Jiahuita
commited on
Commit
Β·
5fda167
1
Parent(s):
f4e5a43
Fix deployment issues
Browse files- combined_data.csv +0 -3
- lstm.ipynb +0 -223
- main.ipynb +0 -0
- vectorizer.pkl +0 -3
combined_data.csv
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version https://git-lfs.github.com/spec/v1
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oid sha256:a036654289f27cd973f6d8b2ac28932202021afb97b38f8b61c67c80aa88f300
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size 28167352
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lstm.ipynb
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Epoch 1/10\n",
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"\u001b[1m7964/7964\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m383s\u001b[0m 48ms/step - accuracy: 0.7637 - loss: 0.4815 - val_accuracy: 0.8195 - val_loss: 0.3929 - learning_rate: 0.0010\n",
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"Epoch 2/10\n",
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"\u001b[1m7964/7964\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m360s\u001b[0m 45ms/step - accuracy: 0.8561 - loss: 0.3267 - val_accuracy: 0.8256 - val_loss: 0.3854 - learning_rate: 0.0010\n",
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"Epoch 3/10\n",
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"\u001b[1m7964/7964\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m373s\u001b[0m 47ms/step - accuracy: 0.8937 - loss: 0.2503 - val_accuracy: 0.8250 - val_loss: 0.4444 - learning_rate: 0.0010\n",
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"Epoch 4/10\n",
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"\u001b[1m7964/7964\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m377s\u001b[0m 47ms/step - accuracy: 0.9269 - loss: 0.1794 - val_accuracy: 0.8173 - val_loss: 0.4580 - learning_rate: 0.0010\n",
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"Epoch 5/10\n",
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"\u001b[1m7964/7964\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m385s\u001b[0m 48ms/step - accuracy: 0.9496 - loss: 0.1284 - val_accuracy: 0.8147 - val_loss: 0.5704 - learning_rate: 0.0010\n",
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"\u001b[1m2213/2213\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m20s\u001b[0m 9ms/step - accuracy: 0.8228 - loss: 0.3848\n",
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"Test Accuracy: 0.8214734792709351\n",
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"\u001b[1m2213/2213\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m24s\u001b[0m 11ms/step\n",
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"\n",
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"Classification Report:\n",
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" precision recall f1-score support\n",
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"\n",
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" 0 0.84 0.90 0.87 46733\n",
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" 1 0.77 0.68 0.72 24052\n",
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"\n",
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" accuracy 0.82 70785\n",
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" macro avg 0.81 0.79 0.79 70785\n",
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"weighted avg 0.82 0.82 0.82 70785\n",
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"\n",
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"\n",
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"Confusion Matrix:\n",
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"[[41892 4841]\n",
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" [ 7796 16256]]\n"
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]
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}
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],
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"source": [
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"import numpy as np\n",
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"import pandas as pd\n",
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"from tensorflow.keras.preprocessing.text import Tokenizer\n",
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"from tensorflow.keras.preprocessing.sequence import pad_sequences\n",
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"from tensorflow.keras.models import Sequential\n",
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"from tensorflow.keras.layers import Embedding, LSTM, Dense, Dropout\n",
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"from tensorflow.keras.utils import to_categorical\n",
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"from sklearn.model_selection import train_test_split\n",
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"from sklearn.preprocessing import LabelEncoder\n",
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"from sklearn.metrics import classification_report, confusion_matrix\n",
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"from tensorflow.keras.callbacks import ReduceLROnPlateau, TensorBoard, EarlyStopping\n",
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"\n",
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"# load data\n",
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"df = pd.read_csv('combined_data.csv')\n",
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"\n",
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"# Tokenize the text\n",
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"tokenizer = Tokenizer()\n",
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"tokenizer.fit_on_texts(df['title'])\n",
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"X = tokenizer.texts_to_sequences(df['title'])\n",
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"X = pad_sequences(X)\n",
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"\n",
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"# Encode the target variable\n",
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"encoder = LabelEncoder()\n",
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"y = encoder.fit_transform(df['source'])\n",
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"y = to_categorical(y)\n",
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"\n",
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"# Split the data\n",
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"X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=42)\n",
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"\n",
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"# Build the LSTM model\n",
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"model = Sequential()\n",
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"model.add(Embedding(len(tokenizer.word_index) + 1, 128))\n",
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"model.add(LSTM(128, return_sequences=True))\n",
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"model.add(Dropout(0.5))\n",
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"model.add(LSTM(64))\n",
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"model.add(Dropout(0.5))\n",
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"model.add(Dense(len(encoder.classes_), activation='softmax'))\n",
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"model.compile(optimizer='adam', loss='categorical_crossentropy', metrics=['accuracy'])\n",
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"\n",
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"# Learning rate scheduler\n",
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"lr_scheduler = ReduceLROnPlateau(monitor='val_loss', factor=0.5, patience=3, min_lr=1e-5)\n",
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"\n",
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"# TensorBoard callback for logging\n",
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"tensorboard_callback = TensorBoard(log_dir='./logs', histogram_freq=1)\n",
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"\n",
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"# Early stopping to prevent overfitting\n",
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"early_stopping = EarlyStopping(monitor='val_loss', patience=3, restore_best_weights=True)\n",
