1.Deep Learning Explained Simply for Kids
				
				2.Types of Neural Networks: An Overview
				
				3.Customer Tracking Using Camera Footage
				
				4.Dealing with December Customer Churn: What to Do?
				
				5.Optimizing Budget Allocation for Multi-Platform Advertising.
				
				6.leetcode833
				
				7.Customer Service Analytics Queries: 30-Day Metrics Analysis
				
				8.Optimizing Help Articles for Apps: Metrics and Prioritization.
				
				9.Sudden 7% Drop in Metrics: What Caused It?
				
				10.Calculating the p-value of binomial distribution.
				
				11.Harrassment处理
				
				12.How to measure the success of a new feature
				
				13.客户健康指数
				
				14.Parse link
				
				15.Recommendation system
				
				16.Evaluate model missing performance
				
				17.Normal Distribution基础
				
				18.Unsupervised Learning
				
				19.MIssing Value
				
				20.建模的数据处理
				
				21.建模的准备工作
				
				22.Frequentist vs Bayesian
				
				23.Simpson Paradox
				
				24.Reverse Words in a String
				
				25.string操作
				
				26.leetcode935
				
				27.Wildcard Matching
				
				28.股票价格预测
				
				29.飞机起飞顺序
				
				30.Remove K Digits
				
				31.Count Primes
				
				32.Best Time to Buy and Sell Stock
				
				33.Valid Palindrome II
				
				34.String切割
				
				35.Sort Colors
				
				36.Roman to Integer
				
				37.Move Zeroes
				
				38.Merge Intervals
				
				39.价格预测
				
				40.Verifying an Alien Dictionary
				
				41.Sort Characters By Frequency
				
				42.Kth Largest Element in an Array
				
				43.Random Pick with Weight
				
				44.Equal Sum Arrays With Minimum Number of Operations
				
				45.Minimum Deletions to Make Character Frequencies Unique
				

				46.组合
				
				47.Describe deep learning to a 5-year-old
				

				48.Favorite area in DS
				

				49.Describe a Data Science Project
				

				50.如何寻找outlier
				
				51.design a cab sharing service 
				
				52.How to predict users' rating
				
				53.设计一个ads recommendation system
				
				54.时间序列模型
				
				55.GBDT
				
				56.loss function
				
				57.回归树和决策树
				
				58.决策树的最优切分变量
				
				59.基础算法
				
				60.定调表操作
				
				61.如何判断系统更新是否成功
				
				62.Bayes' Theorem
				
				63.Win the game
				
				64.Bagging or boosting
				
				65.L1/L2 regularizations
				
				66.How would you deal with Overfitting?
				
				67.Regressoin and GBT model
				
				68.Bias and variance
				
				69.Loss function
				
				70.Logistic regression vs linear regression
				
				71.Central Limit Theory and Law of large number
				
				72.TypeI and TypeII error
				
				73.Different distributions
				
				74.通俗地解释confusion matrix
				
				75.Precision vs recall
				
				76.能否用accuracy来measure performance of a binary classification model
				
				77.Overfitting基本定义与解决方法
				
				78.Bagging vs Boosting
				
				79.False positive vs false negative
				
				80.Confidence Interval是什么
				
				81.How to deal with missing values
				
				82.数据清洗的基本步骤
				
				83.通俗地解释p_value
				
				84.Gradient decent vs gradient boosting
				
				85.Decision tree
				
				86.Novel effect
				
				87.预测网站浏览量
				
				88.K-means
				
				89.How to determine whether a new feature should be launched
				
				90.feature过多该怎么办
				
				91.通俗地解释p_value
				
				92.Merge Array
				
				93.如何处理feature过多的问题
				
				94.TF-IDF
				
				95.RNN模型
				
				96.LeetCode 1587
				
				97.Finding credit card information
				
				98.LeetCode1882
				
				99.Def function 
				
				100.三轮骰子游戏
				
				101.Logistics regression
				
				102.3 ants
				
				103.Unfair coin
				
				104.客户的健康指数
				
				105.100! vs 10^100
				
				106.Calculate CTR
				
				107.Car dealer 
				
				108.Learning rate
				
				109.Deep NN
				
				110.判断网页语言
				
				111.Device table
				
				112.Salary
				
				113. Max k value
				
				114.Shuffled
				
				115.Bipartite graph
				
				116.Probability: Family children
				
				117.New feature是不是successful
				
				118.Model and performance
				
				119.Missing value imputation
				
				120.将整数输出成string
				
				121.病人table
				
				122.Count sales
				

				123.Optimizing for Memory Constraints
				
				124.Finding the Median of a Data Set
				
				125.Counting Valid Times on a Digital Clock
				
				126.Maximum Sum of Non-negative Slice in Array
				
				127.Recipe Preparation from Available Ingredients
				
				128.Print any valid course schedule given courses as strings with prerequisites
				
				129.Generate an integer array from a float array with specific conditions
				
				130.Count Possible Times from Digits
				
				131.Recipe Preparation from Ingredients
				
				132.Discuss how you would apply your project in the industry and combine it with multi-modal data.
				
  1. Deep Learning Explained Simply for Kids 
 Explain deep learning to a child
2. Types of Neural Networks: An Overview 
 3. Customer Tracking Using Camera Footage 
 4. Dealing with December Customer Churn: What to Do? 
 在某个12月看到很多customer churn,问这个情况怎么办
5. Optimizing Budget Allocation for Multi-Platform Advertising. 
 如果你向很多平台投放广告,但是你有一个budget,你怎么能知道,你的budqet怎么向这些平台分配。
  
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