Skip to main content
. 2013 Aug 8;11:18. doi: 10.1186/1478-7547-11-18

Table 4.

Age weights for discrete time

C 0.176116
β
0.04
Sum of Age Weights
100.000
Age (birth and future birthdays):
Age weight function:
a(x)
a(X) = C(x + 0.5)e-β(X+0.5)
0
0.086
1
0.249
2
0.398
3
0.536
4
0.662
5
0.777
6
0.883
7
0.979
8
1.066
9
1.144
10
1.215
11
1.279
12
1.335
13
1.386
14
1.430
15
1.468
16
1.502
17
1.530
18
1.555
19
1.574
20
1.590
21
1.602
22
1.611
23
1.617
24
1.619
25
1.619
26
1.617
27
1.612
28
1.605
29
1.596
30
1.586
31
1.574
32
1.560
33
1.545
34
1.529
35
1.511
36
1.493
37
1.474
38
1.454
39
1.433
40
1.412
41
1.390
42
1.367
43
1.345
44
1.322
45
1.298
46
1.275
47
1.251
48
1.227
49
1.204
50
1.180
51
1.156
52
1.132
53
1.109
54
1.085
55
1.062
56
1.038
57
1.015
58
0.992
59
0.970
60
0.947
61
0.925
62
0.904
63
0.882
64
0.861
65
0.840
66
0.819
67
0.799
68
0.779
69
0.759
70
0.740
71
0.721
72
0.703
73
0.684
74
0.666
75
0.649
76
0.632
77
0.615
78
0.598
79
0.582
80
0.566
81
0.551
82
0.536
83
0.521
84
0.507
85
0.493
86
0.479
87
0.465
88
0.452
89
0.439
90
0.427
91
0.415
92
0.403
93
0.391
94
0.380
95
0.369
96
0.358
97
0.348
98
0.337
99 0.327