Ejemplo n.º 1
0
                    batch_size=batchsize, epochs=epochs, validation_data=(x_val, y_val))

# Output training history to csv
history_df = pd.DataFrame(history.history)
history_df.to_csv("training_history.csv")

print("Predicting...")
result = model.predict(x_test)
predicted = pd.DataFrame(result)
predicted.columns = ['predicted_nikkei']
predicted['actual_nikkei'] = y_test

print("Completed Prediction.")
print(predicted.shape)
print(predicted[:10])
# Output to csv
predicted.to_csv("predicted.csv")

# Evaluate
evaluation_score = model.evaluate(x_test, y_test, batch_size=batchsize, verbose=1)
print("Evaluation score is {}".format(evaluation_score))

# Evaluate benchmark
dummy_predicted = DummyPredictor().get_evaluation_score(y_train)
dummy_evaluation_score = np.mean((y_test - dummy_predicted) ** 2)
print("Dummy evaluation score is {}".format(dummy_evaluation_score))

# Compare
comparison = (evaluation_score / dummy_evaluation_score) * 100
print("This prediction model's MSE is {} percent compared to benchmark. (smaller is better)".format(comparison))
Ejemplo n.º 2
0
sys.dont_write_bytecode = True

from data import DataLoader
from lstm_model import LSTMModel
from feed_forward_model import FeedForwardModel

k = 5
results = []
total = 0

for i in range(k):

    dataLoader = DataLoader(src="MNIST_data/dataset")

    [
        noisyTrain, noisySymbolsTrain, targetsTrain, noisyValidation,
        noisySymbolsValidation, targetsValidation, noisyTest, noisySymbolsTest,
        targetsTest
    ] = dataLoader.getSequencialData(i, 2, 2)

    model = LSTMModel(2, [512, 512], 1568, 20)
    model.train(noisySymbolsTrain, targetsTrain, noisySymbolsValidation,
                targetsValidation, 100, 200)
    result = model.evaluate(noisySymbolsTest, targetsTest)

    results.append(result[1])
    total += result[1]

print(results)
print("SCORE: " + str(total / k))
Ejemplo n.º 3
0
[
    noisyTrain,
    noisySymbolsTrain,
    targetsTrain,
    noisyValidation,
    noisySymbolsValidation,
    targetsValidation,
    noisyTest,
    noisySymbolsTest,
    targetsTest
] = dataLoader.getSequencialDataWithDontCare(0, 2, 2)

model = LSTMModel(2, [512, 512, 512], 1568, 20)
model.train(noisyTrain, targetsTrain, noisyValidation, targetsValidation, 100, 100)
result = model.evaluate(noisyTest, targetsTest)
predictions = model.predict(noisyTest)
count = 0
for index in range(len(predictions)):
    a = utils.argmax(predictions[index][:10])
    b = utils.argmax(predictions[index][10:])
    predicted = a * 10 + b

    a = utils.argmax(targetsTest[index][:10])
    b = utils.argmax(targetsTest[index][10:])
    actual = a * 10 + b

    if actual == predicted:
        count += 1