Semantic Coherence: Mimno et al. (2011)

Mimno, David et al. 2011. “Optimizing Semantic Coherence in Topic Models.” In Proceedings of the 2011 Conference on Empirical Methods in Natural Language Processing, Edinburgh, Scotland, UK.: Association for Computational Linguistics, 262–72. https://aclanthology.org/D11-1024.

semantic_coherence(x, docs, n = 10)

Arguments

x

the output from a keyATM model (see keyATM()).

docs

texts read via keyATM_read().

n

integer. The number terms to visualize. Default is 10.

Value

A vector of topic coherence metric calculated by each topic.

Details

Equation 1 of Mimno et al. 2011 adopted to keyATM.