Archive for the 'Computing' Category
08-08-20
Tags:Computing statistics I am using the "segmented" package by Vito M. R. Muggeo (2008, http://cran.r-project.org/doc/Rnews/Rnews_2008-1.pdf) to do some piecewise-linear regressions. Wanted to make a function but this won’t run. Looks like it’s — or I am — confusing objects in different scopes.
## need to load the package firstlibrary("segmented")
## define the segreg3 function################## This function […]
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(Computing, Statstics) | 0
08-07-17
Tags:Computing Education Teaching Watch List AppleInsider | Apple filing takes Podcasts to the next level Technologically this makes a lot of sense, and it will be a hit among Universities. Watch for a iTunesU boom. Ironically, tools like this can eventually kill the lecture as we know it.
A student in my lecture […]
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(Computing, Teaching, Watch List, Education) | 0
08-07-17
Tags:Computing Watch List Google Visualization API Gadget Gallery on Google Code has an impressive demonstration of dynamic graphs you can do in a browser, including
moving bubble chart
time line
Gantt plot
and of course all kinds of map, bars, etc.
I looked in there because I was trying to build a tool to keep […]
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(Computing, Watch List) | 0
08-06-19
Tags:Computing Research statistics Watch List mathStatica is perhaps the most comprehensive solution for mathematical statistics on Mathematica. At least that’s how they bill it. It does include additional distributions, improved distributional plots, and simplified ways to deal with moments, cumulants, etc.
Just look at this example … I am impressed.
Parameter-Mix Distributions
The notation:
[…]
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(Computing, Research, Watch List, Statstics) | 2
08-06-19
Tags:Computing Research statistics
Mathematica claims to have Multicore Support since 5.2. I am running 6.x on a Core 2 Dual notebook, but the Math Kernel only uses 50% CPU max. Mathematica says:
Multicore chips have more than one CPU core; multiple-processor computers have more than one CPU chip. Both are being introduced by […]
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(Computing, Research, Statstics) | 2
08-06-13
Tags:Computing Education Watch List Abby Brown at the Rorrey Pines High School MathematiClub created a bunch of Mathematica notebooks for middle/high school math. And for fun. Let’s see if I can get Jessie interested in this.
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(Computing, Odds'n'Ends, Watch List, Education) | 0
08-06-13
Tags:Computing Research statistics Watch List Algorithmics Group : Software : PyMix PyMix: The Python mixture package Finite mixture models of […]
The Python Mixture Package (PyMix) is a freely available Python library implementing algorithms and data structures for a wide variety of data mining applications with basic and extended mixture models.
Features
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(Computing, Research, Watch List, Statstics) | 0
08-06-13
Tags:Computing Research statistics Some ideas just never die. At some point you got to decide to do something about them. In this case, I will post it here and forget about it once and for all.
This one goes back some 15, 20 odd years, when I was still in Beijing. I was attracted to […]
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(Computing, Research, Odds'n'Ends, Statstics) | 0
08-05-30
Tags:CiteULike Computing Paperville psy145 Psy97 Research Teaching
I just noticed a link to post to CiteULike while looking up this paper DIVERSITY: Culture, Gender, and Math — Guiso et al. 320 (5880): 1164 — Science
The paper itself isn’t exactly groundbreaking, but is nonetheless a useful update for teaching.
I also […]
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(Computing, Research, Teaching, Paperville) | 1
08-05-27
Tags:blog Computing distribution modeling power law statistics 6 blogs linked to this one you are reading in the past 6 months, according to my Technorati profile. I am indifferent to, but not disinterested in, the number. I probably have more trackbacks than that, but I don’t expect it to be ranked […]
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(Computing, Odds'n'Ends, Statstics) | 0
08-05-22
Tags:Computing Research One of my first Web2.0 projects was to modify ZenPhoto into an online transcription for our spelling project. It uses editable DIV extensively, which means a lot of onclick events inside of onclick events. It was written back in 2005, and has been working well with Firefox 1.x, 2.x, and IE all versions. […]
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(Computing, Research) | 0
08-05-06
Tags:Computing Research Moving to a new computer. The new C drive is a little crammed, so I moved all my PDF files, 4G of them, to D drive. I thought I copied all program perferences to the new user profile, including Adobe Acrobat’s Organizer preferences.
If you are like me, reading tons of PDF files for […]
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(Computing, Research, Odds'n'Ends) | 0
08-05-01
Tags:Computing Accessites.org has a good discussion on Graceful Degradation & Progressive Enhancement
Progressive Enhancement
Progressive enhancement became known — at least under that name — in 2003, when Steve Champeon began using it on Webmonkey and during the SXSW conference. It starts at the opposite end from graceful degradation: begin with the basic version, then add enhancements […]
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(Computing) | 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
08-03-31
Tags:Computing Watch List Just a reminder to myself: Need to upgrade to WordPress 2.5
March 29, 2008WordPress 2.5By Matt. Filed under Releases.WordPress 2.5, the culmination of six months of work by the WordPress community, people just like you. The improvements in 2.5 are numerous, and almost entirely a result of your feedback: multi-file uploading, one-click plugin upgrades, built-in galleries, […]
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(Computing, Watch List) | 0
08-03-26
Tags:Computing Research Watch List Wordpress
Time to try this: CommentPress
CommentPress is an open source theme for the WordPress blogging engine that allows readers to comment paragraph by paragraph in the margins of a text. Annotate, gloss, workshop, debate: with CommentPress you can do all of these things on a finer-grained level, turning a […]
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(Computing, Research, Watch List) | 0