Of the following examples, which would you address using an unsupervised learning algorithm?
a. Given email labeled as spam/not spam, learn a spam filter.
b. Given a set of news articles found on the web, group them into sets of articles about the same stories.
c. Given a database of customer data, automatically discover market segments and group customers into different market segments.
d. Given a dataset of patients diagnosed as either having diabetes or not, learn to classify new patients as having diabetes or not.
Answer to the question ‘of the following examples, which would you address using an unsupervised learning algorithm’ are:
b. Given a set of news articles found on the web, group them into sets of articles about the same stories.
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c. Given a database of customer data, automatically discover market segments and group customers into different market segments.