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Missing data in optimal scaling

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Author Info
Pieralda FERRARI ()
Paola ANNONI ()

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Abstract

We propose a procedure to assess a measure for a latent phenomenon, starting from the observation of a wide set of ordinal variables affected by structured missing data. The proposal is based on Nonlinear PCA technique to be jointly used with an ad hoc imputation method for the treatment of missing data. The procedure is particularly suitable when dealing with ordinal, or mixed, variables, which are strongly interrelated and in the presence of specific patterns of missing observations

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Paper provided by Department of Economics University of Milan Italy in its series Departemental Working Papers with number 2005-19.

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Date of creation: 01 Jan 2005
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Handle: RePEc:mil:wpdepa:2005-19

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Keywords: Nonlinear PCA monotone missing data ordinal variables missing data passive

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  1. Pieralda Ferrari & Paola Annoni & Sergio Urbisci, 2005. "A Proposal for Setting-up Indicators in the Presence of Missing Data: the Case of Vulnerability Indicators," UNIMI - Research Papers in Economics, Business, and Statistics 1002, Universitá degli Studi di Milano. [Downloadable!]
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