1. COVID_19 for Australia is provided to you from 31-12-2019 until 14-06-2020. Find the best time series model for the total number of infected and total number of deaths. Discuss your results and explain the prediction capability of your model. Explain if it is better to develop several models for different part of the pandemic in Australia. Can you consider explanatory variables such as containment policies employed by the Australian government in your models?

dateRep,day,month,year,cases,deaths,countriesAndTerritories,geoId,countryterritoryCode,popData2018,continentExp 14/06/2020,14,6,2020,18,0,Australia,AU,AUS,24992346,Oceania 13/06/2020,13,6,2020,12,0,Australia,AU,AUS,24992347,Oceania 12/06/2020,12,6,2020,9,0,Australia,AU,AUS,24992348,Oceania 11/06/2020,11,6,2020,9,0,Australia,AU,AUS,24992349,Oceania 10/06/2020,10,6,2020,7,0,Australia,AU,AUS,24992350,Oceania 9/06/2020,9,6,2020,2,0,Australia,AU,AUS,24992351,Oceania 8/06/2020,8,6,2020,5,0,Australia,AU,AUS,24992352,Oceania 7/06/2020,7,6,2020,6,0,Australia,AU,AUS,24992353,Oceania 6/06/2020,6,6,2020,2,0,Australia,AU,AUS,24992354,Oceania 5/06/2020,5,6,2020,11,0,Australia,AU,AUS,24992355,Oceania 4/06/2020,4,6,2020,10,0,Australia,AU,AUS,24992356,Oceania 3/06/2020,3,6,2020,8,0,Australia,AU,AUS,24992357,Oceania 2/06/2020,2,6,2020,17,0,Australia,AU,AUS,24992358,Oceania 1/06/2020,1,6,2020,8,0,Australia,AU,AUS,24992359,Oceania 31/05/2020,31,5,2020,13,0,Australia,AU,AUS,24992360,Oceania 30/05/2020,30,5,2020,10,0,Australia,AU,AUS,24992361,Oceania 29/05/2020,29,5,2020,24,0,Australia,AU,AUS,24992362,Oceania 28/05/2020,28,5,2020,11,0,Australia,AU,AUS,24992363,Oceania 27/05/2020,27,5,2020,11,0,Australia,AU,AUS,24992364,Oceania 26/05/2020,26,5,2020,15,0,Australia,AU,AUS,24992365,Oceania 25/05/2020,25,5,2020,12,0,Australia,AU,AUS,24992366,Oceania 24/05/2020,24,5,2020,4,0,Australia,AU,AUS,24992367,Oceania 23/05/2020,23,5,2020,12,0,Australia,AU,AUS,24992368,Oceania 22/05/2020,22,5,2020,15,0,Australia,AU,AUS,24992369,Oceania 21/05/2020,21,5,2020,6,0,Australia,AU,AUS,24992369,Oceania 20/05/2020,20,5,2020,13,0,Australia,AU,AUS,24992369,Oceania 19/05/2020,19,5,2020,9,0,Australia,AU,AUS,24992369,Oceania 18/05/2020,18,5,2020,11,0,Australia,AU,AUS,24992369,Oceania 17/05/2020,17,5,2020,7,0,Australia,AU,AUS,24992369,Oceania 16/05/2020,16,5,2020,20,0,Australia,AU,AUS,24992369,Oceania 15/05/2020,15,5,2020,28,0,Australia,AU,AUS,24992369,Oceania 14/05/2020,14,5,2020,13,0,Australia,AU,AUS,24992369,Oceania 13/05/2020,13,5,2020,13,0,Australia,AU,AUS,24992369,Oceania 12/05/2020,12,5,2020,16,0,Australia,AU,AUS,24992369,Oceania 11/05/2020,11,5,2020,8,0,Australia,AU,AUS,24992369,Oceania 10/05/2020,10,5,2020,14,0,Australia,AU,AUS,24992369,Oceania 9/05/2020,0,5,2020,15,0,Australia,AU,AUS,24992369,Oceania 8/05/2020,8,5,2020,17,0,Australia,AU,AUS,24992369,Oceania 7/05/2020,7,5,2020,20,1,Australia,AU,AUS,24992369,Oceania 6/05/2020,6,5,2020,26,1,Australia,AU,AUS,24992369,Oceania 5/05/2020,5,5,2020,26,0,Australia,AU,AUS,24992369,Oceania 4/05/2020,4,5,2020,24,2,Australia,AU,AUS,24992369,Oceania 3/05/2020,3,5,2020,18,0,Australia,AU,AUS,24992369,Oceania 2/05/2020,2,5,2020,16,1,Australia,AU,AUS,24992369,Oceania 1/05/2020,1,5,2020,12,2,Australia,AU,AUS,24992369,Oceania 30/04/2020,30,4,2020,8,2,Australia,AU,AUS,24992369,Oceania 29/04/2020,29,4,2020,14,4,Australia,AU,AUS,24992369,Oceania 28/04/2020,28,4,2020,11,1,Australia,AU,AUS,24992369,Oceania 27/04/2020,27,4,2020,7,2,Australia,AU,AUS,24992369,Oceania 26/04/2020,26,4,2020,19,2,Australia,AU,AUS,24992369,Oceania 25/04/2020,25,4,2020,18,4,Australia,AU,AUS,24992369,Oceania 24/04/2020,24,4,2020,17,1,Australia,AU,AUS,24992369,Oceania 