Impala Documentation

void Impala::Core::Feature::TestMakeRandomTree::testGain ( ) [inline]

Definition at line 93 of file TestMakeRandomTree.h.

References Impala::Core::Feature::Gain(), mFakeData, mFilterEven, mFilterHalf, mFilterHalfComp, mFilterOdd, mFilterQuarter, mFilterQuarterComp, and mNumberClasses.

00094     {
00095         double gainHalf = Gain(mFakeData, mNumberClasses,
00096                                mFilterHalf, mFilterHalfComp);
00097         double gainQuarter = Gain(mFakeData, mNumberClasses,
00098                                   mFilterQuarter, mFilterQuarterComp);
00099         double gainOdd = Gain(mFakeData, mNumberClasses,
00100                               mFilterOdd, mFilterEven);
00101         CPPUNIT_ASSERT(gainHalf > gainQuarter);
00102         CPPUNIT_ASSERT(gainQuarter > gainOdd);
00103     }

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