Sharpen your axe - Making Data Mistakes

Making Data Mistakes

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Sharpen your axe

A collection of 5 posts

How to reproduce your analysis

But first, an exciting announcement! I'm currently hiring for two Machine Learning Engineering roles, both doing interesting work with high-energy startups led by great people on good missions. Scroll to the bottom of this article for more details! -------------------------------------------------------------------------------- How to reproduce your analysis > “But didn’t

What is precision vs recall, and why should I care?

What do these tasks all have in common? * Looking at an X-ray and deciding whether someone’s leg is broken * Screening a CV for suitability for a job post * Identifying faces of terrorists in a crowd They are all examples of classification tasks, where we need to make a binary

Why we're bad at estimating (and what to do about it)

A product manager recently asked me if one can get better at knowing whether things are easy or hard, and how long they will take. The good news is that with practice, you can help people estimate much better than they can estimate on their own. Here's how.

What does it take to transition from Senior to Chief Data Scientist?

I’ve been asked this question by a few highly competent Senior Data Scientists over the years. Even just asking the question is usually a good sign that they have a sense of the answer - a sense that the skills that make you a good Senior Data Scientist may

How to write good software faster (we spend 90% of our time debugging)

If we spend the majority of our programming time and effort on debugging, we should focus our efforts on speeding up our debugging (rather than trying to write code faster).