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.
Este exercício faz parte do curso
Introduction to Text Analysis in R
Instruções do exercício
- 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.
Exercício interativo prático
Experimente este exercício completando este código de exemplo.
# Glimpse the topic model output
___(___)
# Tidy the matrix of word probabilities
lda_topics <- ___ %>%
___(__)
# Arrange the topics by word probabilities in descending order
___ %>%
___(___)