Practical Data Science

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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…
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Ryan Harter
Getting Credit for Invisible Work
Last month I gave a talk at csv,conf on "Getting Credit for Invisible Work".
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Ryan Harter
Controlled Experiments - Why Bother?
I spent some time earlier this year orchestrating a massive experiment for Firefox.
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Ryan Harter
Data Intuition Case Study: Grain-free Dog Food
My vet told me I should stop feeding my dog grain-free dog food.
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Ryan Harter
If you can't do it in a day, you can't do it
I was talking with Mark Reid about some of the problems with Coding in a GUI. He nailed part of the problem with soundbite too good not to share:
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Ryan Harter
Leading with Data - Cascading Metrics
Leading with Data - Cascading Metrics
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Ryan Harter
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.
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Ryan Harter
Bad Tools are Insidious
This is my first job making data tools that other people use.
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Ryan Harter
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".
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Ryan Harter
Surrogation
A year or so ago, I read this article about how Wells Fargo ended up in such a mess.
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Ryan Harter
What do you take home?
Every other week, I go through my todo list and decide where I should focus my attention.
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Ryan Harter
Pub True
I'm ramping up on a project to understand how Firefox retains users.
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Ryan Harter
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