Modeling Uplift Directly: Uplift Decision Tree with KL Divergence and Euclidean Distance as Splitting Criteria

October 28, 2019

Introduction Uplift models predict the incremental effect of a treatment on the outcome of an individual. In other words, they answer the causal ques...

The Lucas Critique and the Necessity of Theory

October 16, 2019

The Lucas Critique, named after economist Robert Lucas, is a theoretical result that blew up the discipline of macroeconomics in the 1970s, and its im...

Wayfair DS Explains It All: Anurag Syal on Projection Mapping in 3D

October 3, 2019

At Wayfair, we do everything we can to help our customers find exactly the products they need to furnish their homes in the style they envision. But c...

Wayfair DS Explains It All: Lin Jia on Measuring Price Effects

September 23, 2019

Understanding price effects is of high importance to any business, but usually it's not easy to measure. To do this, Wayfair’s algorithms team has b...

Wayfair DS Explains It All: Ilkay Yildiz on Learning From Comparisons

September 16, 2019

Stylistic preference is an important factor when a home goods customer is deciding which product to buy, but it is very difficult to identify and defi...

Introducing Harmonia: Context-Aware Product Recommendation From Room Images

September 9, 2019

Introduction When looking for a new piece of furniture to add to a room, customers generally consider two major points: the visual appearance of the ...

Wayfair DS Explains It All: Samuel Yusuf on Collaborative Filtering

August 14, 2019

Wayfair sells over 10 million products on our website. This vast selection ensures that customers have numerous options when shopping for a particular...

Wayfair DS Explains It All: Jerry Chen on A/B Test Measurement Validation

July 25, 2019

Experimentation plays a central role in understanding the business impact of data science strategies and solutions. A few weeks ago, Wayfair Data Scie...

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