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AbsoluteDeviationLoss.h
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30 
31 #ifndef _ABSOLUTEDEVIATIONLOSS_H__
32 #define _ABSOLUTEDEVIATIONLOSS_H__
33 
34 #include <shogun/lib/config.h>
35 
37 
38 namespace shogun
39 {
44 {
45 public:
48 
51 
58  float64_t loss(float64_t prediction, float64_t label);
59 
66 
73  float64_t first_derivative(float64_t prediction, float64_t label);
74 
81 
89 
96 
106  virtual float64_t get_update(float64_t prediction, float64_t label, float64_t eta_t, float64_t norm);
107 
115  virtual float64_t get_square_grad(float64_t prediction, float64_t label);
116 
122 
127  virtual const char* get_name() const { return "AbsoluteDeviationLoss"; }
128 };
129 
130 } /* shogun */
131 
132 #endif /* _ABSOLUTEDEVIATION_LOSS__ */
CAbsoluteDeviationLoss implements the absolute deviation loss function. .
Class CLossFunction is the base class of all loss functions.
Definition: LossFunction.h:57
virtual float64_t get_square_grad(float64_t prediction, float64_t label)
float64_t loss(float64_t prediction, float64_t label)
virtual float64_t get_update(float64_t prediction, float64_t label, float64_t eta_t, float64_t norm)
double float64_t
Definition: common.h:50
float64_t first_derivative(float64_t prediction, float64_t label)
all of classes and functions are contained in the shogun namespace
Definition: class_list.h:18
virtual const char * get_name() const
float64_t second_derivative(float64_t prediction, float64_t label)
ELossType
shogun loss type
Definition: LossFunction.h:28

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