def regression_chicago_crime_weather(p, date_start, date_end, crime_types = None, wards = None):
crime_data = get_chicago_crime_data(p, date_start, date_end, crime_types, wards)
weather_data = get_chicago_weather_data(p, date_start, date_end)
crimes = [x[1] for x in crime_data]
temps = [x[1] for x in weather_data]
fill_missing_values(temps)
r = Regression(temps, u"Temperature (°F)", crimes, get_crimes_label(crime_types))
r.compute()
r.plot()
