Sparse Method to Identify Joint Effects of Functional Predictors

A set of functions allowing to implement the 'SpiceFP' approach which is iterative. It involves transformation of functional predictors into several candidate explanatory matrices (based on contingency tables), to which relative edge matrices with contiguity constraints are associated. Generalized Fused Lasso regression are performed in order to identify the best candidate matrix, the best class intervals and related coefficients at each iteration. The approach is stopped when the maximal number of iterations is reached or when retained coefficients are zeros. Supplementary functions allow to get coefficients of any candidate matrix or mean of coefficients of many candidates. <>.


Reference manual

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0.1.0 by Girault Gnanguenon Guesse, 4 months ago

Browse source code at

Authors: Girault Gnanguenon Guesse [aut, cre] , Patrice Loisel [aut] , Benedicte Fontez [aut] , Nadine Hilgert [aut] , Thierry Simonneau [ctr] , Isabelle Sanchez [ctr]

Documentation:   PDF Manual  

GPL-3 license

Imports doParallel, foreach, stringr, tidyr, Matrix, genlasso, purrr, gplots

Suggests rmarkdown, knitr, fields

See at CRAN