X-Git-Url: https://git.auder.net/images/pieces/%24%7BgetWhatsApp%28link%29%7D?a=blobdiff_plain;f=pkg%2FR%2FcomputeForecast.R;h=bd19b8d1297831fda59b3b0da354c2f9576349ec;hb=a866acb3c0ae138b22df9dae9ec576b866794417;hp=ec6fa0728bf18ca1de54faf97edefb867415b9cb;hpb=a66a84b56467194852f2faee15f4725759b24158;p=talweg.git diff --git a/pkg/R/computeForecast.R b/pkg/R/computeForecast.R index ec6fa07..bd19b8d 100644 --- a/pkg/R/computeForecast.R +++ b/pkg/R/computeForecast.R @@ -1,6 +1,6 @@ -#' @title get Forecast +#' Compute forecast #' -#' @description Predict time-series curves for the selected days indices (lines in data). +#' Predict time-series curves for the selected days indices (lines in data). #' #' @param data Dataset, object of type \code{Data} output of \code{getData} #' @param indices Days indices where to forecast (the day after) @@ -45,23 +45,50 @@ computeForecast = function(data, indices, forecaster, pjump, horizon = as.integer(horizon)[1] if (horizon<=0 || horizon>length(data$getCenteredSerie(2))) stop("Horizon too short or too long") - integer_indices = sapply(seq_along(indices), function(i) dateIndexToInteger(indices[i],data)) + integer_indices = sapply(indices, function(i) dateIndexToInteger(i,data)) if (any(integer_indices<=0 | integer_indices>data$getSize())) stop("Indices out of range") if (!is.character(forecaster) || !is.character(pjump)) stop("forecaster (name) and pjump (function) should be of class character") - pred = Forecast$new( dates=sapply( indices, integerIndexToDate, data ) ) + pred = Forecast$new( sapply(indices, function(i) integerIndexToDate(i,data)) ) forecaster_class_name = getFromNamespace(paste(forecaster,"Forecaster",sep=""), "talweg") - forecaster = forecaster_class_name$new(data=data, - pjump = getFromNamespace(paste("get",pjump,"JumpPredict",sep=""), "talweg")) - for (today in integer_indices) + forecaster = forecaster_class_name$new( #.pjump = + getFromNamespace(paste("get",pjump,"JumpPredict",sep=""), "talweg")) + +#oo = forecaster$predictSerie(data, integer_indices[1], memory, horizon, ...) +#browser() + + parll=TRUE #FALSE + if (parll) + { + library(parallel) + ppp <- parallel::mclapply(seq_along(integer_indices), function(i) { + list( + "forecast" = forecaster$predictSerie(data, integer_indices[i], memory, horizon, ...), + "params"= forecaster$getParameters(), + "index" = integer_indices[i] ) + }, mc.cores=3) + } + else { - pred$append( - new_serie = forecaster$predictSerie(today, memory, horizon, ...), - new_params = forecaster$getParameters(), - new_index = today - ) + ppp <- lapply(seq_along(integer_indices), function(i) { + list( + "forecast" = forecaster$predictSerie(data, integer_indices[i], memory, horizon, ...), + "params"= forecaster$getParameters(), + "index" = integer_indices[i] ) + }) } +#browser() + +for (i in seq_along(integer_indices)) +{ + pred$append( + new_serie = ppp[[i]]$forecast, + new_params = ppp[[i]]$params, + new_index_in_data = ppp[[i]]$index + ) +} + pred }