ibd (version 1.2)

is.vb: Variance balancedness of a binary incomplete block design

Description

This function checks whether an incomplete block design is variance balanced or not. 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

Examples

# NOT RUN {
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)
# }