def main_program(positions_input, number_of_simulations):
"""This is the main program that takes the clean inputs and calls the investment_instrument class.
The program iterates through each investment position and outputs a histogram and mean/std stats.
"""
print("Please WAIT! The program is calculating daily returns for your inputted scenarios. This may take a while.")
# this is the file where the stats results will be saved
file = open("results.txt", "w")
file.close()
for i in positions_input:
# for each position, define daily_return using the class to "fix" simulated results so that
# the histogram and stats are produced using the same daily return values
daily_ret = investment_instrument(i,number_of_simulations).generate_daily_returns()
investment_instrument(i,number_of_simulations).histogram(daily_ret)
investment_instrument(i,number_of_simulations).summary_stats(daily_ret)
def main_program(positions_input, number_of_simulations):
"""This is the main program that takes the clean inputs and calls the investment_instrument class.
The program iterates through each investment position and outputs a histogram and mean/std stats.
"""
print(
"Please WAIT! The program is calculating daily returns for your inputted scenarios. This may take a while."
)
# this is the file where the stats results will be saved
file = open("results.txt", "w")
file.close()
for i in positions_input:
# for each position, define daily_return using the class to "fix" simulated results so that
# the histogram and stats are produced using the same daily return values
daily_ret = investment_instrument(
i, number_of_simulations).generate_daily_returns()
investment_instrument(i, number_of_simulations).histogram(daily_ret)
investment_instrument(i,
number_of_simulations).summary_stats(daily_ret)
valid_positions = ['1','10','100','1000']
if positions in valid_positions:
positions = int(positions)
positions_check = 1
else:
print "Sorry, I didn't understand. Please type 1, 10, 100, or 1000 as you input."
num_trials_check = 0
while num_trials_check == 0:
num_trials = raw_input("How many times would you like to repeat the test?")
valid_num_trials = range(10001)
del valid_num_trials[0]
valid_num_trials = map(str,valid_num_trials)
if num_trials in valid_num_trials:
num_trials = int(num_trials)
num_trials_check = 1
else:
print "Sorry, I didn't understand. Please type a number between 1 and 10,000 as you input."
invest = investment_instrument(positions,num_trials)
invest.mean_n_std()
invest.plot_hist()
except KeyboardInterrupt:
print "\nProgram ended by user."
sys.exit(1)
except ValueError:
print "\nError with input format."