Apptivate: App Marketing Explained podcast

Data Science: Advanced Modeling for Mobile - Suresh Pillai

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Suresh Pillai is a theoretical physicist by training and the Vice President of Data at Beat. Beat is an information and technology services company that created a ride-hailing and taxi mobile app. Beat claims to be the fastest growing app in Latin America (p.s. they’re hiring).

Questions Suresh Answered in this Episode:

  • How do you approach mobile data science from your theoretical physics perspective?
  • How have you used uplift modeling or incrementality?
  • Define propensity in the context of uplift modeling.
  • Can you explain in more detail the marketing settings you never turn off?
  • What is the difference between how people use uplift modeling, incrementally, and other causal machine learning?
  • Do you have any tips for people to make sense of attribution in the complex setting of multi-touch marketing?
  • We’re losing unique identifiers for users with the change to iOS14. What does this change for you? Has it been a problem? And do you think there’s a role for marketing mix models here?
  • What are the most interesting insights you’ve seen from incrementality models? What really surprised you? What changed your view on how customers are acting?

Timestamp:

  • 0:41 Suresh’s background & complexity science
  • 2:14 A physicist’s view of complex systems in mobile data science
  • 5:03 The granularity of incrementality and uplift modeling
  • 6:05 Sure things, persuadables, lost causes, and sleeping dogs
  • 11:31 Uplift modeling when there is no baseline
  • 13:31 Uplift vs causal vs attribution models
  • 16:48 What people get wrong with multi-touch attribution
  • 25:44 Dealing with the challenge of the iOS14 update
  • 27:50 The role of marketing mix modeling
  • 33:51 Validation: Engaging customers after conversion

Quotes:

(2:25-2:52) “When you’re thinking about any system, especially a complex system, and you’re given a problem, you need to decide which level of granularity you choose to model and understand that system. So different levels enable different insights, but it’s also a practical thing. If it’s a really complex system it may be too much to understand at the atomic level. What I say is you can’t predict anything at the atomic level because there’s too much going on. And we know this in physics, too.”

(24:23-24:35) “When I come to a website, I don’t care what channel I came through. I don’t think about it consciously. There’s no reason to organize how you measure incrementality based on channels. Channels don’t exist. Customers exist.”

Mentioned in this Episode:

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