Let (e,) be a zero-mean, unit-variance white noise process. Consider a process that begins at time t = 0 and is defined
Posted: Mon Jul 11, 2022 11:22 am
Let (e,) be a zero-mean, unit-variance white noise process. Consider a process that begins at time t = 0 and is defined recursively as follows. Let Yo= cieo and Y₁ = c₂Yo + e₁. Then let Y₁ = 9₁Y₁-1 +92Y1-2 + e, for 1>1 as in an AR (2) process. Show that the process mean is (5 marks) zero.