X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=pkg%2FR%2FcomputeForecast.R;h=1e7911825c916b537856931d0a8b02b561c58b53;hb=2057c793ad9929ed5bef8663ea28b896c84df0fc;hp=d6355602e211bb0245000ce90c9f10c2bf63bed5;hpb=ee8b1b4e3c13f8dcf13a2c8da6a3bef1520c8252;p=talweg.git diff --git a/pkg/R/computeForecast.R b/pkg/R/computeForecast.R index d635560..1e79118 100644 --- a/pkg/R/computeForecast.R +++ b/pkg/R/computeForecast.R @@ -2,8 +2,9 @@ #' #' 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) +#' @param data Object of type \code{Data}, output of \code{getData()} +#' @param indices Indices where to forecast (the day after); integers relative to the +#' beginning of data, or (convertible to) Date objects #' @param forecaster Name of the main forcaster #' \itemize{ #' \item Persistence : use values of last (similar, next) day @@ -27,8 +28,7 @@ #' @examples #' ts_data = system.file("extdata","pm10_mesures_H_loc.csv",package="talweg") #' exo_data = system.file("extdata","meteo_extra_noNAs.csv",package="talweg") -#' data = getData(ts_data, exo_data, input_tz = "Europe/Paris", -#' working_tz="Europe/Paris", predict_at=7) +#' data = getData(ts_data, exo_data, input_tz="GMT", working_tz="GMT", predict_at=7) #' pred = computeForecast(data, 2200:2230, "Persistence", "Persistence", 500, 12) #' \dontrun{#Sketch for real-time mode: #' data = new("Data", ...) @@ -44,7 +44,7 @@ computeForecast = function(data, indices, forecaster, pjump, { # (basic) Arguments sanity checks horizon = as.integer(horizon)[1] - if (horizon<=0 || horizon>length(data$getCenteredSerie(2))) + if (horizon<=0 || horizon>length(data$getCenteredSerie(1))) stop("Horizon too short or too long") integer_indices = sapply(indices, function(i) dateIndexToInteger(i,data)) if (any(integer_indices<=0 | integer_indices>data$getSize())) @@ -53,7 +53,8 @@ computeForecast = function(data, indices, forecaster, pjump, stop("forecaster (name) and pjump (function) should be of class character") pred = Forecast$new( sapply(indices, function(i) integerIndexToDate(i,data)) ) - forecaster_class_name = getFromNamespace(paste(forecaster,"Forecaster",sep=""), "talweg") + forecaster_class_name = getFromNamespace( + paste(forecaster,"Forecaster",sep=""), "talweg") forecaster = forecaster_class_name$new( #.pjump = getFromNamespace(paste("get",pjump,"JumpPredict",sep=""), "talweg")) @@ -61,7 +62,8 @@ computeForecast = function(data, indices, forecaster, pjump, { p <- parallel::mclapply(seq_along(integer_indices), function(i) { list( - "forecast" = forecaster$predictSerie(data, integer_indices[i], memory, horizon, ...), + "forecast" = forecaster$predictSerie( + data, integer_indices[i], memory, horizon, ...), "params"= forecaster$getParameters(), "index" = integer_indices[i] ) }, mc.cores=ncores) @@ -70,7 +72,8 @@ computeForecast = function(data, indices, forecaster, pjump, { p <- lapply(seq_along(integer_indices), function(i) { list( - "forecast" = forecaster$predictSerie(data, integer_indices[i], memory, horizon, ...), + "forecast" = forecaster$predictSerie( + data, integer_indices[i], memory, horizon, ...), "params"= forecaster$getParameters(), "index" = integer_indices[i] ) }) @@ -80,9 +83,9 @@ computeForecast = function(data, indices, forecaster, pjump, for (i in seq_along(integer_indices)) { pred$append( - new_serie = p[[i]]$forecast, - new_params = p[[i]]$params, - new_index_in_data = p[[i]]$index + forecast = p[[i]]$forecast, + params = p[[i]]$params, + index_in_data = p[[i]]$index ) } pred