TableĀ 2

Top dominant features governing anomaly detection

RankFeatureApproximate importance scorePhysical interpretation
1smarms_std0.155Spindle vibration instability and chatter severity
2xmarms_mean0.142Sustained X-axis vibration and structural machine response
3smarms_mean0.117Continuous spindle vibration during cutting
4ymarms_max0.106Peak Y-axis vibration and transient dynamic disturbance
5ymarms_mean0.101Average Y-axis vibration during machining

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