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The ideal thing would be that the mutual fund does these calculations and it puts it all together for you.
最理想的事情是,共同基金会做一些这样的计算,再为你们把这些数据综合起来。
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That means--his calculations are very different than the ones I have because he has a much longer sample period.
那表明。。。他的计算结果与我的大相径庭,因为它数据的取样跨度比我的长多了。
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In fact to write a run those same experience-- those same experiments now with the even greater volume of data computers are now producing I'd probably have terabytes worth of data and at that point things just would have broken.
事实上-,目前使用大量数据的相同实验中,计算机会产生,兆兆字节的数据,那时，一切都有可能遭到破坏。
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And the second thing we're going to need, is we're going to need a way to give instructions to the computer to manipulate that data.
我们需要的第二件事情是，我们需要一种,能给予计算机指令,以操作数据的方式。
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won't dovetail with the units that come out of this calculation.
我们得出的数据的单位,将不会和最后的计算单位相吻合。
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- But the computer-- but a lot of data about all the students on campus were-- -- was collected--were collected and people were then randomly paired up and sent to the dance.
但是通过计算机-,校园所有学生的数据-,收集起来,然后同学随机配对,按照这种配对一起跳舞。
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Just like u, we'd like to be able to express it in a way that allows us to calculate what happens only from equation of state data.
就像内能u一样，我们希望能够利用状态方程的数据,计算出其表达式,这些表达式能方便我们说出即将发生的过程。
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So the enrollment numbers are in and we thought we would share some statistics, as we like to do in this course; being computer scientists, we tend to gather lots of data.
登记加入我们的人数在这里,并且我们觉得我们能分享一些统计资料，我们在这次课程中也喜欢这么做，作为计算机科学家，我们要收集很多数据。
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Okay, so when you are working with source material that looks like this, there is in fact no such thing as infinite zoom in computer science.
当我们处理,这样的原数据时，事实上计算机科学中,并不存在无限放大。
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You can see the different points-- I've calculated this using data from 1983 until 2006-- and I computed all of the inputs to those equations that we just saw.
你可以观察不同的点-,我用从1983年到2006年的数据-,代入我们刚教授的等式,进行了计算。
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They might say my sample period was off, ... but that's what the theory-- ... using my data for the sample period that I computed-- the expected returns and co-variances says one should do.
他们可能说我的采样周期是有问题的，不过我的结果都是靠理论-,我采用自己收集的数据计算出-,预期收益和协方差可以用来指导我们的投资行为。
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The green line is the building costs and you can see that building costs, since 1890, in real terms-- everything is corrected for inflation -have gone up a little bit since 1890, but not a whole lot.
绿线表示了建筑成本,你可以看到建筑成本,自1890年来,以实际值计算,所有的数据均进行了通胀修正,从1890年开始有一点点上涨,并非是大幅度上涨
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If you want to do the opposite process, you simply "cast to an int from a char."
如果你想做相反的转换，你就告诉计算机,“把那个char型数据转换成int型处理“
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A If you want to convert a number like 65 to the letter A, you just have tell the computer "cast that int to a char."
如果你要把一个像65这样的数字转换为字母，你只需要告诉计算机“把那个int型数据转换成char型处理“
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But one of the teaching fellas also passed long to us recently, a little real world example of what happens when you're not mindful of various data types and you're not mindful of the imprecision that's inherent in representing data in a computer, at least using a language like C and low level primitives like floats and even doubles.
最近有个助教告诉我们，一个现实世界中的例子,当你不注意各种各样的数据类型,也不注意在计算机中表示数据时,其内在的不精确性，至少在用像C语言,和float甚至double型数据时，那将会发生什么？
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