分析职位提醒邮件的用户互动，改进推荐系统
JobMatch Alerts, a job search company, is sending job alert emails to its members, so that they can apply to the job openings that match the keywords they are interested to. The…
Take-home 题库
14 道来自真实招聘流程的数据科学 take-home 作业。每道题都配有原始数据集，可以让你的 AI 助手直接在沙箱里分析。
题目的中文翻译正在进行中，暂时显示英文标题和简介。
分析订单评分和投诉，规划客服团队人手
PantryDrop delivers groceries on demand: our shoppers buy what customers order and bring it to their door. We'd love for you to analyze the data and share what you find. We know…
为招聘帖子建立薪资预测模型
JobFinder Search is a job search engine, and it’s helpful if we can suggest an approximate salary to job seekers for a given job post. Unfortunately, not all job postings…
根据历史还款表现，决定给哪些新申请人放贷
QuickLoan Lending, a consumer lender, has given you two datasets. One dataset includes application data for every customer that has been given a loan in a 6 month period. The…
对比大盘，诊断房屋翻新团队 2017 年的转售表现
The following case is designed to showcase your strategic problem solving and data analysis skills. The problem statements are intentionally open-ended. It is possible to spend as…
估算只在安卓上线的改版带来多少增量收入，并推算 iPhone 上线的效果
TrendFeed, a social media app, is launching a change to its 'Trending' product. Because of the Google Play store release schedule, they have to launch the product change on their…
评估 Facebook 再营销实验：召回流失的手游玩家
Your marketing partner at WarRealm Games would like to retarget users on Facebook who have lapsed from playing WarRealm, its mobile strategy game, believing one can create ROI…
评估推送通知 A/B 测试：能不能召回沉睡用户
The dataset is from GameStream Live, a social app for mobile gamers that lets users watch and interact with live streams and recorded videos of mobile game content.
找出 8 个变量里哪些最影响结果，并验证模型
The dataset is a .csv file containing data for 500 records. There are 8 predictor variables (x1, x2, …, x8) and one response variable (y). Use whichever pre-processing…
从早期外卖订单中找改进点，并设计验证实验
The data set contains a month's worth of sample delivery data from the earliest months of operation of MealGo, a food delivery company. This isn't the complete set, but it's…
用网络分析找出信用卡伪造案高发区，并预测下一起
The dataset is from Montgomery County, Maryland that details crime occurring within this county. As you will see, there are geospatial features within the data such as latitude…
建模对手和星期几对门票需求的影响，并预测未来比赛
The Lakeside Lumberjacks, a professional basketball team, want to understand ticket demand for their home games. The dataset contains three tables and you are required to model…
预测生鲜配送员在店内拣货要花多长时间
Welcome to GroceryRunner! We are a grocery delivery company that runs on data - and our awesome shoppers. One of the important ways we make customers happy is by delivering their…
给二手交易平台的卖家分群，据此划分客服团队
Millions of users trade their unused goods with each other on SecondHand Market, our marketplace app. Sellers often reach out to the our customer support team to help them through…
产品案例题
开放式的产品和指标题，没有数据集。讨论区即将上线。
- 网约车邀请奖励从免费乘车改成“免溢价”：怎么衡量效果
A product manager on the Growth Team at GoRide, a rideshare app, has proposed a new feature. Instead of getting a free ride for every successful invite, users…
- 外卖平台该不该招募自行车骑手？
The product manager at BiteNow, a food delivery app, wants to recruit bikers (bicycle couriers) for delivery. How would you think about this idea?