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This is one of my favorites:

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One entry per answer. This is in the vein of the Stack Overflow question What’s your favorite “programmer” cartoon?.

P.S. Do not hotlink the cartoon without the site's permission please.

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I do have to ask though- how come cartoons are in and jokes are out? –  Sharpie Jul 22 '10 at 5:09
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These cartoons are useful too; they can be included in a lecture on a particular topic where you are trying to explain a concept (e.g. correlation/causation above). A little humor can help to keep an audience engaged. –  Shane Jul 22 '10 at 14:22

56 Answers 56

Was XKCD, so time for Dilbert:

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Absolutely love this one. –  Sharpie Jul 21 '10 at 15:23
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Did anyone else notice that the tour guide changes colors between the second and third frames? –  Max Aug 22 '12 at 20:41

Another from XKCD: alt text

Mentioned here and here.

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My favourite Dilbert cartoon:

alt text

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Definitively my favorite cartoon about Data Mining –  steffen Dec 1 '10 at 12:24

One of my favorites from xckd:

Random Number

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RFC 1149.5 specifies 4 as the standard IEEE-vetted random number.

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One more Dilbert: alt text

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This one reminds me of the recent bailout in the States, where they just made up 700 billion number - they said they just wanted a really large number. :) –  Roman Luštrik Aug 12 '10 at 8:53

XKCD: significant

'So, uh, we did the green study again and got no link. It was probably a--' 'RESEARCH CONFLICTED ON GREEN JELLY BEAN/ACNE LINK; MORE STUDY RECOMMENDED!'

xkcd: significant

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This is by far my favorite cartoon of all time. It's super educational. It really gets to the heart of the definition of a p-value. In fact, I bet that less than 10% the students who pass a college freshman "intro to stats" class get this joke, and this makes me sad. –  MHH Jan 15 at 3:36
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Maybe so! Fortunately for freshmen, @Glen_b has offered an excellent breakdown here. –  Nick Stauner Feb 27 at 1:03

Normal Versus Paranormal Distribution

From: A visual comparison of normal and paranormal distributions Matthew Freeman J Epidemiol Community Health 2006;60:6. Lower caption says 'Paranormal Distribution' - no idea why the graphical artifact is occuring.

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This isn't technically a cartoon, but close enough:

alt text

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That's definitely my favorite. I always have to stop on this and laugh when scrolling over this page. It's just so bad!! –  Henrik Sep 9 '10 at 9:02

I just came across this and loved it:

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(http://xkcd.com/795/).

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Image at bp1.blogger.com.

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That's great. The standard way of dealing with outliers. –  Shane Jul 26 '10 at 20:06

http://imgs.xkcd.com/comics/extrapolating.png

By the third trimester, there will be hundreds of babies inside you.

Also from XKCD

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Another from XKCD:

Convincing

And if you labeled your axes, I could tell you exactly how MUCH better.
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And another one from xkcd.

Title: Self-Description

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The mouseover text:

The contents of any one panel are dependent on the contents of every panel including itself. The graph of panel dependencies is complete and bidirectional, and each node has a loop. The mouseover text has two hundred and forty-two characters.

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Nice. The importance of variance when thinking about a population.

enter image description here

Saturday Morning Breakfast Cereal

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More about design and power than analysis, but I like this one

alt text

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Another one from xkcd:

Hell, my eighth grade science class managed to conclusively reject it just based on a classroom experiment. It's pretty sad to hear about million-dollar research teams who can't even manage that.

Alt-text:

Hell, my eighth grade science class managed to conclusively reject it just based on a classroom experiment. It's pretty sad to hear about million-dollar research teams who can't even manage that.

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Another one from xkcd:

Coconuts are so far down to the left they couldn't be fit on the chart.  Ever spent half an hour trying to open a coconut with a rock?  Down with coconuts.

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Bananas are always tasty. –  Anonymous Type Dec 1 '10 at 4:00

A classic...

Never discuss multiple testing without it

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@rolando2 As a medical researcher, I find the sensationalist incompetence of mainstream science reporters hilarious. –  Superbest Feb 26 at 12:08

Here is a nice one (the inadequacy about average ratings)
http://xkcd.com/937/

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Allright, I think this one is hilarious- but let's see if it passes the Statistical Analysis Miller test.

Fermirotica

I love how Google handles dimensional analysis.  Stats are ballpark and vary wildly by time of day and whether your mom is in town.

I love how Google handles dimensional analysis. Stats are ballpark and vary wildly by time of day and whether your mom is in town.

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Statistical voyeurism? And there we were wondering what to call the site... –  walkytalky Jul 23 '10 at 15:48

From xkcd:

You don't use science to show that you are right, you use science to become right.

If some people who really believe that everything should be scientifically tested would actually walk their talk than they this comic might even show an event that actually happens.

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From xkcd:

enter image description here This is data analysis in the form of a cartoon, and I find it particularly poignant.

The universe is probably littered with the one-planet graves of cultures which made the sensible economic decision that there's no good reason to go into space--each discovered, studied, and remembered by the ones who made the irrational decision.

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I liked this one:

enter image description here

This is probably fun to show in class as well...

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enter image description here

Saturday Morning Breakfast Cereal

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2  
yeah but.... this one isn't true... it mostly depends on how you parameterize the time variable $t$... i guess if you go back far enough, but come on... –  Jason Sep 22 '11 at 17:24

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