Archive - Practical Data Science

Data Intuition Case Study: Grain-free Dog Food

My vet told me I should stop feeding my dog grain-free dog food.

Feb 18, 2022 •

June 2021

Getting Credit for Invisible Work

Last month I gave a talk at csv,conf on "Getting Credit for Invisible Work".

Jun 4, 2021 •

April 2021

Opportunity Sizing - Is the Juice Worth the Squeeze?

My peers at Mozilla are running workshops on opportunity sizing. If you're unfamiliar, opportunity sizing is when you take some broad guesses at how…

Apr 15, 2021 •

January 2021

Controlled Experiments - Why Bother?

I spent some time earlier this year orchestrating a massive experiment for Firefox.

Jan 7, 2021 •

Conversations about the soft side of Data Science

Welcome to Practical Data Science by me, Ryan Harter.

Jan 6, 2021 •

December 2020

Leading with Data - Cascading Metrics

Leading with Data - Cascading Metrics

Dec 9, 2020 •

October 2020

Defining Data Intuition

Last week, one of my peers asked me to explain what I meant by "Data Intuition", and I realized I really didn't have a good definition.

Oct 20, 2020 •

A year or so ago, I read this article about how Wells Fargo ended up in such a mess.

Oct 7, 2020 •

July 2020

What do you take home?

Every other week, I go through my todo list and decide where I should focus my attention.

Jul 10, 2020 •

June 2020

Post hoc, ergo propter hoc

Economists have a handy phrase to describe a fairly common fallacy: "Post hoc ergo propter hoc" meaning "After, therefore because".

Jun 17, 2020 •

December 2019

I'm ramping up on a project to understand how Firefox retains users.

Dec 13, 2019 •

Analysis Maturation Plan

I was talking about tooling with Mark Reid a few weeks ago.

Dec 12, 2019 •

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