Cronbach's alpha {Cronbach}

Cronbach's alpha

Description

Cronbach's alpha.

Usage

cronbach(x)

Arguments

x

A numerical matrix with the data.

Details

This function computes Cronbach's alpha internal reliability coefficient.

Value

The Cronbach's alpha.

Author(s)

Michail Tsagris.

R implementation and documentation: Michail Tsagris [e-mail].

References

Cronbach L. (1951). "Coefficient alpha and the internal structure of tests". Psychometrika, 16(3): 297-334.

See Also

cron.ci, cronfree.ci

Examples

## silly example
x <- as.matrix( iris[1:50, 1:4] )
Cronbach::cronbach(x)