Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results (2021)

Chapter: Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions

Previous Chapter: Chapter 1 - Introduction and Background
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 9
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 10
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 11
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 12
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 13
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 14
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 15
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 16
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 17
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 18
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 19
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 20
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 21
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 22
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 23
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 24
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 25
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 26
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 27
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 28
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 29
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 30
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 31
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 32
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 33
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 34
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 35
Suggested Citation: "Chapter 2 - Quantifying the Reliability of CPM Estimates for Mismatches Between Crash Modification Factors and SPF Base Conditions." National Academies of Sciences, Engineering, and Medicine. 2021. Reliability of Crash Prediction Models: A Guide for Quantifying and Improving the Reliability of Model Results. Washington, DC: The National Academies Press. doi: 10.17226/26517.
Page 36
Next Chapter: Chapter 3 - Quantifying the Reliability of CPM Estimates for Error in Estimated Input Values
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