projects / talweg.git / blame
| Commit | Line | Data |
|---|---|---|
| 25b75559 | 1 | #' Persistence Forecaster |
| 3d69ff21 | 2 | #' |
| 25b75559 BA |
3 | #' Return the last centered (similar) day curve. |
| 4 | #' Inherits \code{\link{Forecaster}} | |
| 546b0cb6 | 5 | #' |
| 25b75559 | 6 | PersistenceForecaster = R6::R6Class("PersistenceForecaster", |
| a66a84b5 | 7 | inherit = Forecaster, |
| 3d69ff21 | 8 | |
| 25b75559 | 9 | public = list( |
| 98e958ca | 10 | predictShape = function(data, today, memory, horizon, ...) |
| 3d69ff21 | 11 | { |
| e5aa669a | 12 | # Return centered last (similar) day curve, avoiding NAs until memory is run |
| 09cf9c19 | 13 | first_day = max(1, today-memory) |
| e5aa669a BA |
14 | same_day = ifelse(hasArg("same_day"), list(...)$same_day, TRUE) |
| 15 | # If 'same_day', get the last known future of similar day: -7 + 1 == -6 | |
| 16 | index = today - ifelse(same_day,6,0) | |
| 09cf9c19 BA |
17 | repeat |
| 18 | { | |
| 19 | { | |
| 2057c793 | 20 | last_serie = data$getCenteredSerie(index)[1:horizon] |
| e5aa669a | 21 | index = index - ifelse(same_day,7,1) |
| 09cf9c19 | 22 | }; |
| e5aa669a BA |
23 | if (!any(is.na(last_serie))) |
| 24 | return (last_serie); | |
| 09cf9c19 BA |
25 | if (index < first_day) |
| 26 | return (NA) | |
| 27 | } | |
| 3d69ff21 BA |
28 | } |
| 29 | ) | |
| 30 | ) |