skype面试挂经

senior manager和director一起面的，问的大部分是地里的面经题。发个面经回报地里攒攒人品。
- 100 obs, 100 features 如何处理high-dimensional problem
- 有另一个dataset, 1000 obs, 100个同样的features, but predicted response for another kind of enginee, 问whether you can borrow information from the larger dataset to help predict response for the ori

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-technical people?
- You're given some observational data, plot y against x1, find no pattern but the client expects x1 to be important for y, why this occurs and what would you do?
. From 1point 3acres bbs