Machine Learning for Business

Chapter 5. Should you question an invoice sent by a supplier?

This chapter covers

• What’s the real question you’re trying to answer?
• A machine learning scenario without trained data
• The difference between supervised and unsupervised machine learning
• Taking a deep dive into anomaly detection
• Using the Random Cut Forest algorithm

Brett works as a lawyer for a large bank. He is responsible for checking that the law firms hired by the bank bill the bank correctly. How tough can this be, you ask? Pretty tough is the answer. Last year, Brett’s bank used hundreds of different firms across thousands of different legal matters, and each invoice submitted by a firm contains dozens or hundreds of lines. Tracking this using spreadsheets is a nightmare. ...