1.Experiement design
2.Define function
3.Dice questions
4.Simpson paradox
5.Predictive model
6.Job application metric
7.SQL aggregation funciton
8.ML model basic application
9.SQL aggregation funciton
10.SQL aggregation funciton
11.Modify array
12.String functions
13.Football scores
14.SQL aggregation funciton
15.Music Streaming Platform Song Ranking Feature
16.Implement Linear Regression and K-Means Algorithm
17.SQL Coding Interview
18.Describe your experience with causal inference and statistical methods.
19.Describe your experience with fraud detection projects.
20.Variance vs Bias
21.Handling Class Imbalance
22.Optimization Techniques
23.Dealing with Collinearity
24.Differences between XGBoost and Random Forest
25.Database Schema Design for a Board Sharing Platform
26.Random Sampling from an Array with Probabilities
1. Experiement design
Feed ranking algorithm change, 怎么设计ab test
2. Define function
f(x) = a*x**2 + b*x + c, 给一个sorted list，用发f(x) generate一个sorted output。
3. Dice questions
M-sided dice, prob list, generate output
4. Simpson paradox
两种email version，连续两周在两个不同的城市做实验，显示结果是B好于A。combine起来是A好。
5. Predictive model
1 million rows, 10 K feature, someone was hired or not for a position. Predict the likelihood of a user being hired for a position.
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