02 2013 档案
摘要：I spent the last week trying to write a column that proved Twitter wasn't worth $10 billion. Then the facts intervened.column：专栏 intervene：干涉，调停，插入Stubbornly, they arranged themselves into a most unexpected conclusion, one that seems almost blasphemy to type: Twitter has the potential to match s
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摘要：转自http://mindhacks.cn/2008/09/21/the-magical-bayesian-method/概率论只不过是把常识用数学公式表达了出来。——拉普拉斯记得读本科的时候，最喜欢到城里的计算机书店里面去闲逛，一逛就是好几个小时；有一次，在书店看到一本书，名叫贝叶斯方法。当时数学系的课程还没有学到概率统计。我心想，一个方法能够专门写出一本书来，肯定很牛逼。后来，我发现当初的那个朴素归纳推理成立了——这果然是个牛逼的方法。——题记目录0. 前言 1. 历史 1.1 一个例子：自然语言的二义性 1.2 贝叶斯公式 2. 拼写纠正 3. 模型比较与贝叶斯奥卡姆剃刀 3.1 ...
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摘要：On fostering entrepreneurship: The data would say about one-third of our creative capacity is DNA. The other two-thirds is the world we grow up in and work in. So there are things I can do to foster it in children.unleashing：释放 Entrepreneur：企业家 foster：养育，培养 entrepreneurship：企业家精神，创业Young ki...
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摘要：Here's something that's keeping the researchers at Harvard Medical School awake at night: They've just found that sleep deprivation is now costing U.S. businesses $63.2 billion a year in lost productivity. As The Wall Street Journal reported this week, the research showed that chronic ex
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摘要：As stores stock shelves with youth-targeted products and malls lease to retailers such as Forever 21 Inc., China’s seniors are feeling left out.seniors：年长者，老年人 According to a new report from global market research firm Mintel, only 8% of elderly Chinese consumers feel that marketers adequately ta...
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摘要：It's the latest R&D trend: penciling in tinkering time on the company clock. The current craze started with Google's GOOG -0.96%well-known '20% Time' initiative, which encouraged employees to spend 20% of their time at work on a project not related to their job description.Then c
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