X-Git-Url: https://git.auder.net/?p=valse.git;a=blobdiff_plain;f=pkg%2FR%2FconstructionModelesLassoMLE.R;h=d2bb9a5557904a0ab0b10b7ebad7e678b7b603ec;hp=ed08b38c3ae873f528188f32cdb38c88dc0ef1a0;hb=64b28e3edeef11b4442b6014ec89246810ebc1cf;hpb=51485a7d0aafe7c31c9651fcc2e33ebd2f8a5e82 diff --git a/pkg/R/constructionModelesLassoMLE.R b/pkg/R/constructionModelesLassoMLE.R index ed08b38..d2bb9a5 100644 --- a/pkg/R/constructionModelesLassoMLE.R +++ b/pkg/R/constructionModelesLassoMLE.R @@ -49,40 +49,42 @@ constructionModelesLassoMLE = function(phiInit,rhoInit,piInit,gamInit,mini,maxi, pi = list() llh = list() - for (lambda in 1:L){ + out = lapply( seq_along(selected), function(lambda) + { + print(lambda) sel.lambda = selected[[lambda]] col.sel = which(colSums(sel.lambda)!=0) - res_EM = EMGLLF(phiInit[col.sel,,],rhoInit,piInit,gamInit,mini,maxi,gamma,0.,X[,col.sel],Y,tau) - phiLambda2 = res_EM$phi - rhoLambda = res_EM$rho - piLambda = res_EM$pi - for (j in 1:length(col.sel)){ - phiLambda[col.sel[j],,] = phiLambda2[j,,] - } - - dimension = 0 - for (j in 1:p){ - b = setdiff(1:m, sel.lambda[,j]) - if (length(b) > 0){ - phiLambda[j,b,] = 0.0 + if (length(col.sel)>0){ + res_EM = EMGLLF(phiInit[col.sel,,],rhoInit,piInit,gamInit,mini,maxi,gamma,0.,X[,col.sel],Y,tau) + phiLambda2 = res_EM$phi + rhoLambda = res_EM$rho + piLambda = res_EM$pi + for (j in 1:length(col.sel)){ + phiLambda[col.sel[j],,] = phiLambda2[j,,] } - dimension = dimension + sum(sel.lambda[,j]!=0) - } - - #on veut calculer la vraisemblance avec toutes nos estimations - densite = vector("double",n) - for (r in 1:k) - { - delta = Y%*%rhoLambda[,,r] - (X[, col.sel]%*%phiLambda[col.sel,,r]) - densite = densite + piLambda[r] * - det(rhoLambda[,,r])/(sqrt(2*base::pi))^m * exp(-tcrossprod(delta)/2.0) + + dimension = 0 + for (j in 1:p){ + b = setdiff(1:m, sel.lambda[,j]) + if (length(b) > 0){ + phiLambda[j,b,] = 0.0 + } + dimension = dimension + sum(sel.lambda[,j]!=0) + } + + #on veut calculer la vraisemblance avec toutes nos estimations + densite = vector("double",n) + for (r in 1:k) + { + delta = Y%*%rhoLambda[,,r] - (X[, col.sel]%*%phiLambda[col.sel,,r]) + densite = densite + piLambda[r] * + det(rhoLambda[,,r])/(sqrt(2*base::pi))^m * exp(-tcrossprod(delta)/2.0) + } + llhLambda = c( sum(log(densite)), (dimension+m+1)*k-1 ) + list("phi"= phiLambda, "rho"= rhoLambda, "pi"= piLambda, "llh" = llhLambda) } - llhLambda = c( sum(log(densite)), (dimension+m+1)*k-1 ) - rho[[lambda]] = rhoLambda - phi[[lambda]] = phiLambda - pi[[lambda]] = piLambda - llh[[lambda]] = llhLambda } + ) + return(out) } - return(list("phi"=phi, "rho"=rho, "pi"=pi, "llh" = llh)) }