2007-4018 2007-4018 S2007-40182019000100017 10.5154/r.rchscfa.2018.03.026 México Mexico 00 04 2019 00 04 2019 25 1 17 29

1970 2005 78 3 3 209-16 2006 223 1-3 1-3 24-34 2000 143 1 1 111-25 2002 165 1-3 1-3 305-15 2000 81 6 6 1477-83 2013 6 113-22 2009 82 1 1 1-16 2010 83 5 5 461-8 2004 201 145-60 2015 36 3 3 409-21 1982 1.a 2001 142 1-3 1-3 79-87 2009 2013 1999 1981 2015 1978 46 1 1 33-50 1985 61 1 1 23-7 2009 29 2 2 169-76 2008 14 1 1 5-13 1995 1 2 2 23-36 2017 10 6 6 909-15 2011 35 2839-51 2018 24 1 1 73-90 R Core Team, R. C. 2014 1933 46 7 7 627-38 2013 47 75-89 1996 87 1-3 1-3 13-25 2014 30 3 3 259-66 2000 34 4 4 497-507 2008 255 7 7 2542-54 1946 44 10 10 758-61 1963 14 107-29 2005 35 6 6 1507-14