Analysis on incentive program effectiveness on transaction volume

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What is it?

Let's pick a simple metric (transactions) and see how different incentive programs stack up. Basically, we want Amplitude / Mixpanel style cohort analysis on transaction volumes before and after the incentive program.

See here and here for inspiration

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Included here as well as imported scripts: https://github.com/opensource-observer/insights/blob/main/analysis/optimism/longitudinal/20241029_IncentivesImpact.ipynb