but let me come back and talk just about

还是回到正题
the problem set we talked about last period.

来讲讲我们上次提到的习题
Problem Set #3--

第三次作业...
you've got your second problem set here

你们已经做过了第二次习题册
--Problem Set #3 is a stock market forecasting exercise

第三次作业是个对股市进行预测的练习
and the spreadsheet that I have up here is one spreadsheet

我这里有相关的数据表单
that you could use to do that.

你们要用这些数据进行预测分析
It's illustrated--I clarified it a little bit in the version I put up.

这是... 我说明一下这版数据
So, you run a regression like that to predict the stock market.

你们要做一个回归来预测股票市场
This is actually a hands-on experience

你们要动手亲力亲为
that's supposed to help you eliminate your overconfidence by

为的是消除你们在预测市场中
trying to predict the market.

存在的过度自信