parent_command:economy/qa
usage: rolling [-w N_WINDOW]

Rolling mean and std deviation

optional arguments:
  -w N_WINDOW, --window N_WINDOW
                        Window length (default: 14)


Examples:
- Calculate the rolling mean and standard deviation for the economy data with the default window length: economy/qa/rolling
- Calculate the rolling mean and standard deviation for the economy data with a custom window length of 30: economy/qa/rolling -w 30