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Isaac Gerber

Isaac Gerber

Data Science Manager at Meta; economist and creator of diff-diff, an open-source Python library for causal inference analysis

Jul 13, 2026

6:27
In terms of the real mechanism or changing some things in ways that are not maybe really intentional in terms of the operator of the systems, right? So going back to the question, what will be some of the advantages in your particular setup that you think helped you sidestep these limitations or address them?
6:45
Yeah, I definitely am not sidestepping them.
6:49
It's definitely things that I'm coming up against.
6:52
And in addition to things that you've identified, there's also that the models themselves are changing.
6:58
And so even if you've addressed a problem today, or you think you've addressed it, that it may rear its ugly head in a different way in the next version.
7:07
And so there's things that I've built up over time in how I approach this work that has really helped.
7:16
And there's, I'd say at this point, there's probably four core areas in the workflow that are ensuring that ultimately the estimators are reliable and trustworthy.

16 MINS LATER

23:33
How do you deal with this? Because warnings, I mean, of course they can be annoying, but sometimes, especially when we work with, I don't know, causal inference projects, right? A warning that maybe you have a convergence problem for your optimizer, this might be a very useful and very important diagnostic or even a signal that something is wrong in your pipeline, or maybe the method you are using is not optimal for the case you are trying to

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