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For example, there may be a correlation between maternal mortality and Caesarean births, or so-called "C-Sections."
VOA: standard.2010.06.23
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Remember, we don't do a one-to-one correlation, because p x and p y are some linear combination of the m plus 1 and m minus 1 orbital.
记住，我们不需要把它们一一对应，因为ｐｘ和ｐｙ轨道是,ｍ等于正负１轨道的线性组合。
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There's no correlation between them ... and that means that the variance-- and I want to talk about equally-weighted portfolio.
它们之间没有相关性,也就是说。。。方差-,我想讲一下,权重相等的投资组合。
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When you correlate people's preference when they see products with activation in this area, you'll see a nice correlation.
这一区域的大脑活动,同人们在见到商品后的表现，完美地联系了起来。
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You really deal with health, people's mental and spiritual health, you can see a correlation here, can't you?
你确实是在关注健康，人们的身心健康，你是否能从中看出一种关联呢？
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There's definitely some inverse correlation between your level of thinking and the proximity to the blackboard.
在你的思维水平,和到黑板的距离之间,绝对存在某种反比关系
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And it turns out that there's a correlation, a reliable relationship between how happy somebody is now and back thirty years ago in their yearbook photo-- what sort of smile they're giving.
事实证明有相关性，可靠的关系,现在很开心的关系，30年后也是,在他们的年鉴照片里-,他们给出的微笑类型。
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How do we enhance the belief in ourselves if there's such high correlation and there's a very high correlation and predictive power to a sense of hope, to a sense of optimism, to beliefs.
如何加强我们的信念,如果真有这么紧密的关联,如果希望,乐观主义和信念真的，有着非常紧密的关联和预测力。
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I bet it's way below one, but it has some correlation, so maybe it's .3.
结果很可能是接近0的正数,但肯定有些相关性的,比如说0.3
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In this article, they talked about the correlation of consumption around the world.
在这篇文章中，他们讨论了世界范围内的消费相关性。
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I feel like I have to introduce concepts like variance and co-variance and correlation in order to talk about finance; so that's what we'll do in Lecture Two.
我会讲到像方差,协方差,相关系数,这样的概念,为金融学的内容作一些铺垫,我们会在第二课讲到
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In fact, it's lower than the correlation of income changes, which is surprising.
事实上，比收入变化相关性还低，这很奇怪。
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Suppose we had a lot of different stocks that we could put into a portfolio, and suppose they're all independent of each other-- that means there's no correlation.
假设我们现在有很多只不同的股票,可以放进我们的投资组合里，同时假设它们都是相互独立的-,也就是说它们之间没有相关性。
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The correlation across countries in consumption changes is low.
国家间的消费相关性,变化很小。
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Then I want to move to correlation.
接下来我们讲相关性
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Very high correlation between the two which in many ways gives credence to the many years of research that has been conducted, before we have the technology to do it in a more sophisticated way.
两者有很大关联，这在很多方面,给多年来进行过的研究提供了可信度，在拥有技术进行更全面的研究之前。
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If you quantify how much they relate, then you could look at the correlation.
如果你可以量化二者有多相关,那你就可以考察相关性了
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If there were perfect correlation, then it would be a correlation of one.
如果是完全正相关的，也就是相关系数等于一。
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Do you see that point? We'd have perfect correlation.
明白这个观点了吗，前提是完全相关。
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What they argued in this paper was that, if we had perfect risk management, then there would be perfect correlation of consumption across countries because if we get rid of the idiosyncratic risks, then all that's left is planet-wide risks.
他们在论文中的观点是，如果我们有完善的风险管理,那在不同国家之间的消费呈完全相关,因为如果我们消除了特有风险，那只剩下全球范围内的市场风险。
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.. The problem is again the ideal-- they're trying to work toward what I think of an ideal that we see in finance-- 1 mainly, the perfect correlation of consumption and the elimination of risk--we all help each other.
问题又回到了理想-,他们为之奋斗的这种理想状态,如果用金融学的理念来解读-,就是消费与风险消除的相关系数为,即完全正相关，所有人都互助互利。
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That's the correlation.
这表示的是相关性
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They would say there is a low correlation between SAT scores and grade point averages in college, or maybe it's a high correlation.
媒体会说,SAT成绩,和大学里的平均学分相关性很低,或相关性很高
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It is defined as rho= That's the correlation coefficient.
定义为,rho等于xy的协方差比xy各自的标准差的乘积,这就是相关系数
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