Portrait of Stephen H. Yu

Stephen H. Yu

Stephen is president and chief consultant at Willow Data Strategy.


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Why Data Scientists Must Act as Mediators and Translators Between IT and Marketing

Performance Marketing

Analysts must reconcile teams that can sometimes seem to be speaking different languages.

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Collecting Rare Personas

General

It’s encouraging that more marketers are considering the use of personas for the purpose of personalization. The traditional segmentation technique has its limitations, as it tends to pin the target [...]

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How to Deal With Missing Data: Databases, Zeroes and Imputation

General

Even in this age of ubiquitous computing where all kinds of data constantly flow around all of us through every conceivable electronic device, knowing everything about everyone all the time [...]