xin xueThe dots between implementation and math for OLSPeople tend to respond very differently to the same question, “what is a linear regression model?” A mathematician is likely to answer, it…Aug 26, 2019Aug 26, 2019
xin xueDon’t settle with APIs, Requests or even BS4. Try Selenium!JSON files associated with APIs are handy in many situations. These data generally have well-defined headers. Observations are typically…Aug 12, 2019Aug 12, 2019
xin xueCurses in Public Data: 10 Handy Tricks in Data Cleaning and ManipulationA well-cleaned dataset can be a treasure, or a curse.Jul 28, 2019Jul 28, 2019