How to Build an Email Sentiment Analysis Bot: An NLP Tutorial

Today, with machine learning and large amounts of data harvested from social media and review sites, we can train models to identify the sentiment of a natural language passage with fair accuracy.
In this tutorial, you will learn how you can build a bot that can analyze the sentiment of emails that it receives and notify you about emails that may require your attention immediately.

A Few Tricks in the Bag of a Credit Risk Modeler

I revealed solutions you can’t find in any popular textbook that I have applied for problems faced while developing credit risk models. Credit risk models predict whether a borrower will pay their loan back, and people like me in effect decide if you will be approved for a credit card or a mortgage loan. Statistical classification algorithms work best for such problems with a binary outcome. In particular, the logistic regression is preferred in practice due to its quantification of a probability of default between 0 and 1.