0120-1751
0120-1751
S0120-17512019000100081
10.15446/rce.v42n1.69334
Colombia
Colombia
00
06
2019
00
06
2019
42
1
81
99
[
1993
88
422
422
669-79
]
[
1995
3-41
]
[
1998
7
4
4
434-55
]
[
2014
]
[
2014
84
3
3
513-25
]
[
2001
]
[
2004
46
4
4
430-40
]
[
2005
57
168-169
168-169
93-105
]
[
1987
1-39
]
[
2008
10
]
[
2013
]
[
2013
61
137-47
]
[
2010
11
3
3
397-412
]
[
2008
95
2
2
325-33
]
[
1992
4
169-93
]
[
1981
24
4
4
233-45
]
[
1989
]
[
2006
6
1
1
7-11
]
[
R Core Team
2017
]
[
1992
7
493-7
]
[
2003
19
12
12
1572-4
]
[
2006
R news
6
6
12-7
]
[
2006
]