discretization (version 1.0-1.1)

topdown: Auxiliary function for performing top-down discretization algorithm

Description

This function is required to perform the disc.Topdown().

Usage

topdown(data, method = 1)

Arguments

data

numeric data matrix to discretized dataset

method

1: CAIM algorithm, 2: CACC algorithm, 3: Ameva algorithm.

References

Gonzalez-Abril, L., Cuberos, F. J., Velasco, F. and Ortega, J. A. (2009) Ameva: An autonomous discretization algorithm, Expert Systems with Applications, 36, 5327--5332.

Kurgan, L. A. and Cios, K. J. (2004). CAIM Discretization Algorithm, IEEE Transactions on knowledge and data engineering, 16, 145--153.

Tsai, C. J., Lee, C. I. and Yang, W. P. (2008). A discretization algorithm based on Class-Attribute Contingency Coefficient, Information Sciences, 178, 714--731.

See Also

insert, findBest and disc.Topdown .