def __init__(self,
callbacks=list([]),
early_stopping_patience=12,
batch_size=64,
num_epochs=100,
validation_fraction=0.1,
shuffle=True,
learning_rate=0.0001,
optimizer=None,
verbose=0):
self.batch_size = batch_size
Validation.check_is_positive_integer_greaterequals_1(
num_epochs, var_name="num_epochs")
self.num_epochs = num_epochs
Validation.check_is_fraction(validation_fraction,
var_name="validation_fraction")
self.validation_fraction = validation_fraction
self.shuffle = shuffle
self.learning_rate = learning_rate
self.optimizer = optimizer
self.verbose = verbose
self.callbacks = callbacks
self.early_stopping_patience = early_stopping_patience
def test_check_is_fraction(self):
with self.assertRaises(ValueError):
Validation.check_is_fraction(-1.0)
with self.assertRaises(ValueError):
Validation.check_is_fraction(1.01)
with self.assertRaises(ValueError):
Validation.check_is_fraction(-0.01)
Validation.check_is_fraction(1.0)
Validation.check_is_fraction(0.0)
Validation.check_is_fraction(0.00000001)
Validation.check_is_fraction(1.0 - 0.00000001)