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Bad Data

Gary Smith

in The AI Delusion

Published in print:
2018
Published Online:
November 2020
ISBN:
9780198824305
eISBN:
9780191917295
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198824305.003.0006
Subject:
Computer Science, Artificial Intelligence, Machine Learning

When I first started teaching economics in 1971, my wife’s grandfather (“Popsie”) knew that my Ph.D. thesis used Yale’s big computer to estimate an extremely complicated economic model. Popsie had ... More


Using Bad Data

Gary Smith and Jay Cordes

in The 9 Pitfalls of Data Science

Published in print:
2019
Published Online:
September 2019
ISBN:
9780198844396
eISBN:
9780191879937
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198844396.003.0002
Subject:
Mathematics, Applied Mathematics, Numerical Analysis

Good data scientists consider the reliability of the data, while data clowns don’t. Reported data sometimes systematically misrepresent the phenomena being recorded. Data can be deformed by extremely ... More


Seeing Things for What They Are

Gary Smith and Jay Cordes

in The Phantom Pattern Problem: The Mirage of Big Data

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198864165
eISBN:
9780191896514
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198864165.003.0010
Subject:
Mathematics, Applied Mathematics, Numerical Analysis

Patterns need not be combinations of numbers. For example, employees—ranging from clerks to CEOs—who do their jobs extremely well are often less successful when they are promoted to new positions—a ... More


The Phantom Pattern Problem: The Mirage of Big Data

Gary Smith and Jay Cordes

Published in print:
2020
Published Online:
October 2020
ISBN:
9780198864165
eISBN:
9780191896514
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198864165.001.0001
Subject:
Mathematics, Applied Mathematics, Numerical Analysis

Pattern recognition prowess served our ancestors well. However, today we are confronted by a deluge of data that are far more abstract, complicated, and difficult to interpret than were annual ... More


Neighborhood Supply Issues

Marlon Boarnet and Randall C. Crane

in Travel by Design: The Influence of Urban Form on Travel

Published in print:
2001
Published Online:
November 2020
ISBN:
9780195123951
eISBN:
9780197561317
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780195123951.003.0012
Subject:
Earth Sciences and Geography, Economic Geography

Chapter 3 reviewed the literature regarding the influence of the built environment on travel behavior, and chapter 4 then described one way the issue might be usefully studied. The empirical work ... More


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