This function is required to perform the disc.Topdown()
.
topdown(data, method = 1)
numeric data matrix to discretized dataset
1
: CAIM algorithm,
2
: CACC algorithm,
3
: Ameva algorithm.
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.
insert
, findBest
and
disc.Topdown
.