R: Connctedness of a binary incomplete block design

is.connected {ibd} | R Documentation

## Connctedness of a binary incomplete block design

### Description

This function checks whether an incomplete block design is connected or not. 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)

### Arguments

`N` | incidence matrix

### Value

`connected` | Connctedness

### Author(s)

B N Mandal <mandal.stat@gmail.com>

### 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)

[Package ibd version 1.2 Index]