0187-6236 0187-6236 S0187-62362021000200171 10.20937/atm.52763 Mexico Mexico Mexico 00 00 2021 00 00 2021 34 2 171 187

2010 10 149-58 2018 134 165-76 2009 10 1231-42 2009 9th 509-29 1987 26 118-32 2014 7 1247-50 2016 23 683-90 2002 17 1236-56 2015 8 3985-4000 2006 23 190-8 2019 226 32-48 1993 2015 40 409-22 2011 63 15-38 2002 14 701-12 1998 2010 385 51-64 2016 8 599 2015 163 132-45 1948 5 165-6 2007 50 885-900 2003 4 782-97 1991 78 691-2 2005 46 323-51 2012 26 687-704 2007 11 1361-72 2013 2 223-7 2005 6 40-6 1994 33 682-93 2005 41 343-60 2011 The R Core Team 2019 2013 499 167-76 2016 3 161-71 2019 1-29