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.
Diese Übung ist Teil des Kurses
Joining Data with dplyr
Anleitung zur Übung
- 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_questionsin descending order to sort the answers by the most asked questions.
Interaktive Übung
Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.
questions_with_tags %>%
# Group by tag_name
___ %>%
# Get mean score and num_questions
summarize(score = ___,
num_questions = ___) %>%
# Sort num_questions in descending order
___