Comparing scores across tags
The complete dataset you created in the last exercise is available to you as questions_with_tags
. Let's do a quick bit of analysis on it! You'll use familiar dplyr verbs like group_by
, summarize
, arrange
, and n
to find out the average score of the most asked questions.
This exercise is part of the course
Joining Data with dplyr
Exercise instructions
- Aggregate by the
tag_name
. - Summarize to get the mean score for each question,
score
, as well as the total number of questions,num_questions
. - Arrange
num_questions
in descending order to sort the answers by the most asked questions.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
questions_with_tags %>%
# Group by tag_name
___ %>%
# Get mean score and num_questions
summarize(score = ___,
num_questions = ___) %>%
# Sort num_questions in descending order
___