Files
mlflow--mlflow/examples/evaluation/evaluate_on_binary_classifier.py
2026-07-13 13:22:34 +08:00

42 lines
1.1 KiB
Python

import shap
import xgboost
from sklearn.model_selection import train_test_split
import mlflow
from mlflow.models import infer_signature
# Load the UCI Adult Dataset
X, y = shap.datasets.adult()
# Split the data into training and test sets
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.33, random_state=42)
# Fit an XGBoost binary classifier on the training data split
model = xgboost.XGBClassifier().fit(X_train, y_train)
# Infer model signature
predictions = model.predict(X_train)
signature = infer_signature(X_train, predictions)
# Build the Evaluation Dataset from the test set
eval_data = X_test
eval_data["label"] = y_test
with mlflow.start_run() as run:
# Log the XGBoost binary classifier model to MLflow
model_info = mlflow.sklearn.log_model(
model, name="model", signature=signature, serialization_format="cloudpickle"
)
# Evaluate the logged model
result = mlflow.evaluate(
model_info.model_uri,
eval_data,
targets="label",
model_type="classifier",
evaluators=["default"],
)
print(f"metrics:\n{result.metrics}")
print(f"artifacts:\n{result.artifacts}")