Updated: 2010-12-31 13:15:00
The Joy of Stats is an hour long BBC documentary by Professor Hans Rosling, in which he illustrates the beauty and importance of statistics as a means of understanding the world and society in which we live. This documentary is now available for the first time to audiences worldwide: (Tip of the hat to Flowing [...]
Updated: 2010-12-31 01:50:38
This post presents an RClimate script to develop a temperature sounding profile and calculate the ambient lapse rate using University of Wyoming atmospheric sounding data. Understanding atmospheric structure and lapse rate is essential to a full unders...
Updated: 2010-12-31 00:03:57
The CK-12 Foundation is a wonderful non-profit organization. Recently they released several free Kindle ebooks about Mathematics. Currently in the Kindle store you can find the following CK-12 Foundation math titles, all priced at $0.00: Algebra I Geometry Trigonometry Calculus Advanced Probability and Statistics From a cursory look it would seem that the content of [...]
Updated: 2010-12-30 19:57:21
Jesse Bridgewater works on "social search awesomeness" for the Bing search engine, and is setting up his dev environment with the necessary tools including python, vim, and R. Jesse has shared a handy script he uses to install all the specialty packages he uses for his data analysis. This is a handy script to modify for your own purposes, but it's also interesting to review the packages Jesse lists as part of his standard toolkit: Literate Programming: R2HTML, sweave, Rpad Data Visualization: ggplot2, YaleToolkit Data Mining / Machine Learning / Natural Language Processing: ElemStatLearn, gbm, bayesm, RWeka, lsa, tm Graphs...
Updated: 2010-12-30 00:20:13
In between baby duty, Christmas holiday duties, and soforth, I’ve been scanning the web for stuff about Nonstandard Analysis (NSA). NSA is a “conservative extension” of standard Analysis. Anything you can prove via NSA could be proven by “standard” methods involving limits and soforth. So some mathematicians argue that there is no point to it. [...]
Updated: 2010-12-28 07:59:13
This is the second post in a series. The first post is at http://www.walkingrandomly.com/?p=2692
DataAnalysis – free curve fitting on iPad
DataAnalysis is a fantastic curve fitting and plotting package written by Evan Kantrowitz. You can import your data (in .csv format) from a variety of sources including email, iTunes and Dropbox. Once imported, DataAnalysis allows [...]
Updated: 2010-12-23 17:34:47
Wild About Math Making Math fun and accessible Home About Articles Math contest problem links Videos Ti-84 Plus Silver Edition giveaway winner December 23rd , 2010 by Sol On December 9th I announced a contest to solve a challenge proposed by James . Tanton STEM skills science , technology engineering and math hold the key to tomorrow’s innovation . To help students learn tomorrow’s job skills , Wild About Math has teamed-up with Texas Instruments to give away a TI-84 Plus Silver Edition graphing calculator with GraphiTI package . To learn more about TI-84 graphing calculators or other TI products , visit : http : education.ti.com To learn more about STEM careers , visit : http : education.ti.com studentzone The problem was harder than I thought it would be . I got two submissions and only
Updated: 2010-12-17 15:55:28
Wild About Math Making Math fun and accessible Home About Articles Math contest problem links Videos Wild About Math bloggers 12 10 10 December 17th , 2010 by Sol The 12 17 edition is at Equalis Here’s the 12 10 edition . December 10th is my birthday so today’s column is the Happy Birthday to me” edition . And , in honor of my birthday , I’m running a contest at Wild About Math where you can win a TI-84 Silver Edition graphing calculator for solving the James Tanton puzzle at the end of this : video http : www.youtube.com watch v=GYDtv6nJWOg Carnival of Mathematics 72 is posted at the 360 Blog Here’s a great trick performed by David Copperfield based on something called Kruskal’s principle . It is the most clever application of this principle I’ve seen and I’ve seen a bunch . See Grey
Updated: 2010-12-09 06:32:00
Remember that children’s toy that has gears and a hole for a pen that you make cool curved shapes with?
Well, check out this “Three Pendulum Rotary Harmonograph.”
http://www.youtube.com/watch?v=H4YQonwQUDs
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