Tidying LDA output
We've loaded the LDA output lda_out from the previous exercise. While there are a number of things of interest in the output, the topics themselves are of general interest. Let's extract these values.
Cet exercice fait partie du cours
Introduction to Text Analysis in R
Instructions
- Print a summary of the topic model output using
glimpse(). - Tidy the matrix of word probabilities.
- Arrange the topics by word probabilities in descending order.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Glimpse the topic model output
___(___)
# Tidy the matrix of word probabilities
lda_topics <- ___ %>%
___(__)
# Arrange the topics by word probabilities in descending order
___ %>%
___(___)