An Ode to Lee Sedol & Groucho Marx
On a previous post I suggested it is important to be able to detect interaction in regression analysis in order to create a better model of a dependent variable. I showed that by creating a new feature (column) in my dataset that represented the known relationship between two other features, a much better multiple linear regression…
401(k) plans are a common retirement savings vehicle for people employed in the private sector in the United States. There are tax incentives for contributing to a 401(k) offered by the US government. The IRS has a great synopsis and more resources than you would ever want to dig through regarding the 401(k). A key…
Introduction and Example I have recently run into a feature engineering problem with regression analysis I have been doing at work. The issue is that not all independent variables that may be good predictors for a dependent variable are additive. Some might need to be multiplied together with some constant, or manipulated together before being…
It occasionally makes sense to sleep in a car. Sometimes it makes sense on a rainy night at a trail-head. Sometimes it makes sense for weeks on a road trip. Sometimes it makes sense because you can’t handle a morning commute tomorrow, so you commute to your office at night and sleep in the parking…