plot_coh_pars:
Miscellaneous plotting functions for lca.rh type regression objects.
Plot of the cohort effects of the generalised Lee-Carter model
Description
This function plots the age- and time-specific patterns of the cohort effects (only) obtained from the fitting of a generalised Lee-Carter model.
Usage
plot_coh_pars(lca.obj)
Arguments
lca.obj
an object of class lca.rh (containing a generalised LC model with a cohort effect)
Value
A plot with two graphical regions showing the age- and time-specific cohort parameters (i.e. $beta_x^{(0)}$ and $iota_t$).
References
Renshaw, A. E. and Haberman, S. (2006), ``A cohort-based extension to the Lee-Carter model for mortality reduction factors", Insurance: Mathematics and Economics, 38, 556-570.
R. D. Lee and L. Carter (1992) ``Modeling and forecasting U.S. mortality", Journal of the American Statistical Association, 87(419), 659-671.