flexmix (version 2.3-9)

ICL: Integrated completed likelihood criterion

Description

Compute the Integrated Completed Likelihood criterion for model selection.

Usage

## S3 method for class 'flexmix':
ICL(object, \dots)
## S3 method for class 'stepFlexmix':
ICL(object, \dots)

Arguments

object

see Methods section below

...

Some methods for this generic function may take additional, optional arguments. At present none do.

Value

• Returns a numeric vector with the corresponding ICL value(s).

References

C. Biernacki, G. Celeux, and G. Govaert. Assessing a mixture model for clustering with the integrated completed likelihood. IEEE Transactions on Pattern Analysis and Machine Intelligence, 22(7), 719--725, 2000.

Examples

data("NPreg", package = "flexmix")
ex1 <- flexmix(yn~x+I(x^2), data=NPreg, k=2)
ICL(ex1)