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tune

Overview

The goal of tune is to facilitate hyperparameter tuning for the tidymodels packages. It relies heavily on recipes, parsnip, and dials.

Installation

Install from CRAN:

install.packages("tune", repos = "http://cran.r-project.org") #or your local mirror

or you can install the current development version using:

devtools::install_github("tidymodels/tune")

Examples

There are several package vignettes, as well as articles available at tidymodels.org, demonstrating how to use tune.

Good places to begin include:

More advanced resources available are:

Contributing

This project is released with a Contributor Code of Conduct. By contributing to this project, you agree to abide by its terms.

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Install

install.packages('tune')

Monthly Downloads

28,762

Version

0.2.0

License

MIT + file LICENSE

Issues

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Maintainer

Last Published

March 19th, 2022

Functions in tune (0.2.0)

autoplot.tune_results

Plot tuning search results
augment.tune_results

Augment data with holdout predictions
example_ames_knn

Example Analysis of Ames Housing Data
check_rset

Get colors for tune text.
fit_resamples

Fit multiple models via resampling
last_fit

Fit the final best model to the training set and evaluate the test set
control_grid

Control aspects of the grid search process
merge.recipe

Merge parameter grid values into objects
load_pkgs

Quietly load package namespace
outcome_names

Determine names of the outcome data in a workflow
extract-tune

Extract elements of tune objects
extract_model

Convenience functions to extract model
.get_tune_parameters

Various accessor functions
show_best

Investigate best tuning parameters
parameters.workflow

Determination of parameter sets for other objects
finalize_model

Splice final parameters into objects
reexports

Objects exported from other packages
filter_parameters

Remove some tuning parameter results
prob_improve

Acquisition function for scoring parameter combinations
message_wrap

Write a message that respects the line width
tune_bayes

Bayesian optimization of model parameters.
min_grid.model_spec

Determine the minimum set of model fits
tune_grid

Model tuning via grid search
control_bayes

Control aspects of the Bayesian search process
expo_decay

Exponential decay function
coord_obs_pred

Use same scale for plots of observed vs predicted values
collect_predictions

Obtain and format results produced by tuning functions
conf_mat_resampled

Compute average confusion matrix across resamples