Changeset 672 for trunk/c++_tools/statistics/utility.cc

Timestamp:

Oct 7, 2006, 8:44:31 AM (16 years ago)

Author:

Peter

Message:

added MAD function in statistics

File:

• trunk/c++_tools/statistics/utility.cc (modified) (1 diff)

trunk/c++_tools/statistics/utility.cc

@@ -17 +17 @@
     return p;
   }
+
+  double mad(const utility::vector& vec, const bool sorted)
+  {
+    double m = median(vec, sorted);
+    std::vector<double> ad;
+    ad.reserve(vec.size());
+    for (size_t i = 0; i<vec.size(); ++i)
+      ad.push_back(fabs(vec[i]-m));
+    std::sort(ad.begin(), ad.end());
+    return median(ad,true);
+  }
+  
 
   double median(const utility::vector& vec, const bool sorted)