Featured book: Math Jokes 4 Mathy Folks Who says math can’t be funny? In Math Jokes 4 Mathy Folks, Patrick Vennebush dispels the myth of the humorless mathematician. His quick wit comes through in this incredible compilation of jokes and … Continue reading →
More Google+ links from the last couple of weeks:An interview with Haida artist Jim Hart (G+):Persi Diaconis discusses mathematics and magic (G+)A still-unsolved question about whether it's possible to compute edit distance in sublinear space and polynomial time (G+)A New York Times story about how scheduling software makes part-time workers' lives harder. Or does it? The MF discussion of the article makes it clear that managers have been doing the same things with lower tech for a long time.
Today I read a paper that had been submitted to the IJF which included the following figure along with several similar plots. (Click for a larger version.) I haven’t seen anything this bad for a long time. In fact, I think I would find it very difficult to reproduce using R, or even Excel (which is particularly adept at bad graphics). A few years ago I produced “Twenty rules for good graphics”. I think I need to add a couple of additional rules: Represent time changes using lines. Never […]
Here are quite a few papers that appeared on ArXiv and other journals this Summer:Linear time Principal Component Pursuit and its extensions using ℓ1 filtering by Risheng Liu, Zhouchen Lin, Zhixun Su, Junbin Gao In the past decades, exactly recovering the intrinsic data structure from corrupted observations, which is known as Robust Principal Component Analysis (RPCA), has attracted tremendous interests and found many applications in computer vision and pattern recognition. Recently,
“An astounding 26 percent of black males in the United States report seeing someone shot before turning 12.
Conditional on reported exposure to violence, black and white young males are equally likely to engage in violent behavior.” - Aliprantis, Dionissi, 2014. “Human Capital in the Inner City,” Federal Reserve Bank of Cleveland, working paper no. 13-02R.