Zach Flynn

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Read my blog at https://goodenoughstatistics.com and/or follow links to individual posts below for my short writing.

Experimentation

  1. It Takes Too Long To Experiment.
  2. Experimentation is a reasonable tax.
  3. Stop the Count! Why Putting A Time Limit On Metrics Is Critical for Fast and Accurate Experiments
  4. Scale Experiment Decision-Making with Programmatic Decision Rules
  5. Does It Matter That Online Experiments Interact?
  6. Instead Of Testing For Sample Ratio Mismatch (SRM), Correct For It
  7. Losing Is The Value Of Experimentation
  8. Bounds on Long Run Treatment Effects via d-Surrogacy
  9. Peeking Not Considered Harmful
  10. The Best Way To Do Sample-Sizing For An Experiment
  11. Use Decision Theory to Choose Significance Levels for Experiments
  12. Making Social Decisions from Experiments: Convincing the Skeptic
  13. Accelerating Online Experiments that Target Quantile Treatment Effects

Pricing, Economics, and Identification

  1. Combining Structural Models And Causal Inference Methods
  2. Which Companies Will Replace Us With AI Robots?
  3. The Tariff Calculation and Bad Goals
  4. Parametric estimation vs identification
  5. Should we compute confidence intervals for partially identified parameters?
  6. RICE Scoring: an economic model
  7. Making inference on optimization problems

Statistics and Causal Inference

  1. In Defense of Statistical Significance
  2. A simple workhorse method for picking regression specifications
  3. Outliers
  4. High Velocity Metrics!
  5. Monotone Trends for the Difference in Difference Setup
  6. Trending towards significance
  7. Central Limit Theorems and the Deeper Naivete
  8. Estimating Logistic Regressions with Linear Regressions

Personal Blogging (Navel-Gazing)

  1. Medium and Substack
  2. Dog Food and Causal Inference
  3. 18 Years of Wireless Connections
  4. A 1950s Science Fiction Book About Remote Work
  5. Know where the time went

Advice

  1. How to Become a Data Scientist in 2025