copula regression spline sample selection models: the r package semiparsamplesel

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ID: 255866
2016
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Abstract
Sample selection models deal with the situation in which an outcome of interest is observed for a restricted non-randomly selected sample of the population. The estimation of these models is based on a binary equation, which describes the selection process, and an outcome equation, which is used to examine the substantive question of interest. Classic sample selection models assume a priori that continuous covariates have a linear or pre-specified non-linear relationship to the outcome, and that the distribution linking the two equations is bivariate normal. We introduce the R package SemiParSampleSel which implements copula regression spline sample selection models. The proposed implementation can deal with non-random sample selection, non-linear covariate-response relationships, and non-normal bivariate distributions between the model equations. We provide details of the model and algorithm and describe the implementation in SemiParSampleSel. The package is illustrated using simulated and real data examples.
Reference Key
wojty2016journalcopula Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Magorzata Wojtyś;Giampiero Marra;Rosalba Radice
Journal open geospatial data, software and standards
Year 2016
DOI
10.18637/jss.v071.i06
URL
https://www.jstatsoft.org/index.php/jss/article/view/2777
Keywords
selection bias copula rstatistics penalized regression spline

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