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Monthly Archives: April 2012
WordPress eTextbooks
There’s been radio silence the past couple weeks because I’ve been spending my free time writing this WordPress-based eTextbook on Quantitative Literacy. There’s lots to be said about this, I suppose, but one of the things worth mentioning is what … Continue reading
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Quantitative Reasoning MOOC Update
(Yeah, I finally used the ‘M’ word…) As some of you know, I’ve been working the past three or four months on getting a MOOC on Quantitative Reasoning up and running for Spring 2013. Jim and Tim and I are … Continue reading
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A Note on Farm Share and Subgroups
As we say in the COMPARABLE checklist, the story is often somewhere in the edges. Take this chart of the proportion of a food dollar which goes to the farmer vs. post-farm activities. At first it seems to show declining … Continue reading
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How Not To Do a Graph: Distribution of U.S. Food Dollar
From Marion Nestle’s book on Food Politics: Interesting graph, but undermined by its cuteness. Farm value and labor, the first two segments, make up just short of 60% of the total, but appear to be less than 50% (maybe even … Continue reading
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Comparison of the Day: SIDS and Prone Sleeping in Norway
This is a really sad chart: the incidence of SIDS (“crib death”) in Norway plotted out against the rise and fall of parents that put their children to sleep on their stomach. (Which was what they told you to do … Continue reading
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Choosing definitions: BMI vs. DXA (or, Why BMI Is Not a Lie)
There is a great post over on Kaiser Fung’s blog on the BMI/DXA debate. I suggest you go read it. What it is about is this — there’s a claim to be made that BMI doesn’t measure fat accurately, and … Continue reading
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Comparison of the Day: Unemployment by College Major
In the COMPARABLE framework the “E” is for “Edges”, and part of the “question of edges” is whether there are significant subpopulations. In the case of unemployment of recent college grads, the answer is yes: The center would tell you … Continue reading
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Mental Experiments and the Mancovery
This is the new story out — it’s a mancovery! From Bloomberg: Men, who lost more than twice as many jobs as women during the worst economic slump since the Great Depression, have landed 88 percent of the non-farm jobs … Continue reading
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When Percentages Go Wrong
A poor man said to a rich one: “All my money goes for food.” “Now that’s your trouble,” said the rich man. “I only spend five percent of my money on food.” (From a Sufi tale, recounted here.) Percentages are … Continue reading
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Comparison of the Day: Conservative vs. Liberal Trust of Science
From Kevin Drum’s Chart o’ the Day: Lots of interesting stuff going on there. Notice, in particular, how the trust in science falls off a cliff for moderates in the 70s. It’s also fascinating that conservative trust in science used to be … Continue reading
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