X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=pkg%2FR%2Fmain.R;h=0a3487b0cb430097425ddeb9f563df8dfc9febd0;hb=c3bf2821bce67c75504e303fae23dd41c00f06c8;hp=e741d65f4ed3b43037dc8978a96f20e76cda0523;hpb=ea5860f1b4fc91f06e371a0b26915198474a849d;p=valse.git diff --git a/pkg/R/main.R b/pkg/R/main.R index e741d65..0a3487b 100644 --- a/pkg/R/main.R +++ b/pkg/R/main.R @@ -17,6 +17,7 @@ #' @param ncores_outer Number of cores for the outer loop on k #' @param ncores_inner Number of cores for the inner loop on lambda #' @param thresh real, threshold to say a variable is relevant, by default = 1e-8 +#' @param grid_lambda, a vector with regularization parameters if known, by default numeric(0) #' @param size_coll_mod (Maximum) size of a collection of models #' @param fast TRUE to use compiled C code, FALSE for R code only #' @param verbose TRUE to show some execution traces @@ -28,8 +29,8 @@ #' @export valse <- function(X, Y, procedure = "LassoMLE", selecMod = "DDSE", gamma = 1, mini = 10, maxi = 50, eps = 1e-04, kmin = 2, kmax = 3, rank.min = 1, rank.max = 5, ncores_outer = 1, - ncores_inner = 1, thresh = 1e-08, size_coll_mod = 10, fast = TRUE, verbose = FALSE, - plot = TRUE) + ncores_inner = 1, thresh = 1e-08, grid_lambda = numeric(0), size_coll_mod = 10, + fast = TRUE, verbose = FALSE, plot = TRUE) { n <- nrow(X) p <- ncol(X) @@ -58,8 +59,11 @@ valse <- function(X, Y, procedure = "LassoMLE", selecMod = "DDSE", gamma = 1, mi # component, doing this 20 times, and keeping the values maximizing the # likelihood after 10 iterations of the EM algorithm. P <- initSmallEM(k, X, Y, fast) - grid_lambda <- computeGridLambda(P$phiInit, P$rhoInit, P$piInit, P$gamInit, - X, Y, gamma, mini, maxi, eps, fast) + if (length(grid_lambda) == 0) + { + grid_lambda <- computeGridLambda(P$phiInit, P$rhoInit, P$piInit, P$gamInit, + X, Y, gamma, mini, maxi, eps, fast) + } if (length(grid_lambda) > size_coll_mod) grid_lambda <- grid_lambda[seq(1, length(grid_lambda), length.out = size_coll_mod)] @@ -119,7 +123,8 @@ valse <- function(X, Y, procedure = "LassoMLE", selecMod = "DDSE", gamma = 1, mi complexity = sumPen, contrast = -LLH) })) tableauRecap <- tableauRecap[which(tableauRecap[, 4] != Inf), ] - + if (verbose == TRUE) + print(tableauRecap) modSel <- capushe::capushe(tableauRecap, n) indModSel <- if (selecMod == "DDSE") as.numeric(modSel@DDSE@model) else if (selecMod == "Djump") @@ -144,6 +149,7 @@ valse <- function(X, Y, procedure = "LassoMLE", selecMod = "DDSE", gamma = 1, mi Gam <- Gam/rowSums(Gam) modelSel$affec <- apply(Gam, 1, which.max) modelSel$proba <- Gam + modelSel$tableau <- tableauRecap if (plot) print(plot_valse(X, Y, modelSel, n))