Jen's Blog

SQLAlchemy: Single Table Inheritance and One-to-One Relationships

While playing around in SQLAlchemy’s ORM API I stumbled over ambiguous foreign keys when a class contained relationship references to[…]

Note: A Jupyter Notebook version of this post is available here. The San Diego County Health Department has made county-level[…]

Here is daily reported new cases in San Diego County with a Kalman filter estimate. x is the number of[…]

This post was originally written as a Jupyter Notebook. The notebook form is available here. The data was collected from[…]

UPDATE 2020-07-01: A newer plot of Rt is now included using 5 more days of testing data. Note the new[…]

Pi Day (or if you prefer, Tau Day, on June 28) is coming around again, and we will soon find[…]

This blog post shows how to create custom accessor classes for pandas DataFrames which can be used to provide an[…]