1729-519X

1729-519X

S1729-519X2020000400013

Cuba

00 00 2020

00 00 2020

19

1

2020 12 3 3

165

2

2020

3

2016

4

2020

5

2020

6

2020

7

2020

8

2020 395

1225-8

9

2020 17 8 8

10

2020

11

2020

12

2015

117-28

13

2017 19 6 6

14

1979 47 1 1

1-12

15

2018

16

2017 70

1099-107

17

1989 29 2 2

93-6

18

1996 64 1 1

77-89

19

1999 277 2 2

R441-54

20

R: The R Project for Statistical Computing 2018

21

1997 77 2 2

329-42

22

2016 26 1 1

98-109

23

1998 3ra

24

1988 16 2 2

733-40