Brody growth model
Computes the Brody growth model and its inverse
y(t) = α - (α - w_0) * exp(- k * t)
brody(t, alpha, w0, k) brody.inverse(x, alpha, w0, k)
t |
time |
x |
size |
alpha |
upper asymptote |
w0 |
the value at t = 0 |
k |
growth rate |
M. M. Kaps, W. O. W. Herring, and W. R. W. Lamberson, "Genetic and environmental parameters for traits derived from the Brody growth curve and their relationships with weaning weight in Angus cattle.," Journal of Animal Science, vol. 78, no. 6, pp. 1436-1442, May 2000.
growth <- brody(0:10, 10, 5, 0.3) # Calculate inverse function time <- brody.inverse(growth, 10, 5, 0.3)
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