ibd (version 1.1)

D_eff: D-efficiency of a binary incomplete block design

Description

This function computes D-efficiency of a binary incomplete block design. Incidence matrix of the design is to be supplied as input to the function.

Usage

D_eff(N)

Arguments

N

incidence matrix

Value

• Deff
  D-efficiency

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)