modeltime

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Looks at new_data for the number of complete rows to determine the chunk size, then generates the predicted values in chunks. It leads to some significant performance improvements in cases...

joranE

Error in Nested Forecasting

1

Hey guys, Can you help me? I'm working with forecast of SKUs. I'm trying to fit a set of time series models for many SKU by using the Nested Forecasting...

luanfiorentin

extract_nested_future_forecast() fails when adding multiple predictors in recipe() with +

3

See reprex below. When adding a single predictor via `recipe(y ~ x)` or using all predictors via `recipe(y ~ .)` I am able to get future predictions from nested models...

rlohne

better detect_net() implementation #188

1

Hi @mdancho84 , I just modified the `detect_net()` function to just look for the classes of the following parsnip functions when they have glmnet engine: - linear_reg - logistic_reg -...

AlbertoAlmuinha

Feature Request: additional parallel ability

10

Hi, it's a shame, that github doesn't offer a feature request button, so I need to ask here. Is there any planning on adding further parallel abilities to the framework?...

lg1000

Recursive forecasting for non panel data ERROR object '.key' not found

1

Hello @mdancho84, @AlbertoAlmuinha, I am using recursive forecasting on data where I have one target variable and a few independent variables. I have given reproducible codes in the end. With...

Shafi2016

Split issue with model_time and timetk in R

1

i'm using modeltime to forecast 20 time series (not balanced) at once using [Modeltime](https://cran.r-project.org/web/packages/modeltime/vignettes/getting-started-with-modeltime.html) package. However, when I call the function modeltime_calibrate i got the following error: `Error in glubort():...

rgs-minu

defaulting to model = "ZXZ"

2

Is there a reason why adam_reg(), engine auto.adam defaults to model = "ZXZ"? According to Ivans book, this translates to 'additive trends only'? https://openforecast.org/adam/ETSSelection.html

Steviey

Confusing error message, when forecasting on future_tbl

2

After successfully running modeltime_forecast on my test data, I wanted to refit the model to forecast forward into the future. Unfortunately I receive the following error message, which I am...

lg1000

Error using certain functions (like RSI from the TTR package) in recursive forecasting

1

``` library(modeltime) library(timetk) library(tidyquant) library(tidyverse) library(tidymodels) horizon % mutate( rsi = TTR::RSI(outcome) # using e.g. mean() from base R works but not SMA() from TTR package ) %>% tk_augment_lags(outcome, .lags...

vidarsumo