def random_search(strategy_dictionary_local, n_iterations):
toc = tic()
data_local, data_2 = import_data(strategy_dictionary)
fitting_inputs_local, continuous_targets, classification_targets = input_processing(
data_local, data_2, strategy_dictionary)
counter = 0
error = 1e5
while counter < n_iterations:
counter += 1
strategy_dictionary_local = randomise_dictionary_inputs(strategy_dictionary_local)
if strategy_dictionary['regression_mode'] == 'classification':
fitting_targets_local = classification_targets
elif strategy_dictionary['regression_mode'] == 'regression':
fitting_targets_local = continuous_targets
fitting_inputs_local = preprocessing_inputs(strategy_dictionary, fitting_inputs_local)
fitting_dictionary, profit_factor = fit_strategy(
strategy_dictionary, data_local, fitting_inputs_local, fitting_targets_local)
error_loop = fitting_dictionary['error']
if error_loop < error and fitting_dictionary['n_trades'] != 0:
error = error_loop
strategy_dictionary_local_optimum = strategy_dictionary_local
fitting_dictionary_optimum = fitting_dictionary
underlined_output('Best strategy fit')
output_strategy_results(strategy_dictionary_local_optimum, fitting_dictionary_optimum, data_local, toc)
return strategy_dictionary_local_optimum, fitting_inputs_local, fitting_targets_local, data_local
def random_search(strategy_dictionary_local, n_iterations, toc):
"""random search to find optimum machine learning algorithm and preprocessing"""
data_local = import_data(strategy_dictionary_local)
fitting_inputs_local, continuous_targets, classification_targets = input_processing(
data_local, strategy_dictionary_local)
counter = 0
error = 1e5
fitting_targets_local = []
fitting_dictionary_optimum = []
strategy_dictionary_optimum = []
while counter < n_iterations:
counter += 1
strategy_dictionary_local = randomise_dictionary_inputs(
strategy_dictionary_local)
if strategy_dictionary_local['regression_mode'] == 'classification':
fitting_targets_local = classification_targets.astype(int)
elif strategy_dictionary_local['regression_mode'] == 'regression':
fitting_targets_local = continuous_targets
fitting_inputs_local, strategy_dictionary_local = preprocessing_inputs(
strategy_dictionary_local, fitting_inputs_local)
fitting_dictionary_local, _, _, strategy_dictionary_local = fit_strategy(
strategy_dictionary_local, data_local, fitting_inputs_local,
fitting_targets_local)
error_loop = fitting_dictionary_local['error']
if error_loop < error and fitting_dictionary_local['n_trades'] != 0:
error = error_loop
strategy_dictionary_optimum = strategy_dictionary_local
fitting_dictionary_optimum = fitting_dictionary_local
if strategy_dictionary_optimum:
profit, test_profit = output_strategy_results(
strategy_dictionary_optimum, fitting_dictionary_optimum,
data_local, toc)
else:
test_profit = -2
return strategy_dictionary_optimum,\
fitting_dictionary_optimum,\
fitting_inputs_local,\
fitting_targets_local,\
data_local,\
test_profit
def random_search(strategy_dictionary_local, n_iterations):
"""random search to find optimum machien learning algorithm and preprocessing"""
toc = tic()
data_local = import_data(strategy_dictionary_local)
fitting_inputs_local, continuous_targets, classification_targets = input_processing(
data_local, strategy_dictionary_local)
counter = 0
error = 1e5
fitting_targets_local = []
fitting_dictionary_optimum = []
strategy_dictionary_optimum = []
while counter < n_iterations:
counter += 1
strategy_dictionary_local = randomise_dictionary_inputs(
strategy_dictionary_local)
if strategy_dictionary_local['regression_mode'] == 'classification':
fitting_targets_local = classification_targets.astype(int)
elif strategy_dictionary_local['regression_mode'] == 'regression':
fitting_targets_local = continuous_targets
fitting_inputs_local, strategy_dictionary = preprocessing_inputs(
strategy_dictionary_local, fitting_inputs_local)
fitting_dictionary, profit_factor = fit_strategy(
strategy_dictionary, data_local, fitting_inputs_local,
fitting_targets_local)
error_loop = fitting_dictionary['error']
if error_loop < error and fitting_dictionary['n_trades'] != 0:
error = error_loop
strategy_dictionary_optimum = strategy_dictionary_local
fitting_dictionary_optimum = fitting_dictionary
underlined_output('Best strategy fit')
output_strategy_results(strategy_dictionary_optimum,
fitting_dictionary_optimum, data_local, toc)
return strategy_dictionary_optimum, fitting_inputs_local, fitting_targets_local, data_local
def random_search(strategy_dictionary_local, n_iterations):
toc = tic()
counter = 0
error = -1e5
while counter < n_iterations:
counter += 1
strategy_dictionary_local = randomise_dictionary_inputs(strategy_dictionary_local)
fitting_dictionary, data_to_predict, profit_factor = fit_strategy(strategy_dictionary_local)
error_loop = fitting_dictionary['error']
if error_loop > error and fitting_dictionary['n_trades'] != 0:
error = error_loop
strategy_dictionary_local_optimum = strategy_dictionary_local
fitting_dictionary_optimum = fitting_dictionary
underlined_output('Best strategy fit')
output_strategy_results(strategy_dictionary_local_optimum, fitting_dictionary_optimum, data_to_predict, toc)
return strategy_dictionary_local_optimum