Learning on the Move

    Probably the most interesting reactions I get (and that's saying a lot) is when I tell people that I teach on a cruise. "A cruise? Like on a ship, or something? Like, a regular cruise?" Yes, I'll reply, THAT kind of cruise. At first, people laugh, but then you can see the wheels …

Data Wrangling – ELT not ETL

In Data Science, we most often use Extract, Load and Transform (ELT) as opposed to Extract, Transform and Load (ETL) that you see most often in Business Intelligence (BI). There are a couple of reasons for this. First, in many BI solutions you have a few data sources that you are integrating into a historical …