Anomaly Detection for Time Series with Difference Rate Sample Entropy and Generative Adversarial Networks

Table 4

Statistical characteristics of different entropy series.

Entropy category	Normal pattern			Anomaly pattern
	Max	Min	Mean	Min	Max	Mean	Threshold
Shannon entropy	2.5792	3.3219	3.0829	1.1934	2.6592	2.0399	111
Sample entropy	0.0206	0.7082	0.4911	0.7255	1.7987	1.1750	62
Permutation entropy	1.5551	2.4905	2.1563	1.3868	2.3655	1.8601	80