The migraR package provides functions for estimate the parameters for Rogers and Castro Models:
rc.13 like a package
The migraR functions were concived for estimate via non-linear optimization, the parameters of the Rogers and Castro models wit seven, eleven and thirteen parameters. Besides, the package gives the user the posibility to investigate wich curve fits better using the method provided in the IUSSP manual for the estimation of Rogers and Castro multi exponential model migration schedule. (http://demographicestimation.iussp.org/content/multi-exponential-model-migration-schedule).
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