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Sensitivity Analysis of Scientific Models

By: Andrea Saltelli

John Wiley & Sons

Hardback | Jan 2008 | #164739 | ISBN-13: 9780470059975
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NHBS Price: £68.95 $88/€77 approx

About this book

Written by the leading names in the field, Sensitivity Analysis of Scientific Models offers an accessible summary of the essential concepts involved in a sound sensitivity analysis. It is a self-contained book allowing the reader to learn about, and practice, sensitivity analysis through the use of many exercises and solved problems. This book brings the methodology and applications described in `Sensitivity Analysis' up-to-date. Includes a chapter on experimental design, a topic neglected by the sensitivity analysis literature to date.

This is one of the few books to take on the problem head on and provide techniques in a very simple way. (Technometrics, November 2008)


Preface.1. Introduction to Sensitivity Analysi.1.1 Models and Sensitivity Analysis.1.1.1 Definition.1.1.2 Models.1.1.3 Models and Uncertainty.1.1.4 How to Set Up Uncertainty and Sensitivity Analyses.1.1.5 Implications for Model Quality.1.2 Methods and Settings for Sensitivity Analysis - An Introduction.1.2.1 Local versus Global.1.2.2 A Test Model.1.2.3 Scatterplots versus Derivatives.1.2.4 Sigma-normalized Derivatives.1.2.5 Monte Carlo and Linear Regression.1.2.6 Conditional Variances - First Path.1.2.7 Conditional Variances - Second Path.1.2.8 Application to Model (1.3).1.2.9 A First Setting: 'Factor Prioritization'1.2.10 Nonadditive Models.1.2.11 Higher-order Sensitivity Indices.1.2.12 Total Effects.1.2.13 A Second Setting: 'Factor Fixing'.1.2.14 Rationale for Sensitivity Analysis.1.2.15 Treating Sets.1.2.16 Further Methods.1.2.17 Elementary Effect Test.1.2.18 Monte Carlo Filtering.1.3 Nonindependent Input Factors.1.4 Possible Pitfalls for a Sensitivity Analysis.1.5 Concluding Remarks.1.6 Exercises.1.7 Answers.1.8 Additional Exercises.1.9 Solutions to Additional Exercises.2. Experimental Designs.2.1 Introduction.2.2 Dependency on a Single Parameter.2.3 Sensitivity Analysis of a Single Parameter.2.3.1 Random Values.2.3.2 Stratified Sampling.2.3.3 Mean and Variance Estimates for Stratified Sampling.2.4 Sensitivity Analysis of Multiple Parameters.2.4.1 Linear Models.2.4.2 One-at-a-time (OAT) Sampling.2.4.3 Limits on the Number of Influential Parameters.2.4.4 Fractional Factorial Sampling.2.4.5 Latin Hypercube Sampling.2.4.6 Multivariate Stratified Sampling.2.4.7 Quasi-random Sampling with Low-discrepancy Sequences.2.5 Group Sampling.2.6 Exercises.2.7 Exercise Solutions.3. Elementary Effects Method.3.1 Introduction.3.2 The Elementary Effects Method.3.3 The Sampling Strategy and its Optimization.3.4 The Computation of the Sensitivity Measures.3.5 Working with Groups.3.6 The EE Method Step by Step.3.7 Conclusions.3.8 Exercises.3.9 Solutions.4. Variance-based Methods.4.1 Different Tests for Different Settings.4.2 Why Variance?4.3 Variance-based Methods. A Brief History.4.4 Interaction Effects.4.5 Total Effects.4.6 How to Compute the Sensitivity Indices.4.7 FAST and Random Balance Designs.4.8 Putting the Method to Work: the Infection Dynamics Model.4.9 Caveats.4.10 Exercises.5. Factor Mapping and Metamodelling.5.1 Introduction.5.2 Monte Carlo Filtering (MCF).5.2.1 Implementation of Monte Carlo Filtering.5.2.2 Pros and Cons.5.2.3 Exercises.5.2.4 Solutions.5.2.5 Examples.5.3 Metamodelling and the High-Dimensional Model Representation.5.3.1 Estimating HDMRs and Metamodels.5.3.2 A Simple Example.5.3.3 Another Simple Example.5.3.4 Exercises.5.3.5 Solutions to Exercises.5.4 Conclusions.6. Sensitivity Analysis: from Theory to Practice.6.1 Example 1: a Composite Indicator.6.1.1 Setting the Problem.6.1.2 A Composite Indicator Measuring Countries' Performance in Environmental Sustainability.6.1.3 Selecting the Sensitivity Analysis Method.6.1.4 The Sensitivity Analysis Experiment and its Results.6.1.5 Conclusions.6.2 Example 2: Importance of Jumps in Pricing Options.6.2.1 Setting the Problem.6.2.2 The Heston Stochastic Volatility Model with Jumps.6.2.3 Selecting a Suitable Sensitivity Analysis Method.6.2.4 The Sensitivity Analysis Experiment.6.2.5 Conclusions.6.3 Example 3: a Chemical Reactor.6.3.1 Setting the Problem.6.3.2 Thermal Runaway Analysis of a Batch Reactor.6.3.3 Selecting the Sensitivity Analysis Method.6.3.4 The Sensitivity Analysis Experiment and its Results.6.3.5 Conclusions.6.4 Example 4: a Mixed Uncertainty-Sensitivity Plot.6.4.1 In Brief.6.5 When to use What?Afterword.Bibliography.Index.

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Andrea Saltelli, Francesca Campolongo, Jessica Cariboni, Debora Gatelli, Fulvia Pennoni, Marco Ratto, Michaela Saisana, Stefano Tarantola - Joint Research Centre of the European Commission, Ispra, Unit of Applied Statistics and Econometrics. Presently leading the Econometric and Applied Statistics Unit of the Joint Research Centre, lead author Professor Saltelli has published many articles in numerous journals over the last 30 years. He is also the main author and main editor of two previous books (both for Wiley). Terry Andres - Department of Computer Science, University of Manitoba. Dr Andres is one of the few people to successfully develop a graduate level sensitivity analysis course. He has delivered numerous courses to both students and practitioners and is an expert in experimental design.

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