communicating with data
Previous : Multi-dimensional arrays, inheritance and hierarchy Short interlude: what can be done with arrays in javascript? Now that we have a grasp on how arrays work and how they can be used in protovis, let’s take a step back and look at some very useful methods for working with arrays in standard javascript. Sorting [...]
Previous post: simple arrays Multi-dimensional arrays, associative arrays and protovis Even for a simple chart, chances are that you’ll have more than a single series of numbers to represent. For instance, you could have labels to describe what they mean, several series, and so on and so forth. So, let’s say we want to add [...]
When I started using protovis I had only a very basic knowledge of javascript, which in theory isn’t a problem as protovis is meant to be learned by example, and as it has its own logic and structure which is different from typical javascript code. So I started by looking and modifying examples which was [...]
Introducing Making Data Meaningful Part 2 – Style guide on the presentation of statistics – which, as its name cleverly suggests, is a compilation of advice to present graphical information. It’s a follow up to Making Data Meaningul part 1 , which focused on writing about data, as opposed to visualize it. The book is a [...]
In the past couple of months, I have been busy maintaining a blog for OECD: Factblog. The idea is to illustrate topics on which we work by a chart which we’ll change regularly. So in order to do that, I’d have to be able to create charts of publishable quality. Excel screenshots: not a good [...]
Imagine a situation where you have data neatly stored in Excel, in a form you’re comfortable with (or stuck with) and you want to combine it to create a beautiful HTML document (or XML, TXT, you name it). For the sake of argument, let’s assume you have this spreadsheet here: and you want to create [...]