vfdt-engine.h
Go to the documentation of this file.00001 #ifndef VFDTH 00002 #define VFDTH 00003 00032 #include "vfml.h" 00033 00034 typedef struct _VFDTGROWINGDATA_ { 00035 ExampleGroupStatsPtr egs; 00036 long seenExamplesCount; 00037 // long startedOnExampleNum; 00038 int seenSinceLastProcess; 00039 VoidListPtr exampleCache; 00040 00041 float parentErrorRate; 00042 int parentClass; 00043 00044 long seenSinceDeactivated; 00045 long errorsSinceDeactivated; 00046 00047 int treeLevel; 00048 float splitConfidence; 00049 00050 int prePruned; 00051 } VFDTGrowingData, *VFDTGrowingDataPtr; 00052 00053 00055 typedef struct _VFDT_ { 00056 ExampleSpecPtr spec; 00057 DecisionTreePtr dtree; 00058 00059 float splitConfidence; 00060 float tieConfidence; 00061 int messageLevel; 00062 int useGini; 00063 int processChunkSize; 00064 long maxAllocationBytes; 00065 00066 unsigned long examplesSeen; 00067 unsigned long numGrowing; 00068 00069 unsigned long numBoundsUsed; 00070 00071 int cacheExamples; 00072 int recoverMinimum; 00073 00074 int reactivateLeaves; 00075 float highestDeactivatedIndex; 00076 unsigned long reactivateScanPeriod; 00077 00078 int batchMode; 00079 float prePruneTau; 00080 int laplace; 00081 int doBonferonni; 00082 } VFDT, *VFDTPtr; 00083 00094 VFDTPtr VFDTNew(ExampleSpecPtr spec, float splitConfidence, 00095 float tieConfidence); 00096 00098 void VFDTFree(VFDTPtr vfdt); 00099 00104 void VFDTSetMessageLevel(VFDTPtr vfdt, int value); 00105 00119 void VFDTSetMaxAllocationMegs(VFDTPtr vfdt, int value); 00120 00126 void VFDTSetProcessChunkSize(VFDTPtr vfdt, int value); 00127 00129 void VFDTSetUseGini(VFDTPtr vfdt, int value); 00130 00138 void VFDTSetRestartLeaves(VFDTPtr vfdt, int value); 00139 00148 void VFDTSetCacheTrainingExamples(VFDTPtr vfdt, int value); 00149 00156 void VFDTSetPrePruneTau(VFDTPtr vfdt, float value); 00157 00159 void VFDTSetLaplace(VFDTPtr vfdt, int value); 00160 00161 void VFDTSetDoBonferonni(VFDTPtr vfdt, int value); 00162 00163 //void VFDTBootstrapC45(VFDTPtr vfdt, char *fileStem, int overprune, int runC45); 00164 00171 void VFDTProcessExamples(VFDTPtr vfdt, FILE *input); 00172 00178 void VFDTProcessExamplesBatch(VFDTPtr vfdt, FILE *input); 00179 00185 void VFDTProcessExampleBatch(VFDTPtr vfdt, ExamplePtr e); 00186 00188 void VFDTBatchExamplesDone(VFDTPtr vfdt); 00189 00194 void VFDTProcessExample(VFDTPtr vfdt, ExamplePtr e); 00195 00200 int VFDTIsDoneLearning(VFDTPtr vfdt); 00201 00203 long VFDTGetNumGrowing(VFDTPtr vfdt); 00204 00206 long VFDTGetNumBoundsUsed(VFDTPtr vfdt); 00207 00209 void VFDTPrintStats(VFDTPtr vfdt, FILE *out); 00210 00211 00212 00221 DecisionTreePtr VFDTGetLearnedTree(VFDTPtr vfdt); 00222 00223 00224 void VFDTREPrune(DecisionTreePtr dt, VoidAListPtr examples); 00225 00226 #endif /* VFDTH */ 00227
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