Can Geometry Rescue Representative Government?
Left: Cartoon by Elkanah Tisdale from the March 26, 1812 edition of the Federalist-leaning paper The Boston Gazette showing the Massachusetts district newly created to favor the Jeffersonian Republicans in upcoming elections. Right: the wing and clawless version of the map. Thinking the actual district looked like a salamander, an editor at the paper declared [...]
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A short, easy to read essay by Helena Jambor* on The Node, gives some good tips for adding scale bars to images. She also gives a little history: interestingly, putting scale bars on images is not an age-old practice. Apparently, there was a time when scientists (and many non-scientists) were assumed to know how big things were. But that [...]
http://flowingdata.com/famous-movie-quotes-as-charts/
How to Make Truly Terrible Tables: A Tutorial by David Streiner Part I: Be Too Accurate No, your eyes are not deceiving you; the title of the blog has changed slightly, from “How to Make Truly Terrible Graphs” to “How to Make Truly Terrible Tables.” This reflects the fact that it is possible to [...]
How to Make Truly Terrible Graphs: A Tutorial by David Streiner Part 4: Where’s the Y? In previous blogs, I described how to make terrible graphs using some of the features of leading graphing packages, such as pie charts and 3-D graphs. But, this is unfair to users of other programs that do not [...]
How to Make Truly Terrible Graphs: A Tutorial David L. Streiner, special guest contributor and co-author of excellent statistics texts Part 3 – 3D or not 3D In the two last blogs, we learned the first steps in making truly terrible graphs: by confusing the role of a visual with that of a table, and by [...]
This blog, like the book Lab Math from which it springs (incompletely formed), will be about numbers. I will endeavor to:
1. showcase the basic and the practical, not the challenging or even the advanced;
2. provide straightforward guidance for the unenthusiastic ("just do it exactly this way");
3. provide refreshers for those needing refreshment (whether they know it or not.)
Welcome to Lab Math
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