98 lines
2.8 KiB
Python
98 lines
2.8 KiB
Python
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import os
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import sys
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import pandas as pd
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import numpy as np
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import tensorflow as tf
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from tensorflow.keras import layers
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import matplotlib.pyplot as plt
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#train params
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numberOfEpoch = sys.argv[1]
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cwd = os.path.abspath(os.path.dirname(sys.argv[0]))
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pathTrain = cwd + "./Participants_Data_HPP/Train.csv"
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pathTest = cwd + "./Participants_Data_HPP/Test.csv"
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features = ["UNDER_CONSTRUCTION", "RERA", "BHK_NO.", "SQUARE_FT", "READY_TO_MOVE", "RESALE", "LONGITUDE", "LATITUDE", "TARGET(PRICE_IN_LACS)"]
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# get dataset
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house_price_train = pd.read_csv(pathTrain)[features]
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# get test dataset
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house_price_test = pd.read_csv(pathTest)[features]
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house_price_features = house_price_train.copy()
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# pop column
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house_price_labels = house_price_features.pop('TARGET(PRICE_IN_LACS)')
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# process data
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normalize = layers.Normalization()
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normalize.adapt(house_price_features)
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feature_test_sample = house_price_test.sample(10)
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labels_test_sample = feature_test_sample.pop('TARGET(PRICE_IN_LACS)')
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house_price_test_features = house_price_test.copy()
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# pop column
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house_price_test_expected = house_price_test_features.pop('TARGET(PRICE_IN_LACS)')
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# to np.array
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# house_price_test = np.array(house_price_test)
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# house_price_test_expected = np.array(house_price_test_expected)
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house_price_features = np.array(house_price_features)
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# checkoints
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# checkpoint_path = "training_1/cp.ckpt"
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# checkpoint_dir = os.path.dirname(checkpoint_path)
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# Create a callback that saves the model's weights
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# cp_callback = tf.keras.callbacks.ModelCheckpoint(filepath=checkpoint_path, save_weights_only=True, verbose=1)
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# model keras.Sequential
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# one output tensor
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modelPath = 'saved_model/MyModel_tf'
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try:
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linear_model = tf.keras.models.load_model(modelPath)
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print("open existing model")
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except Exception as ex:
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print(ex)
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linear_model = tf.keras.Sequential([
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normalize,
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layers.Dense(1)
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])
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linear_model.compile(loss = tf.losses.MeanSquaredError(),
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optimizer = tf.optimizers.Adam(1))
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print("creating new model")
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# train model
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history = linear_model.fit(
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house_price_features,
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house_price_labels,
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epochs=int(numberOfEpoch),
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validation_split=0.33,
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verbose=1)
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#callbacks=[cp_callback])
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# save model
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linear_model.save(modelPath, save_format='tf')
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test_results = {}
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test_results['linear_model'] = linear_model.evaluate(
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house_price_test_features, house_price_test_expected, verbose=0)
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def flatten(t):
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return [item for sublist in t for item in sublist]
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pred = np.array(linear_model.predict(feature_test_sample))
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flatten_pred = flatten(pred)
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# print("predictions: " + str(flatten_pred))
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# print("expected: " + str(np.array(labels_test_sample)))
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with open(cwd + "/../result.txt", "w+") as resultFile:
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resultFile.write("predictions: " + str(flatten_pred) + '\n')
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resultFile.write("expected: " + str(labels_test_sample.to_numpy()))
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