On June 6, a federal appeals court in Washington, D.C. decided to let the FCC require that cell phone carriers let customers keep their phone numbers when switching providers. This means that cell ...

Sparklines in Microsoft Excel are charts—tiny little charts that display inline with the data because they fit into a cell, usually adjacent to the data they’re evaluating. With a quick glance, not ...

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 ...

Writing software that does not involve numbers. Non-numeric programming deals with objects, such as words, board game pieces and people. See list processing. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Clustering data is the process of grouping items so that items in a group (cluster) are similar and items in different groups are dissimilar. After data has been clustered, the results can be analyzed ...