Description Usage Arguments Value
Here, Sig[j,k] = 0
if |j-k|>K
and Sig[j,k] = 1 - |j-k| / K
otherwise.
1 | ma(p, K)
|
p |
dimension of covariance matrix |
K |
moving-average bandwidth |
Returns the covariance matrix, Sig
, and the symmetric
square root, A
, of this matrix.
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