1 files changed, 0 insertions, 58 deletions
diff --git a/FEAST/FSToolbox/FCBF.m b/FEAST/FSToolbox/FCBF.m
deleted file mode 100644
index dcaf3bf..0000000
--- a/FEAST/FSToolbox/FCBF.m
+++ /dev/null
@@ -1,58 +0,0 @@
-function [selectedFeatures] = FCBF(featureMatrix,classColumn,threshold)
-%function [selectedFeatures] = FCBF(featureMatrix,classColumn,threshold)
-%
-%Performs feature selection using the FCBF measure by Yu and Liu 2004.
-%
-%Instead of selecting a fixed number of features it provides a relevancy threshold and selects all
-%features which score above that and are not redundant
-%
-% The license is in the license.txt provided.
-
-numFeatures = size(featureMatrix,2);
-classScore = zeros(numFeatures,1);
-
-for i = 1:numFeatures
-    classScore(i) = SU(featureMatrix(:,i),classColumn);
-end
-
-[classScore indexScore] = sort(classScore,1,'descend');
-
-indexScore = indexScore(classScore > threshold);
-classScore = classScore(classScore > threshold);
-
-if ~isempty(indexScore)
-    curPosition = 1;
-else
-    curPosition = 0;
-end
-    
-while curPosition <= length(indexScore)
-    j = curPosition + 1;
-    curFeature = indexScore(curPosition);
-    while j <= length(indexScore)
-        scoreij = SU(featureMatrix(:,curFeature),featureMatrix(:,indexScore(j)));
-        if scoreij > classScore(j)
-            indexScore(j) = [];
-            classScore(j) = [];
-        else
-            j = j + 1;
-        end
-    end
-    curPosition = curPosition + 1;
-end
-
-selectedFeatures = indexScore;
-
-end
-
-function [score] = SU(firstVector,secondVector)
-%function [score] = SU(firstVector,secondVector)
-%
-%calculates SU = 2 * (I(X;Y)/(H(X) + H(Y)))
-
-hX = h(firstVector);
-hY = h(secondVector);
-iXY = mi(firstVector,secondVector);
-
-score = (2 * iXY) / (hX + hY);
-end