940 resultados para local-to-zero analysis


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Translation of Einleitung indie chemische analyse

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"Prepared by Lois Blanchard ... and Walter Corson."

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"International atomic weights, 1929" on lining-paper.

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Mode of access: Internet.

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Social movement theories offer useful conceptual and analytical tools to the study and research of global media reform movements. This article is a critical analysis of the Communication Rights in the Information Society (CRIS) campaign. It explores its successes and blind-spots in the light of social movement theory, in particular resource mobilization theory (RMT), and offers practical directions for the movement to move on from where it is to where it ought to be.

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Proceedings of the 44th Rocky Mountain conference on analytical chemistry

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Jaccard has been the choice similarity metric in ecology and forensic psychology for comparison of sites or offences, by species or behaviour. This paper applies a more powerful hierarchical measure - taxonomic similarity (s), recently developed in marine ecology - to the task of behaviourally linking serial crime. Forensic case linkage attempts to identify behaviourally similar offences committed by the same unknown perpetrator (called linked offences). s considers progressively higher-level taxa, such that two sites show some similarity even without shared species. We apply this index by analysing 55 specific offence behaviours classified hierarchically. The behaviours are taken from 16 sexual offences by seven juveniles where each offender committed two or more offences. We demonstrate that both Jaccard and s show linked offences to be significantly more similar than unlinked offences. With up to 20% of the specific behaviours removed in simulations, s is equally or more effective at distinguishing linked offences than where Jaccard uses a full data set. Moreover, s retains significant difference between linked and unlinked pairs, with up to 50% of the specific behaviours removed. As police decision-making often depends upon incomplete data, s has clear advantages and its application may extend to other crime types. Copyright © 2007 John Wiley & Sons, Ltd.