Archive for April, 2008
08-04-26
Tags:Paperville Research Statstics Teaching I knew F-test is generally robust against violations of normality. I also knew there are a lot of subtleties in this. But I never looked up the sources, until now. This is a good place to start: JSTOR: Journal of Educational Statistics, Vol. 17, No. 4, (1992 ), pp. 315-339
Summarizing […]
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(Research, Teaching, Paperville, Statstics) | 0
08-04-24
Tags:Psy97 Ok, I will file this story under "Teaching", since I do talk about the determination of sex in my Child Development course. But the idea that food intake determines the child’s sex has always been part of the culture belief of Chinese. It’s interesting to read the 200 comments after the article. Boy or Girl? The […]
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(Odds'n'Ends) | 0
08-04-24
Tags: This is my new desktop picture. Pick yours from the 59 Greatest Galaxy Hits from NASA. Arp 240 is an astonishing galaxy pair, composed of spiral galaxies of similar mass and size, NGC 5257 and NGC 5258. The galaxies are visibly interacting with each other via a bridge of dim […]
NGC 5257, NGC 5258
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(Odds'n'Ends) | 0
08-04-23
Tags:Computing Teaching Watch List It’s the end of the semester, and final papers are due. As always, some will be late. I have a student emailing me the paper in Word, with a note that he forgot to bring the hard copy to class. In this case a Microsoft Word Metadata Viewer comes in […]
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(Computing, Teaching, Watch List) | 0
08-04-22
Tags:Computing Watch List Sprout intuitively learns and adapts to your preferences by statistically evaluating your positive and negative feedback
Sprout learns your news reading habit and supplies only stuff you like. At least that’s what the beta version says. Looks like some sort of Bayesian learning:
The more you use Sprout, the more it learns about your […]
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(Computing, Watch List) | 0
08-04-16
Tags:Computing programming python Research Watch List A couple of years later I am still looking for a way to record audio in Python for my eye-tracking experiments. Eyelink comes with support for PyGame, which is itself a wrapper for SDL. However, SDL does not support audio recording to date. There is an […]
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(Computing, Research, Watch List) | 0
08-04-10
Tags:Computing Watch List rPath has a Guided Tour for their Joomla appliance. Interesting and tempting.
Update: Bad idea. You have to regi$ter to get root access, and by default you can’t install modules, components, or other extensions. No PhpMyAdmin. So unle$$.
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(Computing, Watch List) | 0
08-04-06
Tags:Computing eye movement Research xml Well, at least not your typical procedual language, in the sense that it doesn’t have an equivalent of the variable, one that you can use to keep a running sum of element values.
Say you have:
<Products>
<Product> <Name>Gadget</Name> <Price>$10.00</Price> […]
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(Computing, Research) | 0