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Figure E Data validation rejects this input value because it contains a non-numeric character. Entering 12345678 and 12345678901 will also fail data validation.
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 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.