Chi-Squared Data Analysis and Model Testing for Beginners

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Carey Witkov (Preceptor in Physics, Preceptor in Physics, Harvard University, Massachusetts) Keith Zengel (Preceptor in Physics, Preceptor in Physics, Harvard University, Massachusetts)

Chi-Squared Data Analysis and Model Testing for Beginners

Carey Witkov (Preceptor in Physics, Preceptor in Physics, Harvard University, Massachusetts), Keith Zengel (Preceptor in Physics, Preceptor in Physics, Harvard University, Massachusetts)

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English

Oxford University Press
26 September 2019

Mathematical modelling; Maths for scientists; Particle & high-energy physics; Statistical physics; Mathematical physics

Recent groundbreaking discoveries in physics, including the discovery of the Higgs Boson and gravitational waves, have relied on chi-squared analysis and model testing, a data analysis method.

This is the first book to make chi-squared model testing accessible to students in introductory physics lab courses and others who need to learn this method, such as beginning researchers in astrophysics and particle physics, beginners in data science, and lab students in other experimental sciences. For over a decade, Harvard University's introductory physics lab sequence has made chi-squared model testing its central theme. Written by two faculty members, the book is based on years of experience teaching students learn how to think like scientists by testing their models using chi-squared analysis. By including uncertainties in the curve fitting technique, chi-squared data analysis improves on the centuries old ordinary least squares and linear regression methods and combines best fit parameter estimation and model testing in one method.

A toolkit of essential statistical and experimental concepts is developed from the ground up with novel features to interest even those familiar with the material.

The presentation of one and two parameter chi-squared model testing, requiring only elementary probability and algebra, is followed by case studies that apply the methods to simple introductory physics lab experiments.

More challenging topics requiring calculus are addressed in an advanced topic chapter.

This self-contained and student-friendly introduction includes a glossary, end of chapter problems with complete solutions, and software scripts available in several popular programming languages that the reader can use for chi-squared model testing.

By: Carey Witkov (Preceptor in Physics Preceptor in Physics Harvard University Massachusetts), Keith Zengel (Preceptor in Physics, Preceptor in Physics, Harvard University, Massachusetts)
Imprint: Oxford University Press
Country of Publication: United Kingdom
Dimensions: Height: 235mm, Width: 162mm, Spine: 12mm
Weight: 334g
ISBN: 9780198847144
ISBN 10: 0198847149
Pages: 112
Publication Date: 26 September 2019
Audience: College/higher education , Professional and scholarly , A / AS level , Further / Higher Education
Format: Hardback
Publisher's Status: Active

1: Introduction 2: Statistical Toolkit 3: One Parameter Chi-squared Analysis 4: Two Parameter Chi-Squared Analysis 5: Case Study 1: Falling Chains 6: Case Study 2: Modeling Air Resistance on Falling Coffee Filters 7: Advanced Topics

Carey Witkov, PhD, is a preceptor in physics at Harvard University with over 40 years of undergraduate physics teaching experience. He teaches Harvard University's innovative Principles of Scientific Inquiry (PSI) introductory physics lab courses within which freshman and sophomore students learn chi-squared analysis and model testing. His favorite physics lab experiments are those that involve simple equipment but sophisticated analysis. Keith Zengel received his PhD in experimental particle physics from Brandeis University in 2015. He worked on the ATLAS experiment at the Large Hadron Collider, searching for supersymmetric and exotic particles and writing software for the endcap muon spectrometer. Since then he has worked as a Preceptor in Physics at Harvard University. His current research interests are introductory and intermediate classical mechanics, electrodynamics, and data analysis.

Reviews for Chi-Squared Data Analysis and Model Testing for Beginners

"...delightful little book with a simple aim - to make chi-squared data analysis accessible to first-year physics students. Not only does the book succeed in this aim, but it does so without resorting to the oftused ""collection of recipes"" approach that makes statistical modeling seem more like magic than a coherent system of scientific thinking...I highly recommend this book for many applied fields - not just physics."" * Thomas J. Faulkenberry, Mathematical Association of America, Mathematical Association of America website *"