anchor | R Documentation |
anchors a deterministic age-depth model (adm object) at a tie point that is associated with uncertainty.
anchor(x, index = "last", t_anchor = NULL, n = 1000L)
x |
age-depth model |
index |
"last" or "first", or an integer (marked by L, e.g. 2L), specifying at which tie point the age-depth model will be anchored. If i is passed as integer, the i-th tie point is anchored. |
t_anchor |
time at which the adm is anchored. must be a function that takes no arguments and returns the timing of the tie point. see example or vignettes for details |
n |
integer, number of samples drawn from the tie point |
a collection of age-depth models (a multiadm object)
t_anchor = function() rnorm(1) # normally distributed uncertainty
x = tp_to_adm(t = c(1,2, 3), h = c(2,3, 4)) # simple age-depth model
m = anchor(x, index = "last", t_anchor = t_anchor, n = 100) # anchor age-depth model
plot(m)
m = anchor(x, index = 2L, t_anchor = t_anchor, n = 100)
plot(m)
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