--- /dev/null
+/*
+ * efron.cpp
+ * Mothur
+ *
+ * Created by Thomas Ryabin on 5/13/09.
+ * Copyright 2009Schloss Lab UMASS Amherst. All rights reserved.
+ *
+ */
+
+#include "efron.h"
+
+/***********************************************************************/
+EstOutput Efron::getValues(SAbundVector* rank){
+
+ try {
+ data.resize(1,0);
+
+ double n = (double)rank->getNumSeqs();
+ if(f > n || f == 0) { f = n; }
+
+ double sum = 0;
+ for(int i = 1; i < rank->size(); i++){
+ sum += pow(-1., i+1) * pow(((double)f / n), i) * (double)(rank->get(i));
+ }
+ data[0] = sum;
+
+ return data;
+ }
+ catch(exception& e) {
+ m->errorOut(e, "Efron", "getValues");
+ exit(1);
+ }
+}
+
+
+/***********************************************************************/