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Delta-Test : A new Feature Selection procedure

Delta-Test is a feature selection procedure based on the maximization of the interclass distance between the classes.
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