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 ...

How to highlight details for better insight with sparkline charts in Excel Your email has been sent The recent article, How sparklines deal with non-numeric values in Excel shows you how to avoid ...

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 ...