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lregress.h

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00001 
00002 #ifndef LREGRESS_H_
00003 #define LREGRESS_H_
00004 
00005 #include <vector>
00006 
00040 class lregress
00041 {
00042 private:
00043   lregress( const lregress &rhs );
00044 
00045 public:
00046   lregress() {}
00047   ~lregress() {}
00048 
00052   class point
00053   {
00054   private:
00055     double x_, y_;
00056   public:
00058     point( double xVal, double yVal ) { x_ = xVal; y_ = yVal; }
00060     point( const point &rhs ) { x_ = rhs.x_; y_ = rhs.y_; }
00062     ~point() {};
00063 
00064     double x() { return x_; }
00065     void x(const double v) { x_ = v; }
00066     double y() { return y_; }
00067     void y(const double v) { y_ = v; }
00068   }; // class point
00069 
00080   class lineInfo
00081   {
00082   private:
00084     double slope_;
00086     double intercept_;
00088     double stddev_;
00090     double slopeError_;
00092     double cor_;
00093   public:
00095     lineInfo()
00096     {
00097       slope_ = 0;
00098       intercept_ = 0;
00099       cor_ = 0;
00100       stddev_;
00101       slopeError_ = 0;
00102     }
00103     ~lineInfo() {}
00105     lineInfo( const lineInfo &rhs )
00106     {
00107       slope_ = rhs.slope_;
00108       intercept_ = rhs.intercept_;
00109       cor_ = rhs.cor_;
00110       stddev_ = rhs.stddev_;
00111       slopeError_ = rhs.slopeError_;
00112     }
00113     
00114     double slope() { return slope_; }
00115     void slope( double s ) { slope_ = s; }
00116 
00117     double intercept() { return intercept_; }
00118     void intercept( double a ) { intercept_ = a; }
00119 
00120     double stddev() { return stddev_; }
00121     void stddev( double s ) { stddev_ = s; }
00122 
00123     double corr() { return cor_; }
00124     void corr( double c ) { cor_ = c; }
00125 
00126     double slopeErr() { return slopeError_; }
00127     void slopeErr(double e) { slopeError_ = e; }
00128   }; // class lineInfo
00129 
00130   double meanX( std::vector<point> &data ) const;
00131   double meanY( std::vector<point> &data ) const;
00132 
00137   void lr( std::vector<point> &data, lineInfo &info ) const;
00138 
00139 }; // lregress
00140 
00141 #endif

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