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Correlations

Wayne J. Warf said: I just wonder if this was a little fishing expedition by Tim. You know, take a bunch of stats and run pairwise correlations on them and see if any pop out significant at p<.05. Of course,...

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Tim Lambert Tim Lambert (deltoidblog AT gmail.com) is a computer scientist at the University of New South Wales.

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« Correlation between gun ownership and homicide rates | Main | "At-home" burglaries »

Correlations

Category: silly
Posted on: June 6, 1992 7:12 AM, by Tim Lambert

Wayne J. Warf said:

I just wonder if this was a little fishing expedition by Tim. You know, take a bunch of stats and run pairwise correlations on them and see if any pop out significant at p<.05. Of course, doing this without adjusting your significance levels skews the results tremendously, but one wonders just the same. Was there an a priori hypothesis being tested against the null or was it just "shotgun statistics".

<sarcasm> Yes, I sat up late at night trying to correlate things with gun ownership. I tried the number of letters in the country's name, the number of medals won in the Olympics, height of the country's head of state, average bra size, dollar value of exports of stuffed koalas. If any one of these was correlated I'd have the evidence I needed for my GGI (Gun Grabber Illuminati) buddies. Then I had an idea! Guns, like, fire these metal projectiles at quite brisk velocities. If one of these projectiles were to strike a person, that person could be injured, even killed. OK, the next step is a bit far-fetched, but bear with me. Some depraved person might deliberately cause one of these bullet things to strike someone in order to murder them. Yeah, I know, that's pretty ridiculous. However, I was pretty desperate by then, so I looked up the homicide statistics, just on the off chance.
</sarcasm>

The hypothesis that there is no correlation between homicide and gun ownership is one that is advanced by pro-gun people in this news group quite frequently whenever they mention Switzerland. I decided to put it to the test.

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