ibd (version 1.5)

is.connected: Connctedness of a binary incomplete block design

Description

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

Usage

is.connected(N)

Value

connected

Connctedness

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.connected(N)