Clustering non-numeric -- or categorial -- data is surprisingly difficult, but it's explained here by resident data scientist Dr. James McCaffrey of Microsoft Research, who provides all the code you ...

An interview with Dr. Eshan Mitra, discussing the importance of computer models in biology and the development of a more accurate model of the RAF phosphorylation pathway.

Sparklines are small charts that fit into a single Microsoft Excel cell. But if you're tracking non-numeric data, they can exhibit weird behavior. Learn how to avoid problems when using sparklines.

Clustering non-numeric -- or categorial -- data is surprisingly difficult, but it's explained here by resident data scientist Dr. James McCaffrey of Microsoft Research, who provides all the code you ...