D_eff: D-efficiency of a binary incomplete block design

In ibd: Incomplete Block Designs

Description

This function computes lower bound to D-efficiency of a binary incomplete block design. Treatment by block incidence matrix of the design is to be supplied as input to the function.

Usage

D_eff(N)

Arguments

N	treatment by block incidence matrix

Value

Deff	Lower bound to D-efficiency

Author(s)

B N Mandal <[e-mail]>

Examples

N=matrix(c(1,0,0,0,1,0,1,0,0,0,1,0,1,1,0,0,1,0,1,1,0,1,0,1,1,0,0,0,0,1,1,0,0,0,1,1,1,0,0,0,1,0,0
,1,0,1,1,0,0),nrow=7,byrow=TRUE)
D_eff(N)

Example output

Warning message:
no DISPLAY variable so Tk is not available 
[1] 0.9999999

ibd documentation built on May 2, 2019, 6:52 a.m.