1.SUV 预测
2.Weekly sales
3.Max Chunks To Make Sorted II
4.Sales
5.Driver
6.LR的优缺点
7.Sample Size
8.CE
9.BP
10.category vaiable
11.推一下逻辑回归的 loss func
12.Number of Islands
13.相似用户
14.Missing data
15.L1L2的区别
16.什么是chi square
17.Store inventory level
18.Cars on the roads
19.预测每周销量
20.线性规划问题
21.跳伞问题
22.leetcode380
23.leetcode380
24.Relational vs Non-relational Databases
25.Backend Database Experience
26.SQL vs NoSQL Databases
27.Self-Assessment in Python and SQL
28.A/B Testing Experience
29.Reducing Checkout Line Metrics
30.End-to-End Data Question Approach
31.Data-Driven Suggestions
32.Strategy and Data Integration
33.Choosing Regularization Techniques for Sparse Linear Models
34.Advantages of Softmax Activation in Multi-class Classification
35.Evaluating AUROC as a Metric for Model Selection
36.Dataframe Manipulation in Live Coding
37.Understanding Z-Score
38.Binomial Questions in Statistics
39.Combinatorics in Statistics
40.Variance-Bias Trade-Off
41.Compare Random Forest and Gradient Boosting
42.Get the current status of the feature for each user
43.Calculate the number of users who turned on the feature yesterday
44.Calculate Conditional Probability Score for Products
45.SQL Query to List Products Bought Together
46.Middle Course in Learning Paths
47.Finding the Middle Course
48.Course Schedule Overlap
49.Linear Programming for Labor Allocation
1. SUV 预测
怎么estimate how many cars on the roads right now in US?
3. Max Chunks To Make Sorted II
You are given an integer array arr.
We split arr into some number of chunks (i.e., partitions), and individually sort each chunk. After concatenating them, the result should equal the sorted array.
Return the largest number of chunks we can make to sort the array.
4. Sales
table 1 是国际汇率，一直在变化，不同的currency在不同的时间有不同的汇率.
table 2 daily sales data （currency都是table 1 里的国际汇率）
要求：用table计算每天的总sales in usd
5. Driver
delivery driver 的任务table，有每个任务的每一条status更新，要求写个table计算每个status目前分别有多少个driver
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