Changeset 230

Timestamp:

Feb 21, 2005, 3:48:15 PM (17 years ago)

Author:

Peter

Message:

Interface changed. mse changed to be msd and ccc statistics added

File:

• trunk/src/AveragerPair.h (modified) (2 diffs)

trunk/src/AveragerPair.h

@@ -48 +48 @@
     /// (x_i-m_x)^2\sum_i (y_i-m_y)^2}}\f$ 
     ///
-    /// @return Pearson correlation.
+    /// @return Concordence correlation coefficient.
+    ///
+    inline double ccc(void) const 
+      { return ( (x_.variance()>0 || y_.variance()>0 || msd()) ? 
+                 (covariance() / (x_.variance()+y_.variance()+msd()) ) : 0); }
+  
+    ///
+    /// \f$\frac{\sum_i (x_i-m_x)(y_i-m_y)}{\sqrt{\sum_i
+    /// (x_i-m_x)^2\sum_i (y_i-m_y)^2}}\f$ 
+    ///
+    /// @return Pearson correlation coefficient.
     ///
     inline double correlation(void) const 
@@ -71 +81 @@
 
     ///
-    /// @return Average squared difference between x and y \f$
+    /// @return Average squared deviation between x and y \f$
     /// \frac{1}{N} \sum (x-y)^2 \f$
     ///
-    inline double mse(void) { return x_.mean_sqr()+y_.mean_sqr()-2*mean_xy(); }
+    inline double msd() const {return x_.mean_sqr()+y_.mean_sqr()-2*mean_xy();}
 
     ///