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Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type ADWIN ¶
type ADWIN struct {
// contains filtered or unexported fields
}
ADWIN (Adaptive Windowing) はアダプティブウィンドウによるドリフト検出 A. Bifet, R. Gavalda (2007) "Learning from time-changing data with adaptive windowing"
type ADWINOption ¶
type ADWINOption func(*ADWIN)
ADWINOption はADWINの設定オプション
func WithADWINMaxBuckets ¶
func WithADWINMaxBuckets(max int) ADWINOption
WithADWINMaxBuckets は最大バケット数を設定
type DDM ¶
type DDM struct {
// contains filtered or unexported fields
}
DDM (Drift Detection Method) is a concept drift detection method Proposed in J. Gama, P. Medas, G. Castillo, P. Rodrigues (2004) "Learning with Drift Detection"
func (*DDM) Update ¶
func (ddm *DDM) Update(correct bool) *DriftDetectionResult
Update updates the drift detector with prediction results correct: whether the prediction was correct return: drift detection result
func (*DDM) UpdateWithError ¶
func (ddm *DDM) UpdateWithError(error float64) *DriftDetectionResult
UpdateWithError はエラー値でドリフト検出器を更新
func (*DDM) UpdateWithPrediction ¶
func (ddm *DDM) UpdateWithPrediction(predicted, actual float64) *DriftDetectionResult
UpdateWithPrediction は予測値と実際値でドリフト検出器を更新
type DDMOption ¶
type DDMOption func(*DDM)
DDMOption is a DDM configuration option
func WithDDMMinNumInstances ¶
WithDDMMinNumInstances sets the minimum number of samples
func WithDDMOutControlLevel ¶
WithDDMOutControlLevel sets the out-of-control level
func WithDDMWarningLevel ¶
WithDDMWarningLevel sets the warning level
type DDMStatistics ¶
type DDMStatistics struct {
NumInstances int // サンプル数
NumErrors int // エラー数
ErrorRate float64 // エラー率
StdDev float64 // 標準偏差
MinErrorRate float64 // 最小エラー率
MinStdDev float64 // 最小標準偏差
WarningDetected bool // 警告検出フラグ
DriftDetected bool // ドリフト検出フラグ
}
DDMStatistics はDDMの統計情報
type DriftDetectionResult ¶
type DriftDetectionResult struct {
WarningDetected bool // Whether warning was detected
DriftDetected bool // Whether drift was detected
ErrorRate float64 // Current error rate
ConfidenceLevel float64 // Confidence level
}
DriftDetectionResult represents the result of drift detection
type DriftDetector ¶
type DriftDetector interface {
// Update は新しい値でドリフト検出器を更新
Update(value float64) bool
// Reset はドリフト検出器をリセット
Reset()
}
DriftDetector はドリフト検出器の共通インターフェース
Source Files