rownames,id,age,death,gender
1,1,50,1,1
2,1,63,0,2
3,2,49,0,1
4,2,52,1,2
5,3,56,0,1
6,3,70,0,2
7,4,68,1,1
8,4,75,1,2
9,5,74,0,1
10,5,72,1,2
11,6,69,0,1
12,6,69,0,2
13,7,70,0,1
14,7,70,0,2
15,8,67,1,1
16,8,70,0,2
17,9,74,0,1
18,9,74,0,2
19,10,81,0,1
20,10,81,0,2
21,11,61,1,1
22,11,58,1,2
23,12,75,0,1
24,12,73,0,2