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 ...

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 ...

contains only numbers, and sometimes a decimal point and/or minus sign. When they are read into a SAS data set, numeric values are stored in the floating-point format native to the operating ...

Here's a complete end-to-end demo of what Dr. James McCaffrey of Microsoft Research says is arguably the simplest possible classification technique. The goal of a machine learning classification ...

TEXT stores character data of variable length up to two gigabytes. SAS supports the TEXT data type provided in SYBASE; however, SAS only allows a maximum of 32,767 bytes of character data.

Data visualization is a process in data analytics where visual representation communicates the data and insights to facilitate good data-driven decisions. Basically, data visualization is ...