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. 2021 Aug 17;23(8):1064. doi: 10.3390/e23081064

Algorithm 2 Perturbation duration.

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procedurePertDuration( $y, y_{o c c}, T_{M A E}$ )
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$w_{s i z e} \leftarrow d$ ▹ user-defined size
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$m a e_{l} \leftarrow$ empty list
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$s \leftarrow$ Segment( $y, w_{s i z e}$ )
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$s_{o c c} \leftarrow$ Segment( $y_{o c c}, w_{s i z e}$ )
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for all $s^{i} \in s$ do
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$ϵ \leftarrow$ mae( $s^{i}, s_{o c c}^{i}$ )
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Append $ϵ$ to $m a e_{l}$
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end for
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$w_{c} \leftarrow 0$
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for all $ϵ \in m a e_{l}$ do
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if $ϵ > T_{M A E}$ then
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$w_{c} \leftarrow w_{c} + 1$
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end if
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end for
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return $w_{c}$ ▹ n. windows with MAE > $T_{M A E}$
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end procedure