Value to be evaluated by function

  c: Tuning constant

Details

Calculates residual from Bisquare psi function

References

Tukey

See Also

psiHuber()

Examples

a<-rnorm(1000)
psi<-psiBiSquare(a,4.685)
plot(a,psi)