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Delta ranking : A feature selection procedure

Delta Ranking using Java Applet

alt : DeltaTest.jar

The delta ranking procedure is a feature selection method based on the maximization of the interclass distance between the classes, combined with a logarithmic normalization.
This version only support two classes

The Data File must contains the values separated by space, in this shape :

Case #1 - Name Case #2 - Name ... Case #N - Name
Variable #1 - Name Variable #1 - Value for Case #1 Variable #1 - Value for Case #2 ... Variable #1 - Value for Case #N
Variable #2 - Name Variable #2 - Value for Case #1 Variable #2 - Value for Case #2 ... Variable #2 - Value for Case #N
...
Variable #P - Name Variable #P - Value for Case #1 Variable #P - Value for Case #2 ... Variable #P - Value for Case #N

The Group File must contains the values separated by space, in this shape :

Group of the Case #1 - 0 or 1
Group of the Case #2 - 0 or 1
...
Group of the Case #N - 0 or 1

Delta Ranking using script "R"

A "R" script has been developed in order to simplify the usage of the delta ranking.
To download the script : Script R
To download the readme (How to Use) : Readme File
To download the readme example learning data file : Data File