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caret::train support for greedyMSE #305

Merged
merged 7 commits into from
Aug 8, 2024
Merged

caret::train support for greedyMSE #305

merged 7 commits into from
Aug 8, 2024

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zachmayer
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coderabbitai bot commented Aug 8, 2024

Walkthrough

The recent updates enhance the greedyMSE method by improving input handling, adding new functionalities, and integrating it with the caret package. Notable changes include the introduction of variable importance calculations and an updated prediction method that supports optional label returns. These modifications aim to provide more flexibility and usability for users working with regression and classification tasks.

Changes

File Path Change Summary
NAMESPACE Added S3 method registration for varImp associated with greedyMSE and export for greedyMSE_caret.
R/greedyOpt.R Enhanced greedyMSE for multi-class support, updated validation, added varImp and predict methods, and introduced greedyMSE_caret.
man/predict.greedyMSE.Rd Updated documentation for predict to include return_labels parameter.
tests/testthat/test-greedyMSE.R Improved create_dataset, added tests for classification, varImp, and predict with label returns.

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Actionable comments posted: 0

Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 62725d3 and c725e6e.

Files selected for processing (4)
  • NAMESPACE (1 hunks)
  • R/greedyOpt.R (4 hunks)
  • man/predict.greedyMSE.Rd (1 hunks)
  • tests/testthat/test-greedyMSE.R (4 hunks)
Additional comments not posted (16)
man/predict.greedyMSE.Rd (1)

7-7: Documentation update approved.

The addition of the return_labels parameter is well-documented and aligns with the functionality changes. Ensure that this documentation is consistent with the actual implementation.

Also applies to: 14-15

NAMESPACE (1)

25-25: Namespace updates approved.

The addition of the varImp method for greedyMSE and the export of greedyMSE_caret enhance the package's integration and usability.

Also applies to: 33-33

R/greedyOpt.R (5)

Line range hint 13-72:
Function greedyMSE updates approved.

The changes improve data handling and ensure consistency in processing. The enhancements for handling Y as a factor are particularly useful for classification tasks.


Line range hint 86-93:
Function print.greedyMSE approved.

The function correctly prints the RMSE and model weights for a greedyMSE object.


102-108: Function varImp.greedyMSE approved.

The calculation of variable importance is straightforward and effectively implemented.


118-139: Function predict.greedyMSE updates approved.

The addition of the return_labels parameter enhances flexibility for classification tasks. The function handles predictions effectively.


159-185: Function greedyMSE_caret approved.

The function is well-structured and effectively integrates greedyMSE with the caret package, enhancing usability.

tests/testthat/test-greedyMSE.R (9)

4-4: LGTM! Column naming enhances clarity.

The addition of column names to X and Y improves dataset usability.

Also applies to: 16-16


Line range hint 39-49:
Binary classification test looks good.

The test case effectively checks the accuracy and output of the greedyMSE model for binary classification.


Line range hint 51-61:
Multiclass classification test is comprehensive.

The test case appropriately checks the model's performance for multiclass classification, ensuring accuracy is above random guessing.


201-209: Variable importance test is well-structured.

The test case effectively verifies the calculation and normalization of variable importance scores.


211-231: Prediction functionality tests are complete.

The tests verify correct handling of data frame inputs and label returns, ensuring predictions are as expected.


233-263: Robustness test with correlated predictors is effective.

The test case appropriately validates the model's performance with correlated predictors, ensuring RMSE is lower than the baseline.


265-303: Regression ensembling test is thorough.

The test case effectively checks the performance of regression ensembling, ensuring it surpasses individual models.


305-351: Binary classification ensembling test is well-designed.

The test case appropriately validates the ensemble model's performance, ensuring it surpasses individual models in AUC.


353-410: Multiclass classification ensembling test is comprehensive.

The test case effectively validates the ensemble model's performance, ensuring it surpasses individual models in AUC.

@zachmayer zachmayer merged commit 5df7e14 into main Aug 8, 2024
12 checks passed
@zachmayer zachmayer deleted the greedy-caret branch August 8, 2024 17:02
@zachmayer zachmayer mentioned this pull request Aug 9, 2024
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