X-Git-Url: https://git.auder.net/?p=talweg.git;a=blobdiff_plain;f=pkg%2FR%2FcomputeForecast.R;h=ec6fa0728bf18ca1de54faf97edefb867415b9cb;hp=0585e1bdfee0391a780eacea7f30dac6c7047d5f;hb=a66a84b56467194852f2faee15f4725759b24158;hpb=25b75559e2d9bf84e2de35b851d93fefdae36e17 diff --git a/pkg/R/computeForecast.R b/pkg/R/computeForecast.R index 0585e1b..ec6fa07 100644 --- a/pkg/R/computeForecast.R +++ b/pkg/R/computeForecast.R @@ -21,12 +21,7 @@ #' @param horizon Number of time steps to predict #' @param ... Additional parameters for the forecasting models #' -#' @return A list with the following items -#' \itemize{ -#' \item serie: forecasted serie -#' \item params: corresponding list of parameters (weights, neighbors...) -#' \item index: corresponding index in data object -#' } +#' @return An object of class Forecast #' #' @examples #' ts_data = system.file("extdata","pm10_mesures_H_loc.csv",package="talweg") @@ -50,18 +45,17 @@ computeForecast = function(data, indices, forecaster, pjump, horizon = as.integer(horizon)[1] if (horizon<=0 || horizon>length(data$getCenteredSerie(2))) stop("Horizon too short or too long") - indices = sapply( seq_along(indices), function(i) dateIndexToInteger(indices[i], data) ) - if (any(indices<=0 | indices>data$getSize())) + integer_indices = sapply(seq_along(indices), function(i) dateIndexToInteger(indices[i],data)) + if (any(integer_indices<=0 | integer_indices>data$getSize())) stop("Indices out of range") - indices = sapply(indices, dateIndexToInteger, data) - if (!is.character(forecaster)) - stop("forecaster (name) should be of class character") #pjump could be NULL + if (!is.character(forecaster) || !is.character(pjump)) + stop("forecaster (name) and pjump (function) should be of class character") - pred = Forecast$new() + pred = Forecast$new( dates=sapply( indices, integerIndexToDate, data ) ) forecaster_class_name = getFromNamespace(paste(forecaster,"Forecaster",sep=""), "talweg") forecaster = forecaster_class_name$new(data=data, pjump = getFromNamespace(paste("get",pjump,"JumpPredict",sep=""), "talweg")) - for (today in indices) + for (today in integer_indices) { pred$append( new_serie = forecaster$predictSerie(today, memory, horizon, ...),