dd.est: Dabrowska-Doksum's estimate of theta

In sporm: Semiparametric Proportional Odds Rate Model

Description

Returns the estimate of the proportionality parameter θ of Dabrowska and Doksum (1988)

Usage

dd.est(x, y)

Arguments

x,y	Vectors containing the data values of the two samples x1,...,xm and y1,...,yn.

Details

See the references below.

Value

Dabrowska-Doksum's estimate of theta

Author(s)

Zhong Guan <[e-mail]>

References

Zhong Guan and Cheng Peng (2011), "A rank-based empirical likelihood approach to two-sample proportional odds model and its goodness-of-fit", Journal of Nonparametric Statistics, to appear.

D. M. Dabrowska and K. A. Doksum (1988), Estimation and testing in a two-sample generalized odds-rate model, J. Amer. Statist. Assoc. 83 pp. 744–749.

Examples

# Radar tube life data
z<-RadarTube$Days
v<-RadarTube$Type
x<-z[v==1]; y<-z[v==2]
# Dabrowska-Doksum's estimate of theta
dd.est(x,y)
dd.est(y,x)

sporm documentation built on Jan. 27, 2021, 5:08 p.m.