The sun has gone eerily quiet, in the middle of what should be the height of the 11-year sunspot cycle... Here's a superb photo of some sunspots that Stephen A. Carr posted to the Telescope Addicts Facebook group - a group which I follow with great interest. (Thanks for allowing
This post could be titled something like "Everything you wanted to know about Group Order in GTL - and more." The group ordering shows up in three different ways in your graph. Assignment of attributes (color, marker symbol) to group values. Position of group values in the graph. Display of the group
Although I’m not particularly excited about football (I admit, I don’t completely understand what offside means), I did follow the last World Cup with more than average attention. Not only for the handsome players, but especially for all the fascinating statistics that appeared. It struck me that heat maps popped
