Slide 112
Slide 112 text
Some nota on
Let yt,x be the observed data in period t at age x,
t = 1, . . . , n.
yt,x
= ft
(x) + σt
(x)εt,x
ft
(x) = µ(x) +
K
k=1
βt,k
φk
(x) + et
(x)
Biggish me series data Forecas ng func onal me series 43
Es mate ft
(x) using penalized regression splines.
Es mate µ(x) as mean ft
(x) across years.
Es mate βt,k and φk
(x) using func onal principal
components.