The R package ldatuning has been used to get guidance on the optimal number of topics when fitting an LDA topic model on the GermaParl corpus. Using around 250 topics is a good choice. The data object germaparl_lda_tuning reports the different metrics of the ldatuning package.

germaparl_lda_tuning

Format

An object of class data.frame with 10 rows and 5 columns.