Pseudo-document simulation for comparing LDA, GSDMM and GPM topic models on short and sparse text using Twitter data - Weisser, Christoph; Gerloff, Christoph; Thielmann, Anton; Python, Andre; Reuter, Arik; Kneib, Thomas; Säfken, Benjamin (Computational statistics, 2023)
Keywords: Dirichlet problem; Documents; Economic Theory/Quantitative Economics/Mathematical Methods; Mathematics and Statistics; Original Paper; Probability and Statistics in Computer Science; Probability Theory and Stochastic Processes; Simulation; Social networks; Statistics; Latent Dirichlet allocation; Covid-19; Topic models; Social media; Model evaluation; Twitter; Collapsed Gibbs sampler algorithm for the Dirichlet multinomial model; Gamma-Poisson mixture topic model; Pseudo-document simulation