Harlan D. Harris
open-menu closeme
Publications
About
Medium
github linkedin stackoverflow twitter
  • Communicating A/B Test Results for Conversion Rates with Ratios and Uncertainty Intervals

    calendar Aug 20, 2022 · 8 min read · a/b testing data science statistics  ·
    Share on: twitter facebook linkedin copy

    A/B testing is a tool for supporting decision-making in business, and so in addition to getting the statistics right, it’s really important to communicate well with the non-statisticians who will have the final say on the go/no-go decision. Most A/B tests in practice are testing ratios, conversion rates of various …


    Read More
  • A/B Testing and Product Ratings, Part 2: Multiple Ratings

    calendar May 23, 2022 · 3 min read · data science analytics business statistics a/b testing  ·
    Share on: twitter facebook linkedin copy
    Image not found

    Web path: https://www.harlan.harris.name/images/path/thumbnail.png

    Disk path: static/images/path/thumbnail.png

    Using Page Bundles: false

    Second, your A/B test split users, but you’re measuring ratings, which are per-item. Some customers will buy multiple pairs of shoes, and most likely will either rate all of them or none of them. Does this fact affect how confident you can be at the end of the experiment? Randomization Unit Mis-Match A/B tests are …


    Read More
  • A/B Testing and Product Ratings, Part 1: Delays and Bias

    calendar May 22, 2022 · 7 min read · data science analytics business statistics a/b testing  ·
    Share on: twitter facebook linkedin copy

    Suppose you’re a data scientist at an e-commerce web site that sells shoes, responsible for supporting A/B tests. Many A/B tests are easy, and there are a number of companies that sell tools that make the easy cases as simple as clicking a few buttons and looking at pretty graphs. But A/B tests can get statistically …


    Read More

Featured Posts

  • Communicating A/B Test Results for Conversion Rates with Ratios and Uncertainty Intervals
  • Staff Data Scientist: Comments on Will Larson's Staff Engineer Book

Recent Posts

  • Communicating A/B Test Results for Conversion Rates with Ratios and Uncertainty Intervals
  • Staff Data Scientist: Comments on Will Larson's Staff Engineer Book
  • A/B Testing and Product Ratings, Part 1: Delays and Bias
  • New Publications and Upcoming Talks
  • Stovetop Smoked Chinese Fish
  • How I Rewrite Recipes
  • On moving my blog from Wordpress to Blogdown
  • On How and When to Teach Layers of Abstraction in Programming

Categories

PROFESSIONAL 35 PERSONAL 13

Tags

DATA-SCIENCE 22 R 14 ANALYTICS 12 CONFERENCES 7 STATISTICS 7 MACHINE-LEARNING 6 OPERATIONS-RESEARCH 6 PROGRAMMING 6 BUSINESS 5 MEETUP 5 JOB-TITLES 4 META 4 RECIPES 4 A/B-TESTING 3
All Tags
A/B-TESTING3 ADVERTISING2 ALGORITHMS2 ANALYTICS12 BIKESHARE1 BLUETOOTH1 BUSINESS5 CIVIC-HACKING1 COMPUTER-SCIENCE1 CONFERENCES7 COOKING1 COOKING-CLUB2 CSA3 DATA1 DATA-SCIENCE22 DATAVIZ2 DESSERT1 ETHICS2 FOOD2 GADGETS3 GGPLOT23 GRAPHICS3 HACKATHON2 HOUSING1 INTERNET2 JOB-TITLES4 JOURNALISM1 MACHINE-LEARNING6 MANAGEMENT3 MARKETING2 MEDIA1 MEETUP5 META4 MICROECONOMICS1 MONEY1 MP31 OPEN-DATA1 OPERATIONS-RESEARCH6 OPTIMIZATION1 PHONES1 PREDICTIVE1 PROGRAMMING6 R14 RECIPES4 REPORTING1 SCALING1 SHINY2 SMARTPHONES2 SMARTWATCHES1 SOFTWARE-ARCHITECTURE3 SOFTWARE-ENGINEERING2 STATISTICS7 SURVEY2 TEACHING1 TECHNOLOGY2 TELEVISIONS1 UI-INTEGRATION1 VIDEO1 VISUALIZATION2 WASHINGTON-DC1
[A~Z][0~9]
Harlan D. Harris

Copyright 2009-  HARLAN D. HARRIS. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License

to-top