Lean Data Scientist

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Downloadable Takehomes

Statistics Dataset

The dataset contains three tables and you are required to model them and answer the following questions: 1. Open the attached document past_events.csv. In this document, Opponent and Day of Week are two attributes of an event, and value is Read more…

$39.99

Job Email Campaign Dataset

Background: A job searching 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 member first set keywords to trigger the alert, and Read more…

$49.99

Social Media Dataset

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 Android app before we launch the change on iPhone. The questions: Read more…

$49.99

Geospatial Analysis Dataset

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, longitude, block address, zip, etc. There are also time features, such as Read more…

$49.99

Grocery Shopping Dataset

Welcome! 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 groceries on-time. To do this, we start by asking “How long Read more…

$49.99

Remarketing Dataset

Your marketing partner would like to retarget users on Facebook who have lapsed from playing a mobile game, believing one can create ROI positive campaigns. Unfortunately, the marketer doesn’t know when to call a user “lapsed” and how to calculate Read more…

$59.99

Shopper Rating Dataset

We’d love for you to analyze the data and share what you find. We know that you don’t know much about how our team currently is run, but that’s okay. This data set includes information on orders, order location, customer Read more…

$39.99

A/B Testing Dataset

The dataset is from a social app for mobile gamers that enables users to watch and interact with live streams and recorded videos of mobile game content. A common key performance indicator for a mobile application is user retention (i.e., Read more…

$49.99

Job Salary Dataset

Assignment Description Being a job search engine, it’s helpful if we can suggest an approximate salary to job seekers for a given job post. Unfortunately, not all job postings designate the salary. This is where you come in: Your first Read more…

$49.99

Predictive Modeling Dataset

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, visualization and modeling techniques you like in R to describe which predictors Read more…

$39.99

Food Delivery Dataset

The data set contains a month’s worth of sample delivery data from the earliest months of operation of a food delivery company. This isn’t the complete set, but it’s comprehensive enough where you should be able to get a good Read more…

$49.99

Loan Analysis Dataset

You have been given two datasets. One dataset includes application data for every customer that has been given a loan in a 6 month period. The other contains every loan that has been given in this time and whether it Read more…

$39.99

House Flipping Dataset

Instructions 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 much or as little time on this exercise as you would like. Read more…

$39.99

E-Commerce Dataset

Millions of users trade their unused goods with other people on our marketplace app. Sellers often reach out to the our customer support team to help them through out the process. Our BI team wants to design a program to Read more…

$49.99