28. Quiz: Types of Ratings & Goals of Recommendation Systems

Self Check

Rating scales and recommendation system goals are good things to have in the back of your mind when you are first implementing ways to collect data and make recommendations. Test your knowledge on these topics with the quizzes below.

You want to make sure that when a user gives you an item rating you are able to clearly identify if they like the item or not, which of the following are possible rating scales for this situation? (Select all that apply)
SOLUTION:
  • 1 for like, 0 for dislike
  • Scale 1-4, where 1 is the totally dissatisfied and 4 is completely satisfied

With respect to each of the four business aspects we look to impact with a recommendation system, which aspect do each of the recommendation engines in this lesson most optimize for?
SOLUTION: relevance

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