Get startedGet started for free

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

View Course

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
  ___
Edit and Run Code