Posts Tagged ‘ Current Affairs ’

Shaking up expectations for pension benefits

May 20, 2015
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Shaking up expectations for pension benefits

Ted Ballachine wrote me about his website Pension360 pointing me to a recent attempt at visualizing pension benefits in various retirement systems in the state of Illinois. The link to the blog post is here. One of the things they...

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But or because more information

May 11, 2015
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But or because more information

Wall Street Journal uses this paired bar chart to show the favorable/unfavorable ratings of potential GOP candidates for the 2016 presidential elections. (link to original) This chart form is fine. From this chart, we can easily see which candidates have...

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Deflategate 3: nature of evidence

May 7, 2015
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Deflategate 3: nature of evidence

Last time we heard about Deflategate on this blog, Warren Sharp compiled some statistics on fumble rates, showing that the Patriots were unusually good at avoiding fumbles. (link, link) I thought the level of analysis was "above average" and remarked that statistical evidence of this type can only get you so far. The metric is indirect, and it does not speak to causation. The official investigators have now issued their…

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Putting a final touch on Bloomberg’s terrific chart of social movements

May 7, 2015
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Putting a final touch on Bloomberg’s terrific chart of social movements

My friend Rhonda D. wins a prize for submitting a good chart. This is Bloomberg's take on the current Supreme Court case on gay marriage (link). Their designer places this movement in the context of prior social movements such as...

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Painting the full picture of the employment situation

May 5, 2015
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Painting the full picture of the employment situation

It's very frustrating to read the mainstream articles about the recent unemployment report. For example, the New York Times said "U.S. Jobless Claims Hit 15-year Low." (link) At this point, everyone should be aware of how employment statistics, in particular,...

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What if the Washington Post did not display all the data

April 23, 2015
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What if the Washington Post did not display all the data

Thanks to reader Charles Chris P., I was able to get the police staffing data to play around with. Recall from the previous post that the Washington Post made the following scatter plot, comparing the proportion of whites among police...

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Nice analysis of racial composition of police forces

April 21, 2015
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Nice analysis of racial composition of police forces

The Washington Post has a good idea. Using Census data, they computed the proportion of police force who are white and the corresponding proportion of citizens who are white, in different cities. In the following scatter plot, they singled out...

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NYT likes new AA study. Why I am not convinced.

April 20, 2015
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NYT likes new AA study. Why I am not convinced.

[After communicating with Frakt, Humphrey and Dean Eckles, I realize that I was confused about Frakt's description of the Humphrey paper, which does not perform PP analysis. So when reading this post, consider it a discussion of ITT versus PP analysis. I will post about Humphrey's methodology separately.] The New York Times plugged a study of the effectiveness of Alcoholics Anonymous (AA) (link). The author (Austin Frakt) used this occasion…

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Planned redundancy

April 7, 2015
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Planned redundancy

The following Wall Street Journal caught my eye the other day: (Link to article) Looking closely, I realize that the four charts are identical, except for the call-outs. This is a kind of small-multiples in which the same data reside...

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Graphical forms impose assumptions on the data

April 2, 2015
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Graphical forms impose assumptions on the data

In a comment to my previous post, reader Chris P. pointed me to the following set of maps, also from the New York Times crew, on the legalization of gay marriage in the U.S. (link) (For those who did not...

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