In the world of IT, very few new technologies emerge that are not built on what came before, combined with a new, emerging need or idea. The history of Hadoop is no exception. To understand how Hadoop came to be, we therefore need to understand what went before Hadoop that led to its creation. To understand
In a previous article I introduced the HEATMAPCONT subroutine in SAS/IML 13.1, which makes it easy to visualize matrices by using heat maps with continuous color ramps. This article introduces a companion subroutine. The HEATMAPDISC subroutine, which also requires SAS/IML 13.1, is designed to visualize matrices that have a small
In guest lectures I give at universities, I often refer to the Harvard Business Review report which states that being a Data Scientist is the sexiest job of the 21st century. Naturally, this always seems to capture the students’ attention, and drives their enthusiasm to sit up and listen carefully.
