[talweg.git] / pkg / R / J_Zero.R

#' getZeroJumpPredict
#'
#' "Reset level to 0": jump by -A where A is the last observed value.
#'
#' @inheritParams computeForecast
#' @param today Index of the current day (predict tomorrow)
#' @param params Optional parameters computed by the main forecaster
#'
#' @aliases J_Zero
#'
getZeroJumpPredict = function(data, today, memory, predict_from, horizon, params, ...)
{
	list(...)$first_pred - ifelse( predict_from >= 2,
		data$getSerie(today)[predict_from-1], tail(data$getSerie(today-1),1) )
}
Commit	Line	Data
3a38473a BA	1	#' getZeroJumpPredict
	2	#'
	3	#' "Reset level to 0": jump by -A where A is the last observed value.
	4	#'
	5	#' @inheritParams computeForecast
	6	#' @param today Index of the current day (predict tomorrow)
	7	#' @param params Optional parameters computed by the main forecaster
	8	#'
	9	#' @aliases J_Zero
	10	#'
	11	getZeroJumpPredict = function(data, today, memory, predict_from, horizon, params, ...)
	12	{
	13	list(...)$first_pred - ifelse( predict_from >= 2,
	14	data$getSerie(today)[predict_from-1], tail(data$getSerie(today-1),1) )
	15	}