我使用了MLflow，并使用下面的函数（来自pydataberlin）记录了参数。

def train(alpha=0.5, l1_ratio=0.5):
    # train a model with given parameters
    warnings.filterwarnings("ignore")
    np.random.seed(40)

    # Read the wine-quality csv file (make sure you're running this from the root of MLflow!)
    data_path = "data/wine-quality.csv"
    train_x, train_y, test_x, test_y = load_data(data_path)

    # Useful for multiple runs (only doing one run in this sample notebook)    
    with mlflow.start_run():
        # Execute ElasticNet
        lr = ElasticNet(alpha=alpha, l1_ratio=l1_ratio, random_state=42)
        lr.fit(train_x, train_y)

        # Evaluate Metrics
        predicted_qualities = lr.predict(test_x)
        (rmse, mae, r2) = eval_metrics(test_y, predicted_qualities)

        # Print out metrics
        print("Elasticnet model (alpha=%f, l1_ratio=%f):" % (alpha, l1_ratio))
        print("  RMSE: %s" % rmse)
        print("  MAE: %s" % mae)
        print("  R2: %s" % r2)

        # Log parameter, metrics, and model to MLflow
        mlflow.log_param(key="alpha", value=alpha)
        mlflow.log_param(key="l1_ratio", value=l1_ratio)
        mlflow.log_metric(key="rmse", value=rmse)
        mlflow.log_metrics({"mae": mae, "r2": r2})
        mlflow.log_artifact(data_path)
        print("Save to: {}".format(mlflow.get_artifact_uri()))
        
        mlflow.sklearn.log_model(lr, "model")

一旦我运行train()及其参数，在UI中我看不到Artifacts，但我可以看到模型及其参数和Metric。
在工件选项卡中，它被写为No Artifacts Recorded Use the log artifact APIs to store file outputs from MLflow runs.，但在模型文件夹中的finder中，所有工件都与模型Pickle一起存在。
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