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The implemented method uses for smoothing bivariate thin plate splines, bivariate lassotype regularization, and allows for both period and cohort effects. Thus the mortality rates are modelled as the sum of four components: a smooth bivariate function of age and time, smooth onedimensional cohort effects, smooth onedimensional period effects and random errors.
Package details 


Author  Alexander Dokumentov, Rob J Hyndman 
Date of publication  20160918 12:59:47 
Maintainer  Alexander Dokumentov <alexander.dokumentov@gmail.com> 
License  GPL (>= 2) 
Version  0.1 
URL  https://bitbucket.org/alexanderdokumentov/smoothapcpackage 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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