PyData Seattle 2015 – Simulation, PySpark and Deep Learning Tutorials
One month ago, I got an email from a colleague: The subject of his email was a single word: PyData The email had a single EventBrite.com URL. Intrigued, I clicked… and that’s when my adventure into PyData began. In this post, …
What is an exchangeability martingale?
Exchangeability martingales can be used to find strange or odd data points. The mechanics of exchangeability martingales is still a bit of a mystery to me. However, posted below are the basic components and how each step gets us to …
Broken link checker analysis with R
You’ve found a few broken links on your blog or web site, and now you wonder whether there are more. Here’s a quick way to get a sense of how big the problem is. You could basically take 2 different …
R set working directory using copy and paste
After using Windows Explorer to navigate to a directory, I just want to copy and paste the directory in R, but I get this error: I used the setwd() function and pasted the directory, but there is an answer! By …
SQL stress test: Simulate full database
Simulating a full database is a beautiful stress test, but how the heck can this be done quickly with SQL Server? A full database is likely never encountered during development and probably completely forgotten during testing (it was in our …
