Don't listen to anyone who tells you that the VALUE function in Microsoft Excel is obsolete. You'll probably seldom need to use it on its own, but when combined with other functions, it's still as ...

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 ...

Dr. James McCaffrey of Microsoft Research presents a full-code, step-by-step tutorial on a "very tricky" machine learning technique. Data clustering is the process of grouping data items together so ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. You’re probably familiar with surveys that ask you to rate yourself on a scale ...