Correction to: Nature Machine Intelligence https://doi.org/10.1038/s42256-019-0071-y, published online 9 July 2019.
In the first correction to this Article, where it indicated that σ should have been σi, in fact, it should have been {σi}. The Article has been corrected accordingly.
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Kawamoto, T., Aoki, T. Publisher Correction: Democratic classification of free-format survey responses with a network-based framework. Nat Mach Intell 1, 383 (2019). https://doi.org/10.1038/s42256-019-0090-8
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DOI: https://doi.org/10.1038/s42256-019-0090-8
