Category Archives: Data Science

Posts about data science topics.

Which Independent Variables Belong in a Regression Equation? We Don’t All Agree, But Here’s What I Do.

Little table of X Y Pairs with a Regresion Diagram with Least Squares Line

During my failed attempt to get a PhD from the University of South Florida, my doctor friend asked me one day to build a linear regression model using a small dataset he had collected from a lab. He had measurements of these “new” chemical messengers called cytokines – so that definitely dates this story! I […]

Unsupervised Algorithms are like Unsupervised Kids: Be Careful, or They will Drag You Into the Headlines!

Victorian drawing of several unsupervised children starting a bonfire

Someone should have told that to this Chinese dad before his toddler jumped in their SUV and drove around looking for him until he had an accident! And precocious kid and dad are not the only unsupervised things in the news today. Another thing hit all over the morning news drive today in the US: […]