R/grpe.gsi.r

In multisensi: Multivariate Sensitivity Analysis

# Multisensi R package ; file grpe.gsi.r (last modified: 2013-07-03) 
# Authors: C. Bidot, M. Lamboni, H. Monod
# Copyright INRA 2011-2018 
# MaIAGE, INRA, Univ. Paris-Saclay, 78350 Jouy-en-Josas, France
#
# More about multisensi in https://CRAN.R-project.org/package=multisensi
#
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#===========================================================================
grpe.gsi <- function(GSI,fact.interet)
#===========================================================================
{
    ## GSI           : GSI object
    ## Fact.interet  ; a vecteur of the names of factors to be grouped.  Eg c("A","B")


    ##     fact.interet1 <- fact.interet
    ## Decomposition entre effets d'interet et autres
    facteurs <- rownames(GSI$Att)
    fact.interet <- apply(outer(facteurs,fact.interet,"=="),1,any)
    if(sum(fact.interet)==1){
        filtre1 <- GSI$Att[fact.interet,]
    } else{
        filtre1 <- apply( GSI$Att[fact.interet,],2,any)
    }
    if(sum(!fact.interet)==1){
        filtre2 <- GSI$Att[!fact.interet,]
    }  else{
        filtre2 <- apply( GSI$Att[!fact.interet,],2,any)
    }
    term1 <- filtre1 & (!filtre2)
    term2 <- (!filtre1) & filtre2
    indic.intrt <- rbind(GSI$Att[!fact.interet,],fact.interet=term1)
    ##     rownames(indic.intrt)[nrow( indic.intrt)] <- quote(fact.interet1)
    intrt.ss <- indic.intrt%*%as.matrix(GSI$SI)

    intrt.ss
}