modeltime.ensemble | Time Series Ensemble Forecasting | Time Series Database library
kandi X-RAY | modeltime.ensemble Summary
kandi X-RAY | modeltime.ensemble Summary
Ensemble Algorithms for Time Series Forecasting with Modeltime. A modeltime extension that implements ensemble forecasting methods including model averaging, weighted averaging, and stacking.
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modeltime.ensemble Key Features
modeltime.ensemble Examples and Code Snippets
library(tidymodels)
library(modeltime)
library(modeltime.ensemble)
library(tidyverse)
library(timetk)
m750_models
#> # Modeltime Table
#> # A tibble: 3 x 3
#> .model_id .model .model_desc
#>
install.packages("modeltime.ensemble")
remotes::install_github("business-science/modeltime.ensemble")
Community Discussions
Trending Discussions on modeltime.ensemble
QUESTION
As I want to produce some visualizations and analysis on forecasted data outside the modeltime framework, I need to extract confidence values, fitted values and maybe also residuals.
The documentation indicates, that I need to use the function modeltime_calibrate() to get the confidence values and residuals. So one question would be, where do I extract the fitted values from?
My main question is whatsoever, how to do calibration on recursive ensembles. For any non-ensemble model I was able to do it, but in case of recursive ensembles I encounter some error messages, if I want to calibrate.
To illustrate the problem, look at the example code below, which ends up failing to calibrate all models:
...ANSWER
Answered 2021-Dec-01 at 11:13The problem lies in your recursive_ensemble_panel
. You have to do the recursive part on the models themselves and not the ensemble. Like you I would have expected to do the recursive in one go, maybe via modeltime_table
.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install modeltime.ensemble
Getting Started with Modeltime: Learn the basics of forecasting with Modeltime.
Getting Started with Modeltime Ensemble: Learn the basics of forecasting with Modeltime ensemble models.
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