ui | R Documentation |
Extracts the (t-i)th component from a vector.
ui(x, t, i)
x |
A vector. |
t |
The present "time". |
i |
The lag. Can be a vector. |
Returns the (t-i)th element of the vector. If i=0, returns 1.
This is a utility function for mixAR.
Davide Ravagli
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