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diff --git a/gower.cpp b/gower.cpp
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--- /dev/null
+++ b/gower.cpp
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+/*
+ *  gower.cpp
+ *  Mothur
+ *
+ *  Created by westcott on 12/17/10.
+ *  Copyright 2010 Schloss Lab. All rights reserved.
+ *
+ */
+
+#include "gower.h"
+
+/***********************************************************************/
+EstOutput Gower::getValues(vector<SharedRAbundVector*> shared) {
+	try {
+		data.resize(1,0);
+		
+		vector<int> maxOtus; maxOtus.resize(shared[0]->getNumBins());
+		vector<int> minOtus; minOtus.resize(shared[0]->getNumBins());
+		//for each otu
+		for (int i = 0; i < shared[0]->getNumBins(); i++) {
+			
+			//set otus min and max to first one
+			minOtus[i] = shared[0]->getAbundance(i);
+			maxOtus[i] = shared[0]->getAbundance(i);
+			
+			//for each group
+			for (int j = 1; j < shared.size(); j++) { 
+				maxOtus[i] = max(shared[j]->getAbundance(i), maxOtus[i]);
+				minOtus[i] = min(shared[j]->getAbundance(i), minOtus[i]);
+			}
+		}
+		
+		double sum = 0.0;
+		for (int i = 0; i < shared[0]->getNumBins(); i++) {
+			int A = shared[0]->getAbundance(i);
+			int B = shared[1]->getAbundance(i);
+			
+			double numerator = abs(A - B);
+			double denominator = maxOtus[i] - minOtus[i];
+				
+			if (denominator != 0) { sum += (numerator / denominator); }
+		}
+		
+		data[0] = sum;
+		
+		if (isnan(data[0]) || isinf(data[0])) { data[0] = 0; }
+		
+		return data;
+	}
+	catch(exception& e) {
+		m->errorOut(e, "Gower", "getValues");
+		exit(1);
+	}
+}
+/***********************************************************************/
+