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      Measuring the Effect of the Real Estate Bubble: a House Price Index for Bilbao 

      Bárcena Ruiz, María Jesús; Menéndez, Patricia; Palacios, María Blanca; Tusell Palmer, Fernando Jorge (2011-11)
      A spatio-temporal model is proposed aimed at producing an index of housing prices. A hedonic model with geographically varying coefficients is coupled with a non parametric estimation of the trend, whence a price index is derived.
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      Multivariate Data Imputation using Trees 

      Bárcena Ruiz, María Jesús; Tusell Palmer, Fernando Jorge (2002)
      We address the problem of completing two files with records containing a fully observed common subset of variables. The tecnique investigated involves the use of regression and/or classification trees. An extension of ...