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http://hdl.handle.net/10071/10900
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Title: MF calculator: a web-based application for analyzing similarity
Authors: Sales, C. M. D.
Wakker, P. P.
Alves, P. C. G.
Faísca, L.
Keywords: Additive similarity trees
Feature similarity
Ill-structured data
Metric distance
Metric similarity
Metric-frequency calculator
Software implementation
Issue Date: 2015
Publisher: Foundation for Open Access Statistics
Abstract: This paper presents the metric-frequency calculator (MF Calculator), an online application to analyze similarity. The MF Calculator implements a metric-frequency similarity algorithm for the quantitative assessment of similarity in ill-structured data sets. It is widely applicable as it can be used with nominal, ordinal, or interval data when there is little prior control over the variables to be observed regarding number or content. The MF Calculator generates a proximity matrix in CSV, XML or DOC format that can be used as input to traditional statistical techniques such as hierarchical clustering, additive trees, or multidimensional scaling. The MF Calculator also displays a graphical representation of outputs using additive similarity trees. A simulated example illustrates the implementation of the MF calculator. An additional example with real data is presented, in order to illustrate the potential of combining the MF Calculator with cluster analysis. The MF Calculator is a user-friendly tool available free of charge. It can be accessed from http : //mfcalculator.celiasales.org/Calculator.aspx, and it can be used by non-experts from a wide range of social sciences.
Peer reviewed: yes
URI: http://hdl.handle.net/10071/10900
DOI: 10.18637/jss.v065.c02
ISSN: 1548-7660
Ciência-IUL: https://ciencia.iscte-iul.pt/id/ci-pub-27819
Accession number: WOS:000365975600001
Appears in Collections:CIS-RI - Artigos em revistas científicas internacionais com arbitragem científica

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