Wow, you've come a long way in this chapter. You've now acquainted yourself with 3 machine learning techniques. Let's see if you understand the difference between these techniques. Which ones are supervised, and which ones aren't?
From the following list, select the supervised learning problems:
(1) Identify a face on a list of Facebook photos. You can train your system on tagged Facebook pictures.
(2) Given some features, predict whether a fruit has gone bad or not. Several supermarkets provided you with their previous observations and results.
(3) Group DataCamp students into three groups. Students within the same group should be similar, while those in different groups must be dissimilar.