AveragePredictor.h

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00001 
00024 #ifndef _AVERAGEPREDICTOR_H
00025 #define _AVERAGEPREDICTOR_H
00026 
00027 #include "../Predictor.h"
00028 
00032 class AveragePredictor: public PredictorAlgorithm
00033 {
00034         private:
00036 
00040                 unsigned windowSize;
00041                 list<unsigned> window;
00042                 map<unsigned, unsigned> frequencies;
00043 
00044         public:
00045                 // currently we only do most frequent prediction, as we only have categorical values
00046                 //enum AveragingType { mean, movingAverage, exponentialSmoothing, median };
00047 
00048                 //AveragePredictor(AveragingType type, unsigned int windowSize);
00050                 AveragePredictor(predictorparams &params);
00051 
00052                 // add a single step to the model
00053                 virtual void addContexts(const membershiplist* contexts, time_t time);
00054                 virtual void addContext(unsigned long contextId, time_t time);
00055 
00056                 virtual unsigned long getNextContext() const;
00057                 virtual membershiplist getNextContexts() const;
00058 
00059                 virtual contexttrajectory getContextTrajectory(unsigned int start, unsigned int end) const;
00060 
00061                 virtual unsigned long getContextAt(time_t time) const;
00062                 virtual membershiplist getContextsAt(time_t time) const;
00063 
00064                 virtual string serialize() const;
00065                 virtual void unserialize(string data);
00066 
00067 #if _DEBUG_PREDICTORS
00068 
00069                 virtual string toString() const;
00070 #endif
00071 };
00072 
00073 #endif

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