If you have experience with R or want a quick way to generate a regression with statsmodels using a pandas DataFrame, you can use R-style formulas. First, you need to import statsmodels and its ...

In a recent write-up, [David Delony] explains how he built a Wolfram Mathematica-like engine with Python. Core to the system is SymPy for symbolic math support. [David] said being able to work with ...

The iQRM Warm-Ups are short, half hour sessions that review the basics covered in iQRM. This is a tour of the foundational math without application. The seminar covers probability, the normal ...

An asteroid is the most likely reason the dinosaurs went extinct—but could something similar happen to us? A new study has compared the likelihood of a devastating asteroid impact to other causes of ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Required minimum distributions (RMD) are mandatory withdrawals seniors must take from their retirement accounts starting at age 73. RMDs are not a set dollar amount. Rather they're a sliver of your ...

An inversion of the yield curve—a chart plotting returns on debt of various maturities—historically has been a sign that a recession is on the way.

Thanks to the author for open source this great work. I'm confused about calculating the normal of a point in the code: in the parer， point normal is computed in following formula: There is a big gap ...