ibd (version 1.5)

is.orthogonal: orthogonality a block design

Description

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

Usage

is.orthogonal(N)

Value

orthogonal

orthogonal

Arguments

N

incidence matrix

Author

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)
is.orthogonal(N)