Guillaume Saint-Jacques

Posts by Guillaume Saint-Jacques

  • open-sourcing-our-spark-inequality-a-b-testing-library

    Bringing Project Every Member to life: Open sourcing our Spark inequality A/B testing library

    May 26, 2020

    Co-authors: Guillaume Saint-Jacques, Stuart Ambler Last month on this blog, we introduced how we are building inclusive products through A/B testing, something we internally call Project Every Member, and discussed the novel application of inequality A/B testing using the Atkinson index and the use of this technique in the product design process at LinkedIn....

  • building-inclusive-products-through-a-b-testing

    Building inclusive products through A/B testing

    March 31, 2020

    Co-authors: Guillaume Saint-Jacques, Amir Sepehri, Nicole Li, and Igor Perisic Introduction Previously on this blog, we’ve shared information on best practices in data science, particularly in areas such as A/B testing. We’ve also discussed the importance of ethics in fields such as data science, early implementations of “fairness by design” principles in our...

  • cluster-illustration

    Detecting interference: An A/B test of A/B tests

    June 5, 2019

    At LinkedIn, most decisions are made using experiments. When we want to decide between two features, we test them against each other in the real world: we give feature A to a random set of members, feature B to another set, and we compare the results. Are users of feature A more engaged? Do they have a better experience with our products? If so, feature A wins....