Table 1.
Quantity | Functional notation | Life-table notation | |
---|---|---|---|
Age | x | x | |
Number of survivors | n(x) | lx | |
Total population size | N∞ | no | lo |
Number dying in one year | −ΔN | Δn | dx |
Probability of death | R | r | qx |
Quantity | Functional notation | Life-table notation | |
---|---|---|---|
Age | x | x | |
Number of survivors | n(x) | lx | |
Total population size | N∞ | no | lo |
Number dying in one year | −ΔN | Δn | dx |
Probability of death | R | r | qx |