Ronald Benz Zhang
unread,Feb 1, 2023, 9:20:59 AM2/1/23Sign in to reply to author
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to Gensim
According to Hoyle et al. (2021) in their paper "Is Automated Topic Model Evaluation Broken?: The Incoherence of Coherence", the calculation of coherence scores can vary depending on the reference corpus used.
"As a result, the choice of reference corpus determines the strength of human correlation (Lau et al., 2014; Röder et al., 2015)."
Can you tell me which reference corpus Gensim uses for calculating NPMI? Thank you.