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Multi-label prediction for political text-as-data

Erlich, Aaron, Dantas, Stefano G., Bagozzi, Benjamin E., Berliner, Daniel and Palmer-Rubin, Brian (2021) Multi-label prediction for political text-as-data. Political Analysis. ISSN 1047-1987

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Identification Number: 10.1017/pan.2021.15

Abstract

Political scientists increasingly use supervised machine learning to code multiple relevant labels from a single set of texts. The current "best practice"of individually applying supervised machine learning to each label ignores information on inter-label association(s), and is likely to under-perform as a result. We introduce multi-label prediction as a solution to this problem. After reviewing the multi-label prediction framework, we apply it to code multiple features of (i) access to information requests made to the Mexican government and (ii) country-year human rights reports. We find that multi-label prediction outperforms standard supervised learning approaches, even in instances where the correlations among one's multiple labels are low.

Item Type: Article
Official URL: https://www.cambridge.org/core/journals/political-...
Additional Information: © 2021 The Authors
Divisions: Government
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
J Political Science > JA Political science (General)
Date Deposited: 02 Jul 2021 10:09
Last Modified: 20 Aug 2021 01:11
URI: http://eprints.lse.ac.uk/id/eprint/110971

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