--- /dev/null
+/*
+ * efron.cpp
+ * Mothur
+ *
+ * Created by Thomas Ryabin on 5/13/09.
+ * Copyright 2009 __MyCompanyName__. All rights reserved.
+ *
+ */
+
+#include "efron.h"
+#include <math.h>
+
+/***********************************************************************/
+EstOutput Efron::getValues(SAbundVector* rank){
+
+ try {
+ data.resize(1,0);
+
+ if(m > rank->size()-1) {
+ cout << "Error in the 'efron' calculator. 'size' must be less than the length of the smalled sabund vector.\n";
+ data[0] = 0;
+ return data;
+ }
+
+ double sum = 0;
+ for(int i = 1; i < rank->size(); i++)
+ sum += pow(-1, (double)(i+1)) * pow(((double)m / (double)(rank->size()-1)), i) * (double)(rank->get(i));
+
+ data[0] = sum;
+
+ return data;
+ }
+ catch(exception& e) {
+ cout << "Standard Error: " << e.what() << " has occurred in the Coverage class Function getValues. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+ exit(1);
+ }
+ catch(...) {
+ cout << "An unknown error has occurred in the Coverage class function getValues. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+ exit(1);
+ }
+};
+
+
+/***********************************************************************/