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glossary * V *
| Demographical and statistical terms | Symbols |
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variance (empirical) represents the variance computed on observed female age-specific fertility rates. |
DS |
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variance (theoretical) represents the variance computed by the fertility function. |
VA |
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value of maximum fertility rate at age FXM is the maximum of observed or theoretical values of age-specific fertility rates |
F(FXM) |
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vital index is the ratio of the number of births to the number of deaths during a period. |