Fix windows DLL and doxygen. Refs #6746.

Code/Mantid/Framework/Kernel/inc/MantidKernel/Statistics.h

@@ -63,7 +63,7 @@ namespace Mantid
     template<typename TYPE>
     std::vector<double> getModifiedZscore(const std::vector<TYPE>& data, const bool sorted=false);
     /// Return the R-factors (Rwp) of a diffraction pattern data
-    double getRFactor(const std::vector<double>& obsI, const std::vector<double>& calI, const std::vector<double>& obsE);
+    double MANTID_KERNEL_DLL getRFactor(const std::vector<double>& obsI, const std::vector<double>& calI, const std::vector<double>& obsE);
   
   } // namespace Kernel
 } // namespace Mantid

Code/Mantid/Framework/Kernel/src/Statistics.cpp

@@ -217,11 +217,13 @@ namespace Mantid
     }
 
     /** Return the Rwp of a diffraction pattern data
-      * @param obsY :: array of observed intensity values
-      * @param calY :: array of calculated intensity values;
+      * @param obsI :: array of observed intensity values
+      * @param calI :: array of calculated intensity values;
+      * @param obsE :: array of error of the observed data;
+      * @return :: Rwp
       *
       */
-    DLLExport double getRFactor(const std::vector<double>& obsI, const std::vector<double>& calI, const std::vector<double>& obsE)
+    double getRFactor(const std::vector<double>& obsI, const std::vector<double>& calI, const std::vector<double>& obsE)
     {
       // 1. Check
       if (obsI.size() != calI.size() || obsI.size() != obsE.size())

Code/Mantid/Framework/Kernel/test/StatisticsTest.h

@@ -148,42 +148,3 @@ public:
 };
 
 #endif // STATISTICSTEST_H_
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