23/04/2020,23,4,2020,8,0,Australia,AU,AUS,24992369,Oceania 22/04/2020,22,4,2020,7,3,Australia,AU,AUS,24992369,Oceania 21/04/2020,21,4,2020,22,1,Australia,AU,AUS,24992369,Oceania 20/04/2020,20,4,2020,13,1,Australia,AU,AUS,24992369,Oceania 19/04/2020,19,4,2020,42,2,Australia,AU,AUS,24992369,Oceania 18/04/2020,18,4,2020,42,4,Australia,AU,AUS,24992369,Oceania 17/04/2020,17,4,2020,47,0,Australia,AU,AUS,24992369,Oceania 16/04/2020,16,4,2020,30,2,Australia,AU,AUS,24992369,Oceania 15/04/2020,15,4,2020,34,0,Australia,AU,AUS,24992369,Oceania 14/04/2020,14,4,2020,49,0,Australia,AU,AUS,24992369,Oceania 13/04/2020,13,4,2020,41,4,Australia,AU,AUS,24992369,Oceania 12/04/2020,12,4,2020,22,3,Australia,AU,AUS,24992369,Oceania 11/04/2020,11,4,2020,88,2,Australia,AU,AUS,24992369,Oceania 10/04/2020,10,4,2020,106,2,Australia,AU,AUS,24992369,Oceania 9/04/2020,9,4,2020,85,5,Australia,AU,AUS,24992369,Oceania 8/04/2020,8,4,2020,105,3,Australia,AU,AUS,24992369,Oceania 7/04/2020,7,4,2020,119,6,Australia,AU,AUS,24992369,Oceania 6/04/2020,6,4,2020,107,2,Australia,AU,AUS,24992369,Oceania 5/04/2020,5,4,2020,141,4,Australia,AU,AUS,24992369,Oceania 4/04/2020,4,4,2020,194,7,Australia,AU,AUS,24992369,Oceania 3/04/2020,3,4,2020,222,2,Australia,AU,AUS,24992369,Oceania 2/04/2020,2,4,2020,272,1,Australia,AU,AUS,24992369,Oceania 1/04/2020,1,4,2020,303,1,Australia,AU,AUS,24992369,Oceania 31/03/2020,31,3,2020,311,3,Australia,AU,AUS,24992369,Oceania 30/03/2020,30,3,2020,266,2,Australia,AU,AUS,24992369,Oceania 29/03/2020,29,3,2020,344,1,Australia,AU,AUS,24992369,Oceania 28/03/2020,28,3,2020,460,0,Australia,AU,AUS,24992369,Oceania 27/03/2020,27,3,2020,370,2,Australia,AU,AUS,24992369,Oceania 26/03/2020,26,3,2020,378,3,Australia,AU,AUS,24992369,Oceania 25/03/2020,25,3,2020,286,1,Australia,AU,AUS,24992369,Oceania 24/03/2020,24,3,2020,430,0,Australia,AU,AUS,24992369,Oceania 23/03/2020,23,3,2020,362,0,Australia,AU,AUS,24992369,Oceania 22/03/2020,22,3,2020,281,0,Australia,AU,AUS,24992369,Oceania 21/03/2020,21,3,2020,197,1,Australia,AU,AUS,24992369,Oceania 20/03/2020,20,3,2020,167,0,Australia,AU,AUS,24992369,Oceania 19/03/2020,19,3,2020,144,1,Australia,AU,AUS,24992369,Oceania 18/03/2020,18,3,2020,113,0,Australia,AU,AUS,24992369,Oceania 17/03/2020,17,3,2020,85,0,Australia,AU,AUS,24992369,Oceania 16/03/2020,16,3,2020,78,2,Australia,AU,AUS,24992369,Oceania 15/03/2020,15,3,2020,40,0,Australia,AU,AUS,24992369,Oceania 14/03/2020,14,3,2020,51,0,Australia,AU,AUS,24992369,Oceania 13/03/2020,13,3,2020,42,0,Australia,AU,AUS,24992369,Oceania 12/03/2020,12,3,2020,29,0,Australia,AU,AUS,24992369,Oceania 11/03/2020,11,3,2020,15,0,Australia,AU,AUS,24992369,Oceania 10/03/2020,10,3,2020,20,0,Australia,AU,AUS,24992369,Oceania 9/03/2020,9,3,2020,12,0,Australia,AU,AUS,24992369,Oceania 8/03/2020,8,3,2020,7,1,Australia,AU,AUS,24992369,Oceania 7/03/2020,7,3,2020,10,0,Australia,AU,AUS,24992369,Oceania 6/03/2020,6,3,2020,6,0,Australia,AU,AUS,24992369,Oceania 5/03/2020,5,3,2020,5,1,Australia,AU,AUS,24992369,Oceania 4/03/2020,4,3,2020,11,0,Australia,AU,AUS,24992369,Oceania 3/03/2020,3,3,2020,8,0,Australia,AU,AUS,24992369,Oceania 2/03/2020,2,3,2020,4,0,Australia,AU,AUS,24992369,Oceania 1/03/2020,1,3,2020,3,1,Australia,AU,AUS,24992369,Oceania 29/02/2020,29,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 28/02/2020,28,2,2020,2,0,Australia,AU,AUS,24992369,Oceania 27/02/2020,27,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 26/02/2020,26,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 25/02/2020,25,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 24/02/2020,24,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 