Yahoo Webscope Anomaly Detection

Analyzing time series anomalies in real-world data

Analyst

Total Data Points

67,000

Anomalies Detected

1,450

Detection Accuracy

92.3%

Processing Time

1.2s

Time Series with Anomaly Detection

Recent Anomalies

Timestamp Value Expected Deviation Type
2023-05-15 14:30 142.56 98.23 +45.1% Spike
2023-05-12 09:15 32.11 68.45 -53.1% Drop
2023-05-10 18:45 215.78 102.34 +110.8% Spike
2023-05-08 11:20 45.67 72.89 -37.3% Drop
2023-05-05 16:10 178.92 95.67 +87.0% Spike

Model Performance

Precision 89.2%
Recall 92.3%
F1 Score 90.7%

Confusion Matrix

Predicted Anomaly
Predicted Normal
Actual Anomaly
1,234 (TP)
102 (FN)
Actual Normal
114 (FP)
65,550 (TN)

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