Heatmap on Visual Cinnamon

How to create a hexagonal heatmap in R

Wed, 13 Nov 2013 00:00:00 +0000

Like I wrote in one of my previous posts on the creation of a “self organizing map” program in R, I really wanted the results of a SOM visualized in a hexagonal heatmap, so I wrote my own piece of code for it.

Adding boundaries inside a hexagonal heatmap with d3.js

Tue, 23 Jul 2013 00:00:00 +0000

In the previous post I explained how to create a hexagonal heatmap. For example to use as output for a self organizing map. I like to create rather large maps with a lot of hexagons if I have enough data. It gives the idea of a high resolution. In that case it’s very useful to divide the entire map into a manageable number of higher level segments.

Creating hexagonal heatmaps with d3.js

Mon, 22 Jul 2013 00:00:00 +0000

In my previous post I spoke a bit about a program I wrote in R that helps me perform self organizing map (SOM) analyses and create heatmaps. From the cleaned data file all the way to the visualization and analysis of the heatmaps.

On the creation of a “self organizing map” program in R

Mon, 22 Jul 2013 00:00:00 +0000

I’ve been using self organizing maps (or SOM) to analyse client data for more than a year now. In the beginning I tried some commercial software, but I did not like the fact that it was too easy to just randomly click some buttons and a map showed up. I wanted to know what was happening under the hood.