Table 2. General forms of projection equations applied to data.
Equation name
Equation Forms
Chapman-Richards
H
=
α
(1−exp(−
β
·
age
)
γ
)
Schumacher
H
=
α
·
age
γ
·exp(γ/
age
)
Gompertz
H
=
α
·exp(−
β
·exp(−
γ
·
age
))