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Update app.py
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app.py
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import pandas as pd
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import numpy as np
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from tensorflow.keras import layers
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from tensorflow.keras import Input
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from tensorflow.keras.models import Model
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from tensorflow.keras.preprocessing import sequence
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from tensorflow.keras.preprocessing.text import Tokenizer
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import matplotlib.pyplot as plt
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from tensorflow.keras.callbacks import EarlyStopping
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df = pd.read_csv("train.csv")
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embeddings_index = {}
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f = open('glove.6B.100d.txt',encoding="utf")
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for line in f:
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values = line.split()
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word = values[0]
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coefs = np.asarray(values[1:], dtype='float32')
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embeddings_index[word] = coefs
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f.close()
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print('Found %s word vectors.' % len(embeddings_index))
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data = df.text
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labels = df.target
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x_train = data[0:6100]
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x_test = data[6100:]
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y_train = labels[0:6100]
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y_test = labels[6100:]
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tokenizer = Tokenizer()
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tokenizer.fit_on_texts(x_train.values)
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sequences = tokenizer.texts_to_sequences(x_train.values)
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sequences = sequence.pad_sequences(sequences, maxlen=200)
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vocab_size = len(tokenizer.word_index)+1
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embedding_dim = 100
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max_words=1513
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embedding_matrix = np.zeros((vocab_size, embedding_dim))
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for word, i in tokenizer.word_index.items():
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if i < max_words:
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embedding_vector = embeddings_index.get(word)
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if embedding_vector is not None:
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embedding_matrix[i] = embedding_vector
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input_layer = Input(shape=(None,), dtype='int32', name='tweet_input')
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x = layers.Embedding(vocab_size, 100, input_length=200)(input_layer)
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x = layers.LSTM(32,
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dropout=0.1,
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recurrent_dropout=0.5,
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return_sequences=True)(x)
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x = layers.LSTM(32,
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dropout=0.1,
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recurrent_dropout=0.5,
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return_sequences=False)(x)
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x = layers.Dense(100, activation='relu')(x)
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output = layers.Dense(1, activation='sigmoid')(x)
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model = Model(input_layer,output)
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model.layers[1].set_weights([embedding_matrix])
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model.layers[1].trainable = False
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model.compile(optimizer='rmsprop', loss='binary_crossentropy', metrics=['acc'])
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es = EarlyStopping(monitor='val_loss', mode='min')
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history = model.fit(sequences, y_train.values, epochs=20, validation_split=0.2, callbacks = [es])
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model.save("trained.h5")
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sequences = tokenizer.texts_to_sequences(x_test.values)
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sequences = sequence.pad_sequences(sequences, maxlen=200)
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x_test = sequences
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score = model.evaluate(x_test, y_test.values)
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test = pd.read_csv("test.csv")
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ids = test.id
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test = test.text
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sequences = tokenizer.texts_to_sequences(test)
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sequences = sequence.pad_sequences(sequences, maxlen=200)
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results = model.predict(sequences)
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results = results.round()
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results = results.squeeze()
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csv_df = pd.DataFrame({
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"id": ids,
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"target": results
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})
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csv_df.index = csv_df.id
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csv_df = csv_df["target"]
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csv_df = csv_df.astype(int)
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csv_df.to_csv("results.csv", header=True)
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def encoder(text):
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text = tokenizer.texts_to_sequences([text])
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text = sequence.pad_sequences(text, maxlen=200)
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return text
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def predict(text):
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encoded_text = encoder(text)
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# print(encoded_text)
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prediction = (model.predict(encoded_text))
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print(prediction)
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prediction = np.round(prediction)
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if prediction==1:
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return "Disaster"
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return "Not a Disaster"
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import gradio as gr
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title="Relevance Classifier"
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description="<p style='text-align:center'>Classifies input text into Disaster-related or not disaster related."
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gr.Interface(fn=predict, inputs='text', outputs='text', title=title, description=description).launch()
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