2026-05-22T12:00:00.000Z https://tobanwiebe.com/ Toban Wiebe 2026-05-22T12:00:00.000Z https://tobanwiebe.com/writing/stop-worrying-about-class-imbalance/

Data scientists worry too much about class imbalance in classifier training sets. If you care about calibrated probabilities, log loss already handles the imbalance correctly.

2026-05-22T09:00:00.000Z https://tobanwiebe.com/blog/2026/05/name-analytics/

A short announcement for the data/stats mini-app What's in a Name?, which shows whether a name is old, new, making a comeback, going out of style, and how popular it is.

2019-02-24T13:00:00.000Z https://tobanwiebe.com/writing/quantifying-uncertainty-in-probability-predictions/

Suppose you're interested in knowing the chances of an event X occuring (e.g., X = " a nuclear strike over any populated area in the year 2019 "). When making predictions a...

2019-02-24T13:00:00.000Z https://tobanwiebe.com/blog/2019/02/probability-prediction/

Suppose you're interested in knowing the chances of an event X occuring (e.g., X = " a nuclear strike over any populated area in the year 2019 "). When making predictions a...

2017-06-22T20:00:00.000Z https://tobanwiebe.com/blog/2017/06/reddit-engagement/

Toban Wiebe is an Insight Data Science Fellow in Silicon Valley. For his fellowship project, he performed an analysis of Reddit user engagement to provide actionable insigh...

2016-09-30T15:00:00.000Z https://tobanwiebe.com/blog/2016/09/anaconda-python-linux/

Anaconda is a very handy Python distribution that bundles a slew of scientific packages along with the handy conda package manager, allowing you to easily update your packa...

2016-08-20T20:30:00.000Z https://tobanwiebe.com/blog/2016/08/julia-packaging/

Update : with the release of Julia 1.0, the package manager, Pkg , was completely rewritten, though it remains quite similar. Check out the Pkg documentation to see what's...

2016-02-10T10:30:00.000Z https://tobanwiebe.com/blog/2016/02/mathjax-kramdown/

Last week, GitHub Pages upgraded to Jekyll 3.0. One major consequence of the upgrade is that, for Jekyll sites hosted on GitHub Pages, only the kramdown engine is supported...

2015-11-28T16:30:00.000Z https://tobanwiebe.com/blog/2015/11/keyboard-shortcuts-web/

I'm a huge fan of Gmail's vim-inspired keyboard shortcuts. It's been nice to see the adoption of keyboard shortcuts in other sites, but for most of the web, keyboard access...

2015-11-07T08:30:00.000Z https://tobanwiebe.com/writing/economic-growth-effective-regulation/

I somehow ended up reading this long essay by economist John Cochrane on growth-oriented policy. I really enjoyed it because it takes a hard-headed approach to topics where...

2015-11-07T08:30:00.000Z https://tobanwiebe.com/blog/2015/11/economic-growth-effective-regulation/

I somehow ended up reading this long essay by economist John Cochrane on growth-oriented policy. I really enjoyed it because it takes a hard-headed approach to topics where...

2015-10-06T10:30:00.000Z https://tobanwiebe.com/blog/2015/10/note-taking-like-a-hacker/

In the spirit of blogging like a hacker, I am now taking notes like a hacker, thanks to a system I pieced together using Markdown and Dropbox. I have used Evernote and Goog...

2015-09-05T08:30:00.000Z https://tobanwiebe.com/blog/2015/09/new-jekyll-site/

So I decided to move from Wordpress to Jekyll. Not that I had any complaints with Wordpress, it's an absolutely fantastic platform. I just wanted to start blogging like a h...

2015-01-16T14:20:48.000Z https://tobanwiebe.com/writing/double-standard-caffeine-vs-nicotine/

[...] there is a kind of puritanical view that everything relating to nicotine is bad and harmful and should be stamped on. - Richard West I'm no expert on this topic, but...

2015-01-16T14:20:48.000Z https://tobanwiebe.com/blog/2015/01/double-standard-caffeine-vs-nicotine/

[...] there is a kind of puritanical view that everything relating to nicotine is bad and harmful and should be stamped on. - Richard West I'm no expert on this topic, but...

2014-08-26T01:30:50.000Z https://tobanwiebe.com/writing/a-thought-on-methodology/

I've never felt comfortable with the logical positivists' "science is prediction" characterization, primarily because it neglects what I intuitively think of as the heart o...

2014-08-26T01:30:50.000Z https://tobanwiebe.com/blog/2014/08/a-thought-on-methodology/

I've never felt comfortable with the logical positivists' "science is prediction" characterization, primarily because it neglects what I intuitively think of as the heart o...