Sha256: 9bcf31ed44f01eb0f35096297c35c62df592cb41a3aeb410c071707437fcf9c0
Contents?: true
Size: 791 Bytes
Versions: 14
Compression:
Stored size: 791 Bytes
Contents
Blazer.register_anomaly_detector "anomaly_detection" do |series|
anomalies = AnomalyDetection.detect(series.to_h, period: :auto)
anomalies.include?(series.last[0])
end
Blazer.register_anomaly_detector "prophet" do |series|
df = Rover::DataFrame.new(series[0..-2].map { |v| {"ds" => v[0], "y" => v[1]} })
m = Prophet.new(interval_width: 0.99)
m.logger.level = ::Logger::FATAL # no logging
m.fit(df)
future = Rover::DataFrame.new(series[-1..-1].map { |v| {"ds" => v[0]} })
forecast = m.predict(future).to_a[0]
lower = forecast["yhat_lower"]
upper = forecast["yhat_upper"]
value = series.last[1]
value < lower || value > upper
end
Blazer.register_anomaly_detector "trend" do |series|
anomalies = Trend.anomalies(series.to_h)
anomalies.include?(series.last[0])
end
Version data entries
14 entries across 14 versions & 3 rubygems