Books



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digs
Permanent link - Posted 7 hours ago (via feedproxy.google.com)
If you want your children or students practice equations and operations, you might want to try Equate: The Equation Thinking Game. Equate is a math board game that works like Scrabble. In Equate, instead of forming words, you can form equations. Younger children can choose an easy game which only consists of addition and subtraction, while older children […]Math and Multimedia - School ma...
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digs
Permanent link - Posted 1 day ago (via junkcharts.typepad.com)
This op-ed by Richard Thaler caught my attention because I have a similar experience. In my statistics classes, I have noticed a pattern: if the mid-term exam is hard, with a lower average score (say 75-80%), the students look crestfallen and feel that they did not learn; eventually, when it comes to evaluating the instructor, I receive lower grades, with comments indicating that I have not taught...
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digs
Permanent link - Posted 1 day ago (via wdjoyner.wordpress.com)
Let be a graph. A divisor on is an element of the free group generated by the vertices , . We say that divisors and are linearly equivalent and write if is a principal divisor, i.e., if for some function . Note that if and are linearly equivalent, they must have the same degree, since […]...
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digs
Permanent link - Posted 1 day ago (via andrewgelman.com)
Brent Goldfarb and Andrew King, in a paper to appear in the journal Strategic Management, write: In a recent issue of this journal, Bettis (2012) reports a conversation with a graduate student who forthrightly announced that he had been trained by faculty to “search for asterisks”. The student explained that he sifted through large databases […] The post Creativity is the ability to see ...
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digs
Permanent link - Posted 1 day ago (via andrewgelman.com)
The recent story about the retracted paper on political persuasion reminded me of the last time that a politically loaded survey was discredited because the researcher couldn’t come up with the data. I’m referring to John Lott, the “economist, political commentator, and gun rights advocate” (in the words of Wikipedia) who is perhaps more well […] The post John Lott as...
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digs
Permanent link - Posted 1 day ago (via flowingdata.com)
If you read the books or watched the movies, you get the sense that Frodo and Sam walked pretty far to toss that ring in the fire. Imgur user mattsawizard…Tags: humor, Lord of the Rings...
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digs
Permanent link - Posted 1 day ago (via flowingdata.com)
Data art is on the rise. Jacoba Urist for the Atlantic gets into the beginnings and its current prevalence. Art is a constant march of expansion, according to Harvey Molotch,…Tags: Atlantic, rise...
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digs
Permanent link - Posted 1 day ago (via flowingdata.com)
Hannah Fairfield, who does graphics at the New York Times, talks about using visualization to show specific narratives. Something more than just "here's some data."…Tags: Hannah Fairfield, lunch talk...
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digs
Permanent link - Posted 1 day ago (via flowingdata.com)
Computers can calculate an infinite number of colors, but our brains can only process and see so much. This is why color spaces are important in visualization. Your code might…Tags: color...
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digs
Permanent link - Posted 1 day ago (via flowingdata.com)
Last month, This American Life ran a story about research that asked if you could change people's mind about issues like same-sex marriage and abortion — with just a 22-minute…Tags: fake data, retracted...
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