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.
This exercise is part of the course
Introduction to Text Analysis in R
Exercise 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.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Glimpse the topic model output
___(___)
# Tidy the matrix of word probabilities
lda_topics <- ___ %>%
___(__)
# Arrange the topics by word probabilities in descending order
___ %>%
___(___)