Document Detail


Illicit drug profiling, reflection on statistical comparisons.
MedLine Citation:
PMID:  20870366     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
This paper presents reflexions about statistical considerations on illicit drug profiling and more specifically about the calculation of threshold for determining of the seizure are linked or not. The specific case of heroin and cocaine profiling is presented with the necessary details on the target profiling variables (major alkaloids) selected and the analytical method used. Statistical approach to compare illicit drug seizures is also presented with the introduction of different scenarios dealing with different data pre-treatment or transformation of variables. The main aim consists to demonstrate the influence of data pre-treatment on the statistical outputs. A thorough study of the evolution of the true positive rate (TP) and the false positive rate (FP) in heroin and cocaine comparison is then proposed to investigate this specific topic and to demonstrate that there is no universal approach available and that the calculations have to be revaluate for each new specific application.
Authors:
Pierre Esseiva; Laeticia Gaste; Daniel Alvarez; Frederic Anglada
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Publication Detail:
Type:  Journal Article     Date:  2010-09-25
Journal Detail:
Title:  Forensic science international     Volume:  207     ISSN:  1872-6283     ISO Abbreviation:  Forensic Sci. Int.     Publication Date:  2011 Apr 
Date Detail:
Created Date:  2011-03-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7902034     Medline TA:  Forensic Sci Int     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  27-34     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.
Affiliation:
Institut de Police Scientifique, University of Lausanne, Bâtiment de Chimie, CH-1015 Lausanne-Dorigny, Switzerland.
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