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Aitken, Colin G.

Statistical Analysis in Forensic Science: Evidential Values of Multivariate Physicochemical Data

Aitken, Colin G. - Statistical Analysis in Forensic Science: Evidential Values of Multivariate Physicochemical Data, ebook

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ISBN: 9781118763186
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A practical guide for determining the evidential value of physicochemical data

Microtraces of various materials (e.g. glass, paint, fibres, and petroleum products) are routinely subjected to physicochemical examination by forensic experts, whose role is to evaluate such physicochemical data in the context of the prosecution and defence propositions. Such examinations return various kinds of information, including quantitative data. From the forensic point of view, the most suitable way to evaluate evidence is the likelihood ratio. This book provides a collection of recent approaches to the determination of likelihood ratios and describes suitable software, with documentation and examples of their use in practice.  The statistical computing and graphics software environment R, pre-computed Bayesian networks using Hugin Researcher and a new package, calcuLatoR, for the computation of likelihood ratios are all explored.

Statistical Analysis in Forensic Science will provide an invaluable practical guide for forensic experts and practitioners, forensic statisticians, analytical chemists, and chemometricians.

Key features include:

  • Description of the physicochemical analysis of forensic trace evidence.
  • Detailed description of likelihood ratio models for determining the evidential value of multivariate  physicochemical data.
  • Detailed description of methods, such as empirical cross-entropy plots, for assessing the performance of likelihood ratio-based methods for evidence evaluation.
  • Routines written using the open-source R software, as well as Hugin Researcher and calcuLatoR.
  • Practical examples and recommendations for the use of all these methods in practice. 

Keywords: Applied Probability & Statistics, Grzegorz Zadora, Daniel Ramos, Statistical Analysis in Forensic Science, forensic statistics, evidence evaluation, evidence evaluation methods, physicochemical data, multivariate physicochemical data, likelihood ratio approach, statistical analysis of disease, statistical probability of disease, statistical analysis of physicochemical data, food authenticity analysis, chemometrics, analytical chemistry

Author(s)
 
 
 
Publisher
John Wiley and Sons, Inc.
Publication year
2013
Language
en
Edition
1
Page amount
336 pages
Category
Natural Sciences
Format
Ebook
eISBN (ePUB)
9781118763186
Printed ISBN
9780470972106

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