rankfeatures
Rank key features by class separability criteria
Syntax
Description
ranks the features inIDX
= rankfeatures(X
,GROUP
)X
using an independent evaluation criterion for binary classification.X
is a matrix where every column is an observed vector and the number of rows corresponds to the original number of features.GROUP
contains the class labels.IDX
is a list of indices to the rows ofX
with the most significant features.
使用一个或多个名称值参数指定的其他选项。IDX
= rankfeatures(X
,GROUP
,Name=Value
)
Examples
Input Arguments
Output Arguments
References
[1] Theodoridis, Sergios, and Konstantinos Koutroumbas.Pattern Recognition. San Diego: Academic Press, 1999: 341-342.
[2] Liu, Huan, and Hiroshi Motoda.Feature Selection for Knowledge Discovery and Data Mining. Kluwer International Series in Engineering and Computer Science 454. Boston: Kluwer Academic Publishers, 1998.
[3] Ross, Douglas T., Uwe Scherf, Michael B. Eisen, Charles M. Perou, Christian Rees, Paul Spellman, Vishwanath Iyer, et al. “Systematic Variation in Gene Expression Patterns in Human Cancer Cell Lines.”Nature Genetics24, no. 3 (March 2000): 227–35.