Changeset 713 for trunk/yat/regression/Naive.h

Timestamp:

Dec 21, 2006, 3:43:31 PM (16 years ago)

Author:

Peter

Message:

Fixes #77, #78, #158, and #163, and refs #81

File:

• trunk/yat/regression/Naive.h (modified) (3 diffs)

trunk/yat/regression/Naive.h

@@ -37 +37 @@
 namespace regression {
 
-  ///
-  /// @bief naive fitting.
-  ///
-  /// @todo document
-  ///
+  /**
+     @brief Naive Regression
+    
+     Data are modeled as \f$ y_i = \alpha + \epsilon_i \f$ 
+
+  */ 
   class Naive : public OneDimensional 
   {
@@ -56 +57 @@
     virtual ~Naive(void);
          
+    /** 
+        \f$\frac{1}{N-1} \sum (x_i-m)^2 \f$
+    
+        @brief Mean Squared Error
+    */
+    double chisq(void) const; 
+
     ///
     /// This function computes the best-fit for the naive model \f$ y
     /// = m \f$ from vectors \a x and \a y, by minimizing \f$
-    /// \sum{(y_i-m)^2} \f$. This function is the same as using the
-    /// weighted version with unity weights.
+    /// \sum{(y_i-m)^2} \f$. 
     ///
     void fit(const utility::vector& x, const utility::vector& y);
 
     ///
-    /// @brief Mean Squared Error
-    ///
-    inline double mse(void) const { return mse_; }
-
-    ///
-    /// Function predicting value using the naive model. 
+    /// The predicted value is the average \f$ m \f$ 
     ///
     double predict(const double x) const;
@@ -76 +78 @@
     ///
     /// @return standard error
+    ///
+    /// @see statistics::Averager
     ///
     double standard_error(const double x) const;