sraStartingvalues {sra} | R Documentation |
Provides reasonable starting values for sra model fit (internal function)
Description
These functions aim at providing educated starting values for the parameters to estimate through sra models.
Usage
sraStartingvalues(parameter, sradata, rand=0)
Arguments
parameter |
A character string corresponding to the name of a parameter to consider, e.g. |
sradata |
A data object generated by |
rand |
Amount of randomness to add to the parameter value. Setting a value different from 0 leads to a different answer for each function call, which can be useful when trying different vectors of staring values to solve problematic convergence cases. In general, values > 0.2 provide starting values that are too extreme to be useful. |
Note
The end user has no particular reason to call these functions directly.
See Also
sraAutoreg
, sraCstvar
, and other mechanistic models.