0034-7744
0034-7744
S0034-77442020000401311
10.15517/rbt.v68i4.42007
Spain
Costa Rica
00
12
2020
00
12
2020
68
4
1311
1321
[
2001
22
4
4
283-305
]
[
2012
60
2
2
173-86
]
[
2018
66
^s1
^s1
1
S280-308
]
[
2012
60
^s2
^s2
2
121-32
]
[
2017
45
2
2
431-42
]
[
2015
20
4
4
19
]
[
2019
169
165-70
]
[
1974
36
2
2
126-7
]
[
2005
]
[
2017
2017
652
652
129-79
]
[
2001
213
67-77
]
[
2005
7
2
2
19-41
]
[
2006
60
4
4
287-305
]
[
2014
281
1774
1774
1-10
]
[
2005
53
3-4
3-4
523-36
]
[
2001
61
4
4
353-69
]
[
1995
I
]
[
2019
396
74-85
]
[
2012
60
321-38
]
[
2020
]
[
2014
49
3
3
477-91
]
[
2015
9
58-65
]
[
1998
]
[
1973
54
2
2
427-32
]
[
2003
8
151-61
]
[
1972
47
2
2
240
]
[
2019
17
7
7
407-13
]
[
2013
]
[
2013
23
230
230
16-26
]
[
2019
]
[
2011
59
2
2
619-33
]
[
R Core-Team
2018
]
[
2014
62
4
4
63-84
]
[
2015
10
10
10
]
[
StatSoft-Inc.
2011
]
[
2019
25
1
1
9-20
]
[
2016
12
4
4
389-401
]
[
2014
62
4
4
119-37
]
[
1960
30
4
4
407
]
[
1998
]
[
2019
14
6
6
]