New answers tagged

2 votes

Lost human names after 'Lemmatization' for topic modeling in python

Names qualify as a 'PROPN' postag. Adding it to the allowed_postags list should likely fix the issue.
user avatar
  • 366
1 vote

document similarity using LDA probabilities

A LDA model provides for every document $d$ the posterior probabilities $p(z|d)$ for $d$ to belong to any topic $z$. These values form a distribution across topics $z_1,..,z_n$. So obtaining which ...
user avatar
  • 22.1k
0 votes

Topic alignment / topic modelling

Topic Modeling Topic modeling is a technique for taking some unstructured text and automatically extracting its common themes, it is a great way to get a bird's eye view of a large text collection. ...
user avatar
  • 2,376

Top 50 recent answers are included