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"\n",
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"# Train the model with callbacks\n",
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"model.fit(X_train, y_train, epochs=10, batch_size=32, validation_split=0.1, \n",
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" callbacks=[lr_scheduler, tensorboard_callback, early_stopping])\n",
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"\n",
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"# Evaluate the model\n",
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"loss, accuracy = model.evaluate(X_test, y_test)\n",
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"print(f\"Test Accuracy: {accuracy}\")\n",
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"\n",
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"# Predictions and evaluation\n",
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"y_pred = model.predict(X_test)\n",
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"y_pred_classes = y_pred.argmax(axis=1)\n",
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"y_test_classes = y_test.argmax(axis=1)\n",
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"\n",
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"print(\"\\nClassification Report:\")\n",
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"print(classification_report(y_test_classes, y_pred_classes))\n",
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"\n",
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"print(\"\\nConfusion Matrix:\")\n",
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"print(confusion_matrix(y_test_classes, y_pred_classes))\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 6,
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"metadata": {},
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"outputs": [
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{
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"name": "stderr",
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"output_type": "stream",
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"text": [
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"WARNING:absl:You are saving your model as an HDF5 file via `model.save()` or `keras.saving.save_model(model)`. This file format is considered legacy. We recommend using instead the native Keras format, e.g. `model.save('my_model.keras')` or `keras.saving.save_model(model, 'my_model.keras')`. \n"
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]
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}
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],
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"source": [
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"# save model\n",
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"model.save('news_classifier.h5')\n",
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"\n",
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"# save tokenizer\n",
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"import pickle\n",
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"with open('tokenizer.pickle', 'wb') as handle:\n",
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" pickle.dump(tokenizer, handle, protocol=pickle.HIGHEST_PROTOCOL)\n",
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" \n",
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"# save encoder\n",
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"with open('encoder.pickle', 'wb') as handle:\n",
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" pickle.dump(encoder, handle, protocol=pickle.HIGHEST_PROTOCOL)\n"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"metadata": {},
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"outputs": [],
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"source": [
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"# deploy the model\n",
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"# user give the title and the model will predict the source\n",
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"# Load the model and tokenizer\n",
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"from tensorflow.keras.models import load_model\n",
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"import pickle\n",
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"\n",
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"# Load the tokenizer\n",
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"with open('tokenizer.pickle', 'rb') as handle:\n",
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" tokenizer = pickle.load(handle)\n",
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"\n",
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"# Load the encoder\n",
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"with open('encoder.pickle', 'rb') as handle:\n",
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" encoder = pickle.load(handle)\n",
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"\n",
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"\n",
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"def predict_source(title):\n",
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" # Load the model\n",
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" model = load_model('news_classifier.h5')\n",
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" # Tokenize the input\n",
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" X = tokenizer.texts_to_sequences([title])\n",
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" X = pad_sequences(X)\n",
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" # Predict the source\n",
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" y_pred = model.predict(X)\n",
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" source = encoder.inverse_transform(y_pred.argmax(axis=1))\n",
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" return source[0]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 26,
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"metadata": {},
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"outputs": [
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{
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"name": "stderr",
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"output_type": "stream",
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"text": [
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"WARNING:absl:Compiled the loaded model, but the compiled metrics have yet to be built. `model.compile_metrics` will be empty until you train or evaluate the model.\n"
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]
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},
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"\u001b[1m1/1\u001b[0m \u001b[32mββββββββββββββββββββ\u001b[0m\u001b[37m\u001b[0m \u001b[1m0s\u001b[0m 109ms/step\n",
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"Predicted Source: foxnews\n"
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]
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}
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],
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"source": [
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"# Test the function\n",
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"# user input\n",
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"title = input(\"Enter the title: \")\n",
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"source = predict_source(title)\n",
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"print(f\"Predicted Source: {source}\")"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "base",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.12.4"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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main.ipynb
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vectorizer.pkl
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version https://git-lfs.github.com/spec/v1
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oid sha256:0c379aaf596d44439b4330c4f89e3813e734dea7867b4b5fd9065c547161e552
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size 900222
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