John D. Cook
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John D. Cook

John helps companies make better decisions by taking advantage of the data they have, combining it with expert opinion, creating mathematical models, overcoming computational difficulties, and interpreting the results. Connect with John on his website or on Twitter.

How Many Bugs Are Left? The Software QA Puzzle

If software QA began with a specific number of bugs, it might be easier to find all the issues. For example, many puzzle books show you a drawing and ask you to find an exact number of hidden objects. Or, they show you a pair of drawings and ask you to spot a certain number...