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Cross-validation in finance, psychology, and political science

A large chunk of machine learning (although not all of it) is concerned with predictive modeling, usually in the form of designing an algorithm that takes in some data set and returns an algorithm (or sometimes, a description of an algorithm) for making predictions based on future data. 2,002 more words


Coffee Q&A

This week {perth·coffee·project} launches a new feature which examines the most important factor in Perth’s specialty coffee scene: you. We chat to every-day-coffee-drinkers about their love of coffee and reveal their deepest, darkest caffeinated secrets. 558 more words


The Prize and The Quest

One of my best reads ever: Daniel Yergin’s The Prize: The Epic Quest for Oil, Money, and Power. I read it in 1993, two years after it was published. 498 more words


CA Attitude: Survive and Thrive

My goal for this web page is to show others fighting the good cancer fight that there are wonderful resources to help you to  survive and to thrive. 115 more words


The best ways to invest $5,000

You’ve padded your emergency fund, paid off your debt and saved up a few thousand dollars — $5,000 to be exact — that you’re ready to invest. 1,317 more words


Special Report: How the U.S. made its Putin problem worse


In September 2001, as the U.S. reeled from the terrorist attacks on the World Trade Center and the Pentagon, Vladimir Putin supported Washington’s imminent invasion of Afghanistan in ways that would have been inconceivable during the Cold War. 2,948 more words


Random Art: Snoozy Sunday "Update" Just Means More Trees...

I decided to stay in today, nice weather aside. I had some more cleaning to do, so some of that was taken care of, but otherwise, it was a pretty lazy Sunday. 128 more words