View source: R/iclogcondist_functions.R
initial_values | R Documentation |
This function obtains initial values for the maximum likelihood estimation under log-concavity with interval-censored data based on the unconstrained maximum likelihood estimate (MLE) or its least concave majorant (LCM). Alternatively, the user can provide a numeric vector of initial values.
initial_values(X, initial = "LCM")
X |
A matrix or data frame of interval-censored data, where each row contains the lower and upper bounds of the interval for each observation. |
initial |
A character string specifying the method for generating initial values.
The default is |
A list containing:
The initial values of the phi
parameter based on the specified method.
Initial values based on the unconstrained MLE.
Initial values based on the least concave majorant.
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