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chore: import upstream snapshot with attribution
2026-07-13 13:36:15 +08:00

43 lines
1.5 KiB
Python

from pathlib import Path
import pandas as pd
from sklearn.model_selection import train_test_split
def prepare(raw: Path, public: Path, private: Path):
# Create train and test splits from train set
old_train = pd.read_csv(raw / "train.csv")
new_train, new_test = train_test_split(old_train, test_size=0.1, random_state=0)
# Create sample submission
sample_submission = new_test.copy()
sample_submission["price"] = 43878.016
sample_submission.drop(sample_submission.columns.difference(["id", "price"]), axis=1, inplace=True)
sample_submission.to_csv(public / "sample_submission.csv", index=False)
# Create private files
new_test.to_csv(private / "submission_test.csv", index=False)
# Create public files visible to agents
new_train.to_csv(public / "train.csv", index=False)
new_test.drop(["price"], axis=1, inplace=True)
new_test.to_csv(public / "test.csv", index=False)
# Checks
assert new_test.shape[1] == 12, "Public test set should have 12 columns"
assert new_train.shape[1] == 13, "Public train set should have 13 columns"
assert len(new_train) + len(new_test) == len(
old_train
), "Length of new_train and new_test should equal length of old_train"
if __name__ == "__main__":
competitions = "playground-series-s4e9"
raw = Path(__file__).resolve().parent
prepare(
raw=raw,
public=raw.parent.parent / competitions,
private=raw.parent.parent / "eval" / competitions,
)