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Lichtendahl, Kenneth C. Jr.

Logistic Regression: Modeling with StatTools

Lichtendahl, Kenneth C. Jr. ; Andrasko, Joe ; Boatright, Benjamin

QA-0945 | Published June 12, 2023 | 6 pages Technical Note

Collection: Darden School of Business

Logistic regression is a modeling technique often used to predict a binary variable—a variable coded as 1 if an event of interest occurs (e.g., a borrower defaults on a loan) and coded as 0 otherwise.... Read More

Google Cloud Platform: BigQuery ML

Lichtendahl, Kenneth C. Jr. ; Boatright, Benjamin

QA-0942 | Published May 26, 2022 | 11 pages Technical Note

Collection: Darden School of Business

Google Cloud Platform offers BigQuery ML, a popular cloud computing resource for developing data models. This note provides information about creating, evaluating, and deploying data models with BigQu... Read More

Zillow Offers' "Volatile Error Rate"

Lichtendahl, Kenneth C. Jr. ; Boatright, Benjamin

QA-0944 | Published May 24, 2022 | 4 pages Case

Collection: Darden School of Business

In November 2021, Zillow announced that it was planning to shut down Zillow Offers, its iBuying program that leveraged its home value algorithm to quickly purchase homes for later resale. Zillow made ... Read More

Mobilizing Surge Response Teams

Lichtendahl, Kenneth C. Jr. ; Tassone, Eric ; Boatright, Benjamin

QA-0935 | Published April 01, 2022 | 13 pages Case

Collection: Darden School of Business

In July 2021, the Biden administration formed surge response teams to assist states with the surge in COVID-19 cases. The aim was to track the virus’s development using data provided from the states t... Read More

Google Cloud Platform: BigQuery Explainable AI

Lichtendahl, Kenneth C. Jr. ; Boatright, Benjamin

QA-0943 | Published March 31, 2022 | 10 pages Technical Note

Collection: Darden School of Business

Machine-learning (ML) models have become a common tool used across a multitude of industries to help people make decisions. As these models have increased in predictive power, many have also grown in ... Read More

Google Cloud Platform: Cloud Storage

Lichtendahl, Kenneth C. Jr. ; Andrasko, Joe ; Boatright, Benjamin

QA-0941 | Published March 28, 2022 | 7 pages Technical Note

Collection: Darden School of Business

Google Cloud Platform (GCP) offers Cloud Storage, a popular cloud computing resource for data storage. This note provides information about uploading data to Cloud Storage, creating BigQuery tables fr... Read More

Introduction to Tableau

Lichtendahl, Kenneth C. Jr. ; Andrasko, Joe ; Boatright, Benjamin

QA-0940 | Published March 28, 2022 | 14 pages Technical Note

Collection: Darden School of Business

Tableau is a powerful visualization software that supports the data analysis process. The program allows users to create custom visualizations from datasets of all sizes and types using a simple drag-... Read More

Google Cloud Platform: BigQuery

Lichtendahl, Kenneth C. Jr. ; Andrasko, Joe ; Boatright, Benjamin

QA-0929 | Published March 28, 2022 | 10 pages Technical Note

Collection: Darden School of Business

Google Cloud Platform (GCP) offers a popular cloud computing resource for writing Structured Query Language (SQL) queries. The resource is called BigQuery. This note provides step-by-step information ... Read More

DIY Zillow

Lichtendahl, Kenneth C. Jr. ; Boatright, Benjamin ; Andrasko, Joe

QA-0931 | Published December 14, 2021 | 9 pages Case

Collection: Darden School of Business

This case examines a realtor’s attempt to improve an online residential real estate website’s mapping and home estimation features. With the help of a data scientist, the two professionals work to cre... Read More

MovieLens: Filtering on Others' Reactions

Lichtendahl, Kenneth C. Jr. ; Boatright, Benjamin ; Holtz, Paul

QA-0927 | Published August 17, 2021 | 6 pages Case

Collection: Darden School of Business

This case introduces students to relational databases and the basics of collaborative filtering, a popular recommendation system technique. The case points to a dataset shared by GroupLens, a research... Read More

FanShop

Lichtendahl, Kenneth C. Jr. ; Andrasko, Joe ; Boatright, Benjamin

QA-0887 | Published August 11, 2021 | 6 pages Exercise

Collection: Darden School of Business

This exercise explores customer transaction data generated from a business owner's website and illustrates the added benefit of basic data analytics practices used to uncover business insights. Studen... Read More

Tweets, Retweets, and Entrepreneurship

Lichtendahl, Kenneth C. Jr. ; Grushka-Cockayne, Yael ; Friedman, Sasha ; Greenfield, John

QA-0838 | Published March 06, 2020 | 6 pages Case

Collection: Darden School of Business

This case looks into how to effectively engage audiences through social media marketing. Specifically, the case addresses how entrepreneurs can use Twitter to generate community awareness through twee... Read More

Carvana: IsBadBuy?

