Changeset 1595

Timestamp:

Oct 22, 2008, 11:58:26 PM (13 years ago)

Author:

Peter

Message:

adding a signed_score in KS statistics

Location:

trunk/yat/statistics

Files:

• KolmogorovSmirnov.cc (modified) (2 diffs)
• KolmogorovSmirnov.h (modified) (1 diff)

trunk/yat/statistics/KolmogorovSmirnov.cc

@@ -101 +101 @@
   double KolmogorovSmirnov::score(void) const
   {
+    return std::abs(signed_score());
+  }
+
+
+  double KolmogorovSmirnov::signed_score(void) const
+  {
     if (cached_)
       return score_;
@@ -111 +117 @@
     utility::abs<double> a;
     using utility::make_compose_f_gx_hy;
-    score_ = std::abs(*std::max_element(v.begin(), v.end(), 
-                                        make_compose_f_gx_hy(l, a, a)));
+    score_ = *std::max_element(v.begin(), v.end(), 
+                               make_compose_f_gx_hy(l, a, a));
+    cached_=true;
     return score_;
   }

trunk/yat/statistics/KolmogorovSmirnov.h

@@ -85 +85 @@
     double score(void) const;
 
+    /**
+       Same as score() but keeping the sign, in other words, 
+       abs(signed_score())==score()
+
+       \since New in yat 0.5
+     */
+    double signed_score(void) const;
+
   private:
     void scores(std::vector<double>&) const;