我很难找到我在人口统计软件包中使用lca命令安装的lee carter的BIC和AIC值, 这就是我对模型的拟合:
UKLcaM<-lca(data=UK, series="male", years=1950:2011, max.age=100,
adjust = "dxt", chooseperiod=FALSE, scale = TRUE,
restype = "logrates", interpolate = FALSE)
有人可以帮忙吗? BIC()命令确实给出以下错误
> BIC(UKLcaM)
Error in UseMethod("logLik") : no applicable method for 'logLik' applied to an object of class "lca"