ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkTDistribution.h
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18 #ifndef itkTDistribution_h
19 #define itkTDistribution_h
20 
22 #include "itkNumericTraits.h"
23 #include "ITKStatisticsExport.h"
24 
25 namespace itk
26 {
27 namespace Statistics
28 {
58 class ITKStatistics_EXPORT TDistribution:
60 {
61 public:
67 
70 
72  itkNewMacro(Self);
73 
76  virtual SizeValueType GetNumberOfParameters() const ITK_OVERRIDE { return 1; }
77 
80  virtual double EvaluatePDF(double x) const ITK_OVERRIDE;
81 
85  virtual double EvaluatePDF(double x, const ParametersType &) const ITK_OVERRIDE;
86 
89  virtual double EvaluatePDF(double x, SizeValueType degreesOfFreedom) const;
90 
93  virtual double EvaluateCDF(double x) const ITK_OVERRIDE;
94 
98  virtual double EvaluateCDF(double x, const ParametersType &) const ITK_OVERRIDE;
99 
102  virtual double EvaluateCDF(double x, SizeValueType degreesOfFreedom) const;
103 
107  virtual double EvaluateInverseCDF(double p) const ITK_OVERRIDE;
108 
113  virtual double EvaluateInverseCDF(double p, const ParametersType &) const ITK_OVERRIDE;
114 
118  virtual double EvaluateInverseCDF(double p, SizeValueType degreesOfFreedom) const;
119 
122  virtual void SetDegreesOfFreedom(SizeValueType);
123 
126  virtual SizeValueType GetDegreesOfFreedom() const;
127 
129  virtual bool HasMean() const ITK_OVERRIDE { return true; }
130 
132  virtual double GetMean() const ITK_OVERRIDE;
133 
136  virtual bool HasVariance() const ITK_OVERRIDE;
137 
140  virtual double GetVariance() const ITK_OVERRIDE;
141 
147  static double PDF(double x, const ParametersType &);
148 
153  static double PDF(double x, SizeValueType degreesOfFreedom);
154 
164  static double CDF(double x, const ParametersType &);
165 
174  static double CDF(double x, SizeValueType degreesOfFreedom);
175 
186  static double InverseCDF(double p, const ParametersType &);
187 
198  static double InverseCDF(double p, SizeValueType degreesOfFreedom);
199 
200 protected:
201  TDistribution();
202  virtual ~TDistribution(void) {}
203 
204  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
205 
206 private:
207  TDistribution(const Self &) ITK_DELETE_FUNCTION;
208  void operator=(const Self &) ITK_DELETE_FUNCTION;
209 }; // end of class
210 } // end of namespace Statistics
211 } // end namespace itk
212 
213 #endif
Light weight base class for most itk classes.
ProbabilityDistribution class defines common interface for statistical distributions (pdfs...
SmartPointer< const Self > ConstPointer
SmartPointer< Self > Pointer
unsigned long SizeValueType
Definition: itkIntTypes.h:143
ProbabilityDistribution Superclass
virtual SizeValueType GetNumberOfParameters() const override
TDistribution class defines the interface for a univariate Student-t distribution (pdfs...
Control indentation during Print() invocation.
Definition: itkIndent.h:49