D_eff {ibd}

D-efficiency of a Binary Incomplete Block Design

Description

Computes lower bound to D-efficiency of a binary incomplete block design

Usage

D_eff(N)

Arguments

N

treatment by block incidence matrix

Value

Deff

lower bound to D-efficiency

Author(s)

Baidya Nath 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)