Lichtendahl, Kenneth C. Jr. ; Holtz, Paul

QA-0886 | Published November 21, 2019 | 6 pages Case

Collection: Darden School of Business

This case, which has been taught successfully in a Darden online class, allows for an introductory application of the Tableau analytics platform. In 2012, Carvana Co., an e-commerce platform for buyin... Read More

Fannie Mae's Data Dynamics

Lichtendahl, Kenneth C. Jr. ; Loutskina, Elena ; Grushka-Cockayne, Yael ; Yemen, Gerry ; Boatright, Benjamin

QA-0903 | Published February 13, 2019 | 12 pages Case

Collection: Darden School of Business

This case uses one of Fannie Mae’s credit-risk transfer instruments (CRT) to explore its data set platform and predict loan defaults through machine learning algorithms. The CRT, called Connecticut Av... Read More

Opening Casino Jack

Grushka-Cockayne, Yael ; Lichtendahl, Kenneth C. Jr. ; Green, Andrew ; Fennell, Temple

QA-0827 | Published August 07, 2015 | 3 pages Case

Collection: Darden School of Business

Temple Fennell, CEO of ATO Pictures, recalled the distribution of ATO’s first U.S. film, Casino Jack, starring Kevin Spacey. He reflected on the red carpet thrills during the opening week in December... Read More

A/B Testing at Vungle

Grushka-Cockayne, Yael ; Lichtendahl, Kenneth C. Jr. ; De Reyck, Bert ; Fragkos, Ioannis

QA-0821 | Published April 13, 2015 | 7 pages Case

Collection: Darden School of Business

Two recently graduated MBA students are tasked with developing an ad-serving learning algorithm for a mobile ad-serving company. The case illustrates the way in which hypotheses can be tested in an A/... Read More

Yahoo's Acquisition of Tumblr

Lichtendahl, Kenneth C. Jr. ; Kritzer, Andrew

QA-0818 | Published September 17, 2014 | 9 pages Case

Collection: Darden School of Business

This case works well to provide experience with developing a revenue growth forecast using time series analysis. Students are asked to run several exponential smoothing models to predict the growth in... Read More

Segmenting Clinton and Obama Voters

Lichtendahl, Kenneth C. Jr. ; Gupta, Rohit

QA-0807 | Published August 08, 2013 | 5 pages Case

Collection: Darden School of Business

The purpose of this case is to introduce data visualization, advanced regression techniques, and supervised learning. Students are asked to visualize data geographically and in scatterplots. They will... Read More

Surveying Professional Forecasters

Grushka-Cockayne, Yael ; Lichtendahl, Kenneth C. Jr.

QA-0805 | Published June 27, 2013 | 6 pages Case

Collection: Darden School of Business

This case illustrates how averaging point forecasts harnesses the wisdom of crowds. Students access data from the Survey of Professional Forecasters (SPF) and compare the performance of the crowd (i.e... Read More

Ocean's Dilemma

Grushka-Cockayne, Yael ; Lichtendahl, Kenneth C. Jr. ; Gupta, Rohit

QA-0798 | Published July 27, 2012 | 6 pages Case

Collection: Darden School of Business

The case is intended for a class relatively early in a decision analysis or a risk analysis class module. The case can be used as the very first case in the course if students are familiar with the co... Read More

Scoring Expert Forecasts

Lichtendahl, Kenneth C. Jr. ; Grushka-Cockayne, Yael

QA-0772 | Published July 12, 2011 | 5 pages Technical Note

Collection: Darden School of Business

This technical note, based on the more comprehensive note, "Eliciting and Evaluating Expert Forecasts" (UVA-QA-0734), provides a streamlined presentation of Brier and log scores as tools for assessing... Read More

Ballis's Benchmark (A)

Lichtendahl, Kenneth C. Jr. ; Grushka-Cockayne, Yael

F-1621 | Published February 04, 2011 | 9 pages Case

Collection: Darden School of Business

In this case series, Margaret Ballis, a soon-to-be Darden School of Business graduate, is about to begin her dream job at a leading investment management firm. On her way to becoming a fund manager, s... Read More

Ballis's Benchmark (B)

Lichtendahl, Kenneth C. Jr. ; Grushka-Cockayne, Yael

F-1622 | Published February 04, 2011 | 3 pages Case

Collection: Darden School of Business

In this case series, Margaret Ballis, a soon-to-be Darden School of Business graduate, is about to begin her dream job at a leading investment management firm. On her way to becoming a fund manager, s... Read More

PriceMax

Lichtendahl, Kenneth C. Jr. ; Grushka-Cockayne, Yael

QA-0748 | Published July 21, 2010 | 10 pages Case

Collection: Darden School of Business

A large general-merchandise retailer misses its fiscal year earnings-per-share guidance, so its CFO is charged with improving the firm's forecasts. This case presents the use of probability distributi... Read More

Kelly Solar

Bodily, Samuel E. ; Lipson, Marc L. ; Lichtendahl, Kenneth C. Jr.

F-1614 | Published January 29, 2010 | 3 pages Case

Collection: Darden School of Business

A small start-up company must make additional investments to maximize its firm value. But the company owner will not make this investment unless she can renegotiate outstanding debt claims. Solving th... Read More

Eliciting and Evaluating Expert Forecasts

Lichtendahl, Kenneth C. Jr.

QA-0734 | Published July 02, 2009 | 9 pages Technical Note

Collection: Darden School of Business

This note emphasizes the idea that managers will often want to ask experts to express their opinions about important business risks using the precise language of probability. Examples are drawn from t... Read More

Airbus and Boeing: Superjumbo Decisions

Lichtendahl, Kenneth C. Jr.

QA-0720 | Published May 07, 2008 Case

Collection: Darden School of Business

Set in 1999, this case allows students to put themselves in the positions of both Airbus and Boeing as Boeing considered how to respond to Airbus's decision to announce its plans to proceed or not wit... Read More

SnackChips in China

Bodily, Samuel E. ; Lichtendahl, Kenneth C. Jr. ; Clemen, Robert

QA-0698 | Published April 08, 2007 | 6 pages Case

Collection: Darden School of Business

This case is intended to work well as an exam or a capstone for a course on decision analysis, simulation, real options, and game theory. It explores a conventional snack-chip marketer's strategy in C... Read More