DeepPipe efficiently optimizes Machine Learning Pipelines using meta-learning. For detailed information, refer to our paper Deep Pipeline Embeddings for AutoML accepted at KDD 2023. Additionally, you can visit our blog-post to have a friendly insight on how our method works.
We present an API for optimizing pipelines in scikit-learn based on the TensorOboe search space. You can use it to search for accurate pipelines or for benchmarking your Machine Learning model on tabular data.
conda create -n deeppipe_env python==3.9
conda activate deeppipe_env
pip install deeppipe_api==0.1.4We present an example using an OpenML dataset. However, it works with any tabular data typed as pandas dataframe.
from deeppipe_api.deeppipe import load_data, openml, DeepPipe
task_id = 37
task = openml.tasks.get_task(task_id)
X_train, X_test, y_train, y_test = load_data(task, fold=0)
deep_pipe = DeepPipe(n_iters = 50, #bo iterations
time_limit = 3600 #in seconds
)
deep_pipe.fit(X_train, y_train)
y_pred = deep_pipe.predict(X_test)
#Test
score = deep_pipe.score(X_test, y_test)
print("Test acc.:", score)
#print best pipeline
print(deep_pipe.model)Note: When comparing with other AutoML optimizers have in mind that the search space might differ.
It is possible to ensemble the best pipelines, by using a greedy approach.
from deeppipe_api.deeppipe import load_data, openml, DeepPipe
task = openml.tasks.get_task(task_id=37)
X_train, X_test, y_train, y_test = load_data(task, fold=0)
deep_pipe = DeepPipe(n_iters = 50, #bo iterations
time_limit = 3600, #in seconds
create_ensemble = False,
ensemble_size = 10,
)
deep_pipe.fit(X_train, y_train)
y_pred = deep_pipe.predict(X_test)
score = deep_pipe.score(X_test, y_test)
print("Test acc.:", score) You can try running DeepPipe in this colab notebook.
For meta-training DeepPipe or testing other search spaces, you can refer to the folder src/deeppipe_api/experiments/.
If you use this repository/package, please cite our paper:
@inproceedings{pineda2023_deeppipe,
author = {Pineda Arango, Sebastian and Grabocka, Josif},
title = {Deep Pipeline Embeddings for AutoML},
year = {2023},
isbn = {9798400701030},
publisher = {Association for Computing Machinery},
address = {New York, NY, USA},
url = {https://doi.org/10.1145/3580305.3599303},
doi = {10.1145/3580305.3599303}
booktitle = {Proceedings of the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining},
pages = {1907–1919},
numpages = {13},
location = {Long Beach, CA, USA},
series = {KDD '23}
}
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