面经分享面试主要考察四个部分:
1)general:
self-introduction;
why analytics, why usf;
career goals;
2)线性代数linear algebra:. 1point3acres.com
Explain Eigenvector/Eigenvalue;
Explain Linear Independent;
Solve a few matrix question;
e.g. 给了两个矩阵A和B,具体数忘记了,好像A是3*1矩阵,B是3*3矩阵,求(A*B)^1000
3) 概率统计statistics
Explain confidence interval;
Explain Type I/II error;
For the poplulation in the US, what do you think their annual income would be like? Left skewed or right skewed? Mean higher or median higher?
4)编程. 1point 3 acres
面官share了他的电脑屏幕,每道题就是看一段python代码,然后回答这个代码最后的返回值是什么。
- return the mean of all the value in the array. 1point3acres.com
- return the index of the max value in the array
第二个我就忘记index怎么说了,我说的ordinal还是啥面官没听懂就觉得我答错了T_T