def main(_):
assert sum([FLAGS.train, FLAGS.predict, FLAGS.eval]) == 1
if not os.path.exists(FLAGS.checkpoint_dir):
os.makedirs(FLAGS.checkpoint_dir)
if not os.path.exists(FLAGS.log_dir):
os.makedirs(FLAGS.log_dir)
# config = tf.ConfigProto(gpu_options=tf.GPUOptions(per_process_gpu_memory_fraction=0.5))
# config.gpu_options.allow_growth = True
os.environ["CUDA_VISIBLE_DEVICES"] = '1'
# with tf.Session(config=config) as sess:
with tf.Session() as sess:
dnn = DNN(sess, FLAGS)
if FLAGS.train:
# os.environ["CUDA_VISIBLE_DEVICES"] = '1'
dnn.fit()
elif FLAGS.predict:
dnn.load_network()
samples = np.array(
pd.read_csv('dataset/gen_samples.csv', header=None))
gen_y = samples[:, -1]
predict = dnn.predict(np.delete(samples, -1, 1))
# assert gen_y.shape[0] == predict.shape[0]
# print 'Accuracy: {}%'.format((predict == gen_y).sum() / float(predict.shape[0]) * 100)
samples = samples[gen_y != predict]
pd.DataFrame(samples).to_csv('dataset/gen_samples.csv',
index=False,
header=None)
elif FLAGS.eval:
dnn.load_network()
dnn.eval()
boston = datasets.load_boston()
#boston = datasets.make_regression()
#data = boston[0]
#target = boston[1]
data = boston.data
target = boston.target
matrix = Preprocess.to_matrix(list(data))
matrix = Preprocess.scale(matrix)
matrix = list(matrix)
target = list(target)
layers = [13,7,1]
dnn = DNN(matrix, target, layers, hidden_layer="TanhLayer", final_layer="LinearLayer", compression_epochs=5, smoothing_epochs=0, bias=True)
full = dnn.fit()
print full
#preds = [dnn.predict(d)[0] for d in matrix]
preds = [full.activate(d)[0] for d in matrix]
print "mrse preds {0}".format(mrse(preds, target))
print "rmse preds {0}".format(rmse(preds, target))
#mean = avg(target)
#mean = [mean for i in range(len(target))]
#print "mrse mean {0}".format(mrse(mean, target))
#print "rmse mean {0}".format(rmse(mean, target))
#for i in range(10):
# d = matrix[i]
# t = target[i]
from mnist_dnn_data import load_data
from dnn import DNN
(train_x, train_y), (test_x, test_y) = load_data()
num_input = train_x.shape[1]
num_hiddens = [100, 50]
num_output = train_y.shape[1]
model = DNN(num_input, num_hiddens, num_output)
history = model.fit(train_x, train_y, epochs=5, batch_size=100, validation_split=0.2)
performance_test = model.evaluate(test_x, test_y, batch_size=100)
print('Test Loss and Accuracy ->', performance_test)
import numpy as np
from dnn import DNN
from keras.datasets import mnist
from keras.utils import np_utils, to_categorical
(x_train, y_train), (x_test, y_test) = mnist.load_data()
mnist_original_size = 28
x_train = x_train.reshape(x_train.shape[0], mnist_original_size, mnist_original_size, 1)
x_test = x_test.reshape(x_test.shape[0], mnist_original_size, mnist_original_size, 1)
y_train = to_categorical(y_train, 10)
y_test = to_categorical(y_test, 10)
model1 = DNN(width=x_train.shape[1], height=x_train.shape[2], depth=x_train.shape[3], classes=10)
model1.compile(loss="categorical_crossentropy", optimizer='adadelta', metrics=["accuracy"])
model1.fit(x_train, y_train, epochs=1, verbose=1)
loss, accuracy = model1.evaluate(x_test, y_test, verbose=1)
print('\nloss: {:.2f}%, accuracy: {:.2f}%'.format(loss*100, accuracy*100))
m1 = model1.predict_proba(x_test)
model2 = DNN(width=x_train.shape[1], height=x_train.shape[2], depth=x_train.shape[3], classes=10)
model2.compile(loss="categorical_crossentropy", optimizer='adadelta', metrics=["accuracy"])
model2.fit(x_train, y_train, nb_epoch=1, verbose=1)
loss, accuracy = model2.evaluate(x_test, y_test, verbose=1)
print('\nloss: {:.2f}%, accuracy: {:.2f}%'.format(loss*100, accuracy*100))