topdown {discretization}

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.

Author(s)

HyunJi Kim [e-mail]

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 .