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Open Access

Correction

Correction: Exact and Metaheuristic Approaches for a Bi-Objective School Bus Scheduling Problem

  • Xiaopan Chen,
  • Yunfeng Kong,
  • Lanxue Dang,
  • Yane Hou,
  • Xinyue Ye
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There is an error in the last sentence of the eighth paragraph of the “4.1. Results for HOMO and HETERO instances” subsection of the Computational Results section. The correct sentence is: In addition, compared with the solution results in literature [25], our SA-heuristic algorithm outperforms Kim’s heuristic algorithm in terms of the number of buses and the total travel distance; for large instances homo60~homo100, on average, the number of buses and the total travel distance are reduced by 2.35% and 7.84% respectively.

In Table 6, there are errors in columns Dbest and Dgap(%) in rows homo60, homo70, homo80, homo90, homo100 and Average. In Table 7 there are errors in columns Dbest and Gap2 in rows hetero30, hetero50, hetero60, hetero70, hetero90, hetero100. Please see the corrected Tables 6 and 7 here.

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Table 6. Heuristic results for the homogeneous fleet instances.

https://doi.org/10.1371/journal.pone.0153614.t001

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Table 7. Heuristic results for the heterogeneous fleet instances.

https://doi.org/10.1371/journal.pone.0153614.t002

Reference

  1. 1. Chen X, Kong Y, Dang L, Hou Y, Ye X (2015) Exact and Metaheuristic Approaches for a Bi-Objective School Bus Scheduling Problem. PLoS ONE 10(7): e0132600. pmid:26176764

Citation: Chen X, Kong Y, Dang L, Hou Y, Ye X (2016) Correction: Exact and Metaheuristic Approaches for a Bi-Objective School Bus Scheduling Problem. PLoS ONE 11(4): e0153614. https://doi.org/10.1371/journal.pone.0153614

Published: April 7, 2016

Copyright: © 2016 Chen et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.