Spatio-Temporal (Hero) Sandwich Smoother

An implementation of the sandwich smoother proposed in Fast Bivariate Penalized Splines by Xiao et al. (2012) . A hero is a specific type of sandwich. (2018) <> describes a hero as: a large sandwich, usually consisting of a small loaf of bread or long roll cut in half lengthwise and containing a variety of ingredients, as meat, cheese, lettuce, and tomatoes.

R package implementing the (hero) sandwich smoother


Reference manual

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0.4.7 by Joshua French, a year ago

Browse source code at

Authors: Joshua French

Documentation:   PDF Manual  

GPL (>= 2) license

Imports Matrix, splines, optimx, pbapply, rgeos, sp, fields

Suggests autoimage, devtools, fda, igraph, testthat

See at CRAN