-#' Obtain delta forecast by the Neighbors method
+#' Obtain jump forecast by the Neighbors method
#'
#' @inheritParams getForecast
-#' @inheritParams getZeroDeltaForecast
-getNeighborsDeltaForecast = function(data, today, memory, horizon, shape_params, ...)
+#' @inheritParams getZeroJumpPredict
+getNeighborsJumpPredict = function(data, today, memory, horizon, params, ...)
{
first_day = max(1, today-memory)
- filter = shape_params$indices >= first_day
- indices = shape_params$indices[filter]
- weights = shape_params$weights[filter]
+ filter = params$indices >= first_day
+ indices = params$indices[filter]
+ weights = params$weights[filter]
if (any(is.na(weights) | is.na(indices)))
return (NA)
gaps = sapply(indices, function(i) {
data$getSerie(i+1)[1] - tail(data$getSerie(i), 1)
})
-
scal_product = weights * gaps
norm_fact = sum( weights[!is.na(scal_product)] )
sum(scal_product, na.rm=TRUE) / norm_fact