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digs
Permanent link - Posted 8 days ago (via blog.computationalcomplexity.org)
In Bill's post earlier this week, he asks if there is a fixed algorithm such that if P = NP, this algorithm will correctly compute satisfiability on all inputs. While I believe this statement is true because P ≠ NP, I would like to argue we won't prove it anytime soon. Bill links to a TCS Stack Exchange answer by Marzio De Biasi giving a fixed algorithm that would get SAT correct except on ...
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digs
Permanent link - Posted 8 days ago (via feedproxy.google.com)
When we graph a function f(x), there's a few ways we can modify it: Using f(ax + b) + c​ instead of ​f(x)​ has a few effects: a seems to squash the function b slides us left/right c lifts us up/down Interactive example on Desmos What's going on? Well, we're describing the visual result on […]...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
As one might expect, many women, people of color, and L.G.B.T. candidates are…Tags: diversity, election...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
Randall Munroe, Kelsey Harris, and Max Goodman for xkcd mapped all the challengers…Tags: election, xkcd...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
Also known as ridgeline plots, the method overlaps time series for a 3-D-ish view of the data. While perhaps not the most visually efficient, the allure is undeniable.Tags: R...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
I really like what The New York Times has been doing with augmented…Tags: augmented reality, bugs, New York Times...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
Over the next few months, I'll be looking more closely at the available visualization apps to see what works and what doesn't. In this issue, I start with Flourish.Tags: Flourish, review...
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digs
Permanent link - Posted 8 days ago (via flowingdata.com)
Shirley Wu used a tree metaphor to represent the interactions of five individuals…Tags: SFMOMA, texting, tree...
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digs
Permanent link - Posted 8 days ago (via andrewgelman.com)
Yair just published a long post explaining (a) how he and his colleagues use Mister P and the voter file to get fine-grained geographic and demographic estimates of voter turnout and vote preference, and (b) why this makes a difference. The relevant research paper is here. As Yair says in his above-linked post, he and […] The post “What Happened Next Tuesday: A New Way To Understand E...
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digs
Permanent link - Posted 8 days ago (via andrewgelman.com)
Fritz Strack points us to this article, “When Both the Original Study and Its Failed Replication Are Correct: Feeling Observed Eliminates the Facial-Feedback Effect,” by Tom Noah, Yaacov Schul, and Ruth Mayo, who write: According to the facial-feedback hypothesis, the facial activity associated with particular emotional expressions can influence people’s affective experiences. Recent...
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