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a_xp_y
2002 Oct 25
0
Age-period-cohort model
Dear R-list,
I think it's really a newbie question but ...
I try to model age-period-cohort models with polynoms in each effect. I have
for each level of age and period some cases -k- and persons-years -py-.
Models are A_xP_y:
log(k_age,period/py_age,period)=f(polynom(x),age)+f(polynom(y),period). For
exemple I try to adjust an A2P3 :