Tag Archives: peter attia

402709 01: Stadium employees remove letters from one of the Enron Field signs March 21, 2002 in Houston, TX. The Houston Astros paid $2.1 million to get back the naming rights to their stadium from collasped energy trader Enron. (Photo by James Nielsen/Getty Images)

Dear Analyst #87: What we can learn about Enron’s downfall from their internal spreadsheet errors

Everyone is probably familiar with the 600,000 emails released by Enron after their scandal right at the turn of the century. A lot of different analyses was done on those emails, but there’s one interesting analysis that I didn’t see until recently: the emails with spreadsheets as attachments. Felienne Hermans, a computer scientist at Delft […]

Dear Analyst #63: Cleaning Bitcoin Tweet data with OpenRefine, a free and open source alternative to Power Query

Numerous studies claim that data scientists spend too much time cleaning and preparing data (although this article claims it is a bullshit measure). I agree with some points in that article in that you should get your hands dirty with cleaning data to understand what eventually goes into the analysis. You may already be cleaning […]