is.vb {ibd}

Variance Balancedness of a Binary Incomplete Block Design

Description

Checks whether an incomplete block design is variance balanced or not. Treatment by block incidence matrix of the design is to be supplied as input to the function. If the design is variance balanced, it returns a value of 1 else it returns 0.

Usage

is.vb(N)

Arguments

N

incidence matrix

Value

vb

variance balanced

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)
is.vb(N)