Data vignette: men are worse drivers

This post is based on a notebook I wrote a couple years ago. I'd like to revisit and expand on it, as well as correct some errors. The original notebook is here. In this post, I analyze traffic collision data from Los Angeles County in January 2012. The analysis is sound, but the conclusion in…

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For presentations, focus on narrative

You've collected the data, you've run the analysis, now you have to decide how to present. You've considered it from every angle, and you're preparing a slide deck to match--detailed, lengthy and technical. Is this the right approach? Probably not. Rule of thumb: include no more than one figure per topic When you're the technical…