X-Git-Url: https://git.auder.net/?p=valse.git;a=blobdiff_plain;f=pkg%2FR%2Fmain.R;h=93f8e3f3b444cf3d2597ab8bb2e87071f83a6622;hp=8f845f428f434f39699c40f8cb430ee34129ae6e;hb=b9b0b72a2c8f7f0d1a3216528aefcec0a92c6c99;hpb=19041906b8d80eb9a7dac7bffebf3992bcec6ccf diff --git a/pkg/R/main.R b/pkg/R/main.R index 8f845f4..93f8e3f 100644 --- a/pkg/R/main.R +++ b/pkg/R/main.R @@ -21,7 +21,7 @@ #' #TODO: a few examples #' @export valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, maxi=50, - eps=1e-4, kmin=2, kmax=2, rang.min=1, rang.max=10, ncores_outer=1, ncores_inner=3, + eps=1e-4, kmin=2, kmax=4, rang.min=1, rang.max=10, ncores_outer=1, ncores_inner=1, size_coll_mod = 50, verbose=FALSE) { p = dim(X)[2] @@ -33,10 +33,10 @@ valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, if (ncores_outer > 1) { - cl = parallel::makeCluster(ncores_outer) + cl = parallel::makeCluster(ncores_outer, outfile='') parallel::clusterExport( cl=cl, envir=environment(), varlist=c("X","Y","procedure", "selecMod","gamma","mini","maxi","eps","kmin","kmax","rang.min","rang.max", - "ncores_outer","ncores_inner","verbose","p","m","k","tableauRecap") ) + "ncores_outer","ncores_inner","verbose","p","m") ) } # Compute models with k components @@ -53,9 +53,8 @@ valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, P = initSmallEM(k, X, Y) grid_lambda <- computeGridLambda(P$phiInit, P$rhoInit, P$piInit, P$gamInit, X, Y, gamma, mini, maxi, eps) - # TODO: 100 = magic number - if (length(grid_lambda)>100) - grid_lambda = grid_lambda[seq(1, length(grid_lambda), length.out = 100)] + if (length(grid_lambda)>size_coll_mod) + grid_lambda = grid_lambda[seq(1, length(grid_lambda), length.out = size_coll_mod)] if (verbose) print("Compute relevant parameters") @@ -63,15 +62,15 @@ valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, #from the grid: S$selected corresponding to selected variables S = selectVariables(P$phiInit, P$rhoInit, P$piInit, P$gamInit, mini, maxi, gamma, grid_lambda, X, Y, 1e-8, eps, ncores_inner) #TODO: 1e-8 as arg?! eps? - + if (procedure == 'LassoMLE') { if (verbose) print('run the procedure Lasso-MLE') #compute parameter estimations, with the Maximum Likelihood #Estimator, restricted on selected variables. - models <- constructionModelesLassoMLE(phiInit, rhoInit, piInit, gamInit, mini, - maxi, gamma, X, Y, thresh, eps, S$selected, ncores_inner, verbose) + models <- constructionModelesLassoMLE(P$phiInit, P$rhoInit, P$piInit, P$gamInit, + mini, maxi, gamma, X, Y, thresh, eps, S, ncores_inner, artefact = 1e3, verbose) } else { @@ -82,17 +81,17 @@ valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, models <- constructionModelesLassoRank(S$Pi, S$Rho, mini, maxi, X, Y, eps, A1, rank.min, rank.max, ncores_inner, verbose) } + #attention certains modeles sont NULL après selectVariables + models = models[sapply(models, function(cell) !is.null(cell))] models } # List (index k) of lists (index lambda) of models models_list <- - #if (ncores_k > 1) if (ncores_outer > 1) parLapply(cl, kmin:kmax, computeModels) else lapply(kmin:kmax, computeModels) - #if (ncores_k > 1) if (ncores_outer > 1) parallel::stopCluster(cl) @@ -102,19 +101,21 @@ valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, return (models_list) } - # Get summary "tableauRecap" from models ; TODO: jusqu'à ligne 114 à mon avis là c'est faux :/ - tableauRecap = t( sapply( models_list, function(models) { - llh = do.call(rbind, lapply(models, function(model) model$llh)) - LLH = llh[-1,1] - D = llh[-1,2] - c(LLH, D, rep(k, length(model)), 1:length(model)) - } )) - if (verbose) - print('Model selection') - tableauRecap = tableauRecap[rowSums(tableauRecap[, 2:4])!=0,] - tableauRecap = tableauRecap[!is.infinite(tableauRecap[,1]),] + # Get summary "tableauRecap" from models + tableauRecap = do.call( rbind, lapply( models_list, function(models) { + #Pour un groupe de modeles (même k, différents lambda): + llh = matrix(ncol = 2) + for (l in seq_along(models)) + llh = rbind(llh, models[[l]]$llh) #TODO: LLF? harmonize between EMGLLF and EMGrank? + LLH = llh[-1,1] + D = llh[-1,2] + k = length(models[[1]]$pi) + cbind(LLH, D, rep(k, length(models)), 1:length(models)) + } ) ) + tableauRecap = tableauRecap[rowSums(tableauRecap[, 2:4])!=0,] + tableauRecap = tableauRecap[(tableauRecap[,1])!=Inf,] data = cbind(1:dim(tableauRecap)[1], tableauRecap[,2], tableauRecap[,2], tableauRecap[,1]) - +browser() modSel = capushe::capushe(data, n) indModSel <- if (selecMod == 'DDSE') @@ -125,5 +126,5 @@ valse = function(X, Y, procedure='LassoMLE', selecMod='DDSE', gamma=1, mini=10, modSel@BIC_capushe$model else if (selecMod == 'AIC') modSel@AIC_capushe$model - model[[tableauRecap[indModSel,3]]][[tableauRecap[indModSel,4]]] + models_list[[tableauRecap[indModSel,3]]][[tableauRecap[indModSel,4]]] }