emphasis | R Documentation |
Main function of emphasis, that uses an E-M approach to fit a diversification model to a phylogenetic tree.
emphasis(
phylo,
brts = NULL,
model,
lower_bound = numeric(0),
upper_bound = numeric(0),
max_lambda = 500,
xtol = 0.001,
em_tol = 0.25,
sample_size_tol = 0.005,
verbose = TRUE,
return_trees = FALSE,
max_missing = 10000,
burnin_sample_size = 200,
pilot_sample_size = seq(100, 1000, by = 100),
burnin_iterations = 20,
num_threads = 0,
conditional = NULL
)
brts |
vector of branching times of the tree for which the model has to be fitted |
model |
model to be used |
lower_bound |
vector of the lower limit of parameter values used by the model. Set to -Infinity if left empty. |
upper_bound |
vector of the upper limit of parameter values used by the model. Set to +Infinity if left empty |
max_lambda |
maximum speciation rate, default is 500. Should not be set too high to avoid extremely long run times |
xtol |
tolerance of step size in the M step |
em_tol |
tolerance of step size in cycling through EM |
sample_size_tol |
tolerance in determining the sample size |
verbose |
if TRUE, provides textual output of intermediate steps |
return_trees |
boolean, if TRUE the simulated trees are returned as well |
max_missing |
maximum number of tips a tree can be augmented with. |
burnin_sample_size |
sample size during burn-in |
pilot_sample_size |
vector of sample sizes used to determine the true sampling size |
burnin_iterations |
number of iterations of the EM algorithm to discard as burn-in |
num_threads |
number of threads to be used. If set to 0, the maximum number of threads available is chosen. |
conditional |
a function that takes a parameter set as argument and returns conditional probability. |
soc |
number of species at the root (1) or crown (2). Default is 2. |
a list with two components: 1) pars
contains the average parameter
estimate and 2) MCEM
matrix of parameter estimates and likelihoods.
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