Calculating Permutation Entropy without Permutations

Table 2

Comparison of permutation entropy (PE) and arithmetic entropy (AE) for embedding delay .

	PE	AE		PE	AE
S1	2.497	3.684	S1	4.390	6.165
S2	2.368	2.919	S2	4.187	5.238

Entropy is given in bits.