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. 2021 Jan 30;70(5):1015–1032. doi: 10.1093/sysbio/syab004

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© The Author(s) 2021. Published by Oxford University Press, on behalf of the Society of Systematic Biologists.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercialre-use, please contact journals.permissions@oup.com

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Figure 2. — Steps of the A-2SPR proposal. In step 1, the edges , along which a subtree will be moved, are selected according to Equation (7). Then, in step 2, a move among the 8 possible pruning and regrafting locations along edges is selected according to Equation (8). Splits and are identified on the resulting tree and correspond to terms and of Equation (8), respectively.

Inline graphic — Steps of the A-2SPR proposal. In step 1, the edges , along which a subtree will be moved, are selected according to Equation (7). Then, in step 2, a move among the 8 possible pruning and regrafting locations along edges is selected according to Equation (8). Splits and are identified on the resulting tree and correspond to terms and of Equation (8), respectively.