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331c49c
1
Parent(s):
ec1506e
Delete train.py
Browse files
train.py
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import time
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print("Loading libraries...")
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start_time = time.time()
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import sklearn
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from sklearn.model_selection import train_test_split
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from sklearn.metrics import accuracy_score, confusion_matrix, classification_report, mean_squared_error
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from sklearn.neural_network import MLPRegressor
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from sklearn.feature_extraction.text import CountVectorizer
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import matplotlib.pyplot as plt
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import datasets
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import pickle
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print(f"Libraries loaded in {round((time.time() - start_time) * 1000, 3)} ms.")
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print("Loading vectorizer...")
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start_time = time.time()
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count_vect = CountVectorizer()
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print(f"Vectorizer loaded in {round((time.time() - start_time) * 1000, 3)} ms.")
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print(f"Saving vectorizer...")
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start_time = time.time()
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# Save vectorizer
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pickle.dump(count_vect, open('vectorizer.pkl', 'wb'))
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print("Setting configuration...")
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start_time = time.time()
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# Set configuration
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sklearn.set_config(working_memory=4096)
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data_size = 100000
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print(f"Configuration set in {round((time.time() - start_time) * 1000, 3)} ms.")
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print("Loading data...")
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start_time = time.time()
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# Load data
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dataset = datasets.load_dataset('ucberkeley-dlab/measuring-hate-speech', 'binary')
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df = dataset['train'].to_pandas()
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print(f"Data loaded in {round((time.time() - start_time) * 1000, 3)} ms.")
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print(df.head())
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print("Preprocessing data...")
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start_time = time.time()
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# Extract text and labels
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X_text = df['text'][:data_size] # Assuming 'text' is the column containing the text data
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y_columns = ['hate_speech_score', 'sentiment', 'respect', 'insult', 'humiliate', 'status', 'dehumanize', 'violence', 'genocide', 'attack_defend', 'hatespeech']
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y = df[y_columns][:data_size]
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y = y.fillna(0)
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# Convert text to vectors
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X = count_vect.fit_transform(X_text)
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print(f"Data preprocessed in {round((time.time() - start_time) * 1000, 3)} ms.")
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print("Splitting data...")
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start_time = time.time()
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# Load data
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X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.25)
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print(f"Data split in {round((time.time() - start_time) * 1000, 3)} ms.")
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print("Training model...")
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start_time = time.time()
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# Create MLPRegressor model
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mlp = MLPRegressor(hidden_layer_sizes=(256, 128, 64, 32, 16), activation='relu', max_iter=100, alpha=0.0001, learning_rate_init=0.003, solver='adam', verbose=True, tol=0.000000000001, early_stopping=False, n_iter_no_change=5000)
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mlp.fit(X_train, y_train)
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print(f"Model trained in {round((time.time() - start_time), 3)} s.")
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print("Evaluating model...")
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# Predict and score
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predictions = mlp.predict(X_test)
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print("Mean squared error: ", mean_squared_error(y_test, predictions))
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# Plot the loss curve
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plt.plot(mlp.loss_curve_)
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plt.title("Loss curve")
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plt.xlabel("Iteration")
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plt.ylabel("Loss")
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plt.show()
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print("Done!")
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# Save the model to disk
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filename = 'model.pkl'
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pickle.dump(mlp, open(filename, 'wb'))
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# Test the model for fun :)
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sentences = count_vect.fit_transform(["Fuck you you stupid nigger", "You're a piece of shit", "Awesome!", "Oh my god, I never realized that!"])
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predictions = mlp.predict(sentences)
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# Write dict of sentences and predictions
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values = {sentences[i]: predictions[i] for i in range(len(sentences))}
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