0034-7744 0034-7744 S0034-77442017000301152 10.15517/rbt.v65i3.29435 BR 00 09 2017 00 09 2017 65 3 1152 1160

2002 105 271-85 1988 77 187-93 2009 2ª Edição 2015 44 54-63 2015 118 3 3 194-200 1982 2001 29 95-103 1995 12 69-77 1974 236-43 2014 42 303-10 1999 87 295-302 1990 2008 288 1-23 2005 266 105-10 2015 2005 30 194-200 2007 2012 2007 1526 1-36 1999 34 76-87 1833 191-209 1897 19 52-106 2013 41 85-7 2009 38 1618-25 2003 R core development team 2016 2005 5 1a 1a 45-52 2003 31 297-304 2001 122 67-82 1995 103 133-9 1976 24 603-8 2002 14 13-20 2010 47 5-14 2010 38 433-40 2001 9 101-7 2005 33 857-61 1987 32 275-95 1993 2014 2 44