23/02/2020,23,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 22/02/2020,22,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 21/02/2020,21,2,2020,4,0,Australia,AU,AUS,24992369,Oceania 20/02/2020,20,2,2020,2,0,Australia,AU,AUS,24992369,Oceania 19/02/2020,19,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 18/02/2020,18,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 17/02/2020,17,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 16/02/2020,16,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 15/02/2020,15,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 14/02/2020,14,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 13/02/2020,13,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 12/02/2020,12,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 11/02/2020,11,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 10/02/2020,10,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 9/02/2020,9,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 8/02/2020,8,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 7/02/2020,7,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 6/02/2020,6,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 5/02/2020,5,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 4/02/2020,4,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 3/02/2020,3,2,2020,0,0,Australia,AU,AUS,24992369,Oceania 2/02/2020,2,2,2020,2,0,Australia,AU,AUS,24992369,Oceania 1/02/2020,1,2,2020,1,0,Australia,AU,AUS,24992369,Oceania 31/01/2020,31,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 30/01/2020,30,1,2020,2,0,Australia,AU,AUS,24992369,Oceania 29/01/2020,29,1,2020,2,0,Australia,AU,AUS,24992369,Oceania 28/01/2020,28,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 27/01/2020,27,1,2020,1,0,Australia,AU,AUS,24992369,Oceania 26/01/2020,26,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 25/01/2020,25,1,2020,4,0,Australia,AU,AUS,24992369,Oceania 24/01/2020,24,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 23/01/2020,23,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 22/01/2020,22,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 21/01/2020,21,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 20/01/2020,20,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 19/01/2020,19,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 18/01/2020,18,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 17/01/2020,17,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 16/01/2020,16,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 15/01/2020,15,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 14/01/2020,14,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 13/01/2020,13,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 12/01/2020,12,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 11/01/2020,11,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 10/01/2020,10,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 9/01/2020,9,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 8/01/2020,8,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 7/01/2020,7,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 6/01/2020,6,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 5/01/2020,5,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 4/01/2020,4,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 3/01/2020,3,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 2/01/2020,2,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 1/01/2020,1,1,2020,0,0,Australia,AU,AUS,24992369,Oceania 31/12/2019,31,12,2019,0,0,Australia,AU,AUS,24992369,Oceania