when you use arima, how many people are included when you use arima do you include multiple individuals how to do arima how do i use arima can i have several cities in arima how long can i use arima can you have a sample of household data for each timepoint how to use arima data can arima be used for data sets can i have multiple individuals for each time point how to do ARIMA how to use marima for city when to use arima dataset does arima use population data how does arima work how to do arima can i add more than one person on arima can arima include multiple cities? how many cities can you model armama can ARIMA use multiple cities in each time point?