All posts of David

Over-plotting transparency

In the wonderful realm of data-visualization we enjoy the powerful method to encode our data into visual representations, such as points, lines, rectangles – the stuff regular excel charts are made of. Another visual attribute is color. Excel’s conditional formatting engine does a great job in this respect, but only comprises the formatting of worksheet cells. What if we can unleash the power […]

We’re live!

Today’s a happy day. Thursday May 26 marks the official kick-off of Simultanuously with the start of the Amsterdam Excel Summit 2016, where a host of Excel MVP’s and aficionados get together in the heart of beautiful Amsterdam – my very own stomping grounds. Tomorrow I get to present my work on data visualization and advanced charting techniques. […]