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Article

Ensembles of Overfit and Overconfident Forecasts

By: Y. Grushka-Cockayne, V.R.R. Jose and K. C. Lichtendahl

Firms today average forecasts collected from multiple experts and models. Because of cognitive biases, strategic incentives, or the structure of machine-learning algorithms, these forecasts are often overfit to sample data and are overconfident. Little is known about... View Details

Keywords: Decision Analysis; Data Science; Forecasting and Prediction; Data and Data Sets

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February 2021
Tutorial

Getting Started in RStudio Cloud

By: Chiara Farronato and Caleb Kwon

This video provides an introduction to the free programming language R using an online cloud version of RStudio, which is the most popular editor and interface for writing and executing R code. The video begins by providing a brief background of R and RStudio and... View Details

Keywords: Data Analysis; Data Analytics; Experiment; Experimental Design; Analytics and Data Science; Analysis; Applications and Software

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November 5, 2021
Article

Leaders: Stop Confusing Correlation with Causation

By: Michael Luca

We’ve all been told that correlation does not imply causation. Yet many business leaders, elected officials, and media outlets still make causal claims based on misleading correlations. These claims are too often unscrutinized, amplified, and mistakenly used to guide... View Details

Keywords: Behavioral Economics; Data Analysis; Organizations; Decision Making; Analytics and Data Science; Analysis; Learning

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Africa: research, news, analysis

business environment. Search Tip: Go to Data Tool to download specific indicators of interest, including indicators relating to consumer consumption, income, demographics, etc. Oxford Business Group Country Reports Useful for:... View Details

December 2022 (Revised January 2025)
Case

Akooda: Charging Toward Operational Intelligence

By: Christopher Stanton and Mel Martin

The Akooda case describes the challenges confronting founder and CEO Yuval Gonczarowski (MBA ‘17) in 2022 as he attempts to boost sales. Launched in November 2020, Akooda was an AI company that mined 20 different sources of digital data, from tools like Slack, Google... View Details

Keywords: Data Mining; Productivity; Monitoring; Data Analysis; AI and Machine Learning; Knowledge Management; Operations; Problems and Challenges; Employee Relationship Management; Information Technology Industry; Technology Industry; Information Industry; Boston; Israel

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16 Aug 2010
Lessons from the Classroom

HBS Introduces Marketing Analysis Tools for Managers

marketing has undergone immense changes over the past decade, and those changes are driving an increasing need for data analysis. Marketing today combines both art and science: Managers must combine creative thinking with rigorous View Details

Keywords: by Sarah Jane Gilbert

22 Aug 2005
Research & Ideas

The Hard Work of Failure Analysis

of an airliner. Hundreds of hours may go into gathering and analyzing data to sort out exactly what happened and what can be learned. Compare this kind of analysis to what takes place in most organizations... View Details

Keywords: by Amy Edmondson & Mark D. Cannon

16 Oct 2019
Working Paper Summaries

Core Earnings? New Data and Evidence

Keywords: by Ethan Rouen, Eric So, and Charles C.Y. Wang

04 Jun 2024
Research & Ideas

Navigating Consumer Data Privacy in an AI World

be forgotten.” So, if someone asks a company to delete their records because they don't want to be part of any data analysis or algorithms, the company needs to act fast and get it done. Sticking to the... View Details

Keywords: by Rachel Layne; Technology; Information Technology

11 May 2021
Working Paper Summaries

Time Dependency, Data Flow, and Competitive Advantage

Keywords: by Ehsan Valavi, Joel Hestness, Marco Iansiti, Newsha Ardalani, Feng Zhu, and Karim R. Lakhani

2013
Chapter

Privacy Breach Analysis in Social Networks

By: Frank Nagle

Over the past 5–10 years, online social networks have rapidly expanded, and as of March 2012 the largest online social network, Facebook, had over 901 million active members. The wealth of information users post in their social network profiles, as well as the... View Details

Keywords: Crime and Corruption; Social and Collaborative Networks; Social Media; Cybersecurity; Analytics and Data Science

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Research Summary

Finding their voice: Time and the conditions that elevate participation of lower-power members in teams [Dissertation, data analysis and writing]

This dissertation paper develops theory about how gaining voice and “speaking up” by low-power members is not sufficient to create changes that benefit them and their low-power colleagues; that, in fact, speaking up when the team is not ready to listen results in... View Details

19 Dec 2023
Research & Ideas

$15 Billion in Five Years: What Data Tells Us About MacKenzie Scott’s Philanthropy

analysis was tax filings made with the US Internal Revenue Service, which is the most comprehensive and reliable source of nonprofit financial information. Our financial data reflects the year prior to the... View Details

Keywords: by Matthew Lee, Brian Trelstad, and Ethan Tran

Data Practices - Research Computing Services

Scraping Power Analysis Causal Inference Missing Data Other Data Resources Data Repositories Harvard Dataverse at IQSS Baker Library Databases... View Details

August 2005 (Revised April 2008)
Teaching Note

Store24 (B): Statistics Review with Data Desk (TN)

By: Frances X. Frei

Presents an overview of the statistical analysis covered in the case discussion. View Details

Keywords: Mathematical Methods; Retail Industry

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Commodities Research: data and reports

Foreign Agricultural Service PS&D (Production, Supply & Distribution) Provides both data and monthly analysis on agricultural commodities. View Details

February 2021
Tutorial

T-tests: Theory and Practice

By: Michael Parzen, Natalie Epstein, Chiara Farronato and Michael Toffel

This video provides an introduction to hypothesis testing, sampling, t-tests, and p-values. It provides examples of A/B testing and t-testing to assess whether difference between two groups are statistically significant. This video can be assigned in conjunction with... View Details

Keywords: Data Analysis; Data Analytics; Experiment Design; Experimentation; Analytics and Data Science; Analysis

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Article

Mitigating Bias in Adaptive Data Gathering via Differential Privacy

By: Seth Neel and Aaron Leon Roth

Data that is gathered adaptively—via bandit algorithms, for example—exhibits bias. This is true both when gathering simple numeric valued data—the empirical means kept track of by stochastic bandit algorithms are biased downwards—and when gathering more complicated... View Details

Keywords: Bandit Algorithms; Bias; Analytics and Data Science; Mathematical Methods; Theory

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