Answer the following questions based on this week’s reading:

What is the purpose of statistical diagnostics? (refer to Bartlett Chapter 8)
What considerations need to be made when choosing training data for machine learning algorithms? (refer to machine learning reading)
What is the purpose of cross-validation? (refer to cross validation videos)
Requirements

Use in line citations where appropriate
Include a reference list/bibliography
Minimum 300 words (total)

https://www.technologyreview.com/s/608248/biased-algorithms-are-everywhere-and-no-one-seems-to-care/ (website of machine learning reading)