A
Amit_Bansal
Member
A process will be weakly stationary if:
•E(Xt) is constant for all t, and
•cov(Xt, Xt+k) depends only on the lag k.
What does 2nd condition imply? What does it mean cov depends on?
Please help me grabbing this point, if possible, with example.
Thanks.
•E(Xt) is constant for all t, and
•cov(Xt, Xt+k) depends only on the lag k.
What does 2nd condition imply? What does it mean cov depends on?
Please help me grabbing this point, if possible, with example.
Thanks.