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94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
import sys
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import mlflow
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import pandas as pd
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from sklearn.metrics import mean_squared_error
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from sklearn.model_selection import train_test_split
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from tensorflow.keras.callbacks import EarlyStopping
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from tensorflow.keras.layers import Dense, Dropout
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from tensorflow.keras.models import Sequential
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from urllib.parse import urlparse
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mlflow.set_tracking_uri("http://172.17.0.1:5000")
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def prepare_model(train_size_param, test_size_param, epochs, batch_size):
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movies_data = pd.read_csv("train.csv", error_bad_lines=False)
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movies_data.drop(movies_data.columns[0], axis=1, inplace=True)
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movies_data.dropna(inplace=True)
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X = movies_data.drop("rating", axis=1)
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Y = movies_data["rating"]
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X_train, X_test, Y_train, Y_test = train_test_split(
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X, Y, test_size=test_size_param, random_state=42
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)
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test_df = pd.read_csv("test.csv")
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test_df.drop(test_df.columns[0], axis=1, inplace=True)
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x_test = test_df.drop("rating", axis=1)
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y_test = test_df["rating"]
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# Set up model
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model = Sequential()
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model.add(Dense(8, activation="relu"))
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model.add(Dropout(0.5))
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model.add(Dense(3, activation="relu"))
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model.add(Dropout(0.5))
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model.add(Dense(1))
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model.compile(optimizer="adam", loss="mse")
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early_stop = EarlyStopping(monitor="val_loss", mode="min", verbose=1, patience=10)
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model.fit(
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x=X_train.values,
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y=Y_train.values,
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validation_data=(X_test, Y_test.values),
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batch_size=batch_size,
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epochs=epochs,
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callbacks=[early_stop],
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)
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y_pred = model.predict(x_test.values)
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input_example = X_test.values[10]
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rmse = mean_squared_error(y_test, y_pred)
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model.save("model_movies")
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return model, rmse, X_train, input_example
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train_size_param = float(sys.argv[1]) if len(sys.argv) > 1 else 0.8
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test_size_param = float(sys.argv[2]) if len(sys.argv) > 1 else 0.2
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epochs = int(sys.argv[3]) if len(sys.argv) > 1 else 400
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batch_size = int(sys.argv[4]) if len(sys.argv) > 1 else 128
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with mlflow.start_run():
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mlflow.log_param("train size", train_size_param)
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mlflow.log_param("test size", test_size_param)
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mlflow.log_param("epochs", epochs)
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mlflow.log_param("batch size", batch_size)
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model, rmse, X_train, input_example = prepare_model(
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train_size_param=train_size_param,
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test_size_param=test_size_param,
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epochs=epochs,
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batch_size=batch_size,
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)
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mlflow.log_metric("RMSE", rmse)
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signature = mlflow.models.signature.infer_signature(X_train.values, model.predict(X_train.values))
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# mlflow.keras.save_model(model, "movies_imdb", input_example=input_example, signature=signature)
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mlflow.set_experiment("s430705")
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tracking_url_type_store = urlparse(mlflow.get_tracking_uri()).scheme
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if tracking_url_type_store != "file":
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mlflow.keras.log_model(model, "movies_imdb2", registered_model_name="s430705", signature=signature,
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input_example=input_example)
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else:
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mlflow.keras.log_model(model, "model_movies", signature=signature, input_example=input_example)
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mlflow.keras.save_model(model, "movies_mdb", signature=signature, input_example=input_example)
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