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Mmanti

The apparent lesson here is not to publish a chart in such a way that it can be separated from its caption! Erik Voeten posted Adam Bonica's graph on The Monkey Cage blog without Bonica's accompanying explanation. The vertical lines mark ideological rankings of professions estimated from campaign contribution data, but the density plots describe the ideological distribution of Democrat and Republican candidates--blue and red, respectively. See Bonica's blog posts for details and improvements. (I'd link them here but the comment box isn't allowing me to paste.)

Cris

Non-U.S. readers may not understand blue vs. red. (could guess from liberal-conservative label or left-right orientation but why leave it to guessing?)

Actually, a non-US reader might guess red=socialist/communist, blue=conservative. That's the color association in most countries. I've always wondered why it's the other way around in the US!

Jon Peltier

1. I was going to ask what the Y scale represented. Thanks, Mmanti.

2. Cris - I have also often wondered why the US got the ideological colors backwards. Well, as they (used to) say, Better dead than Red!

Ken

If memory serves, on election night every four years, the TV stations used to alternate between red and blue in their maps for the two political parties. In 2000, the year of the Great Divide, the Republicans happened to be red and the Democrats blue, and the colors stuck in the public consciousness. To avoid confusion in 2004 and 2008 the TV stations stuck with these colors. At least, this is how I remember it. I'd happily be corrected. Blue is my favorite color, but not for political reasons!

John

More like the colors got stuck in the media's simple collective mind.

Simon

Intriguing. I think the second graph needs some work. The explanation is too long and puts me off reading it to understand what the graph shows.

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