Description Usage Arguments Value See Also Examples
Inverse Fourier transform of a given Frequency Domain Operator.
1 | invfourier(R, lags = 0:0)
|
R |
the operator to invert |
lags |
lags to compute |
Time domain operator serie object
1 2 3 4 5 6 7 8 | n = 100
X = rar(n)
Y = rar(n)
#estimate regressors in model $Y_t = \sum_{i\in Z} A_i X_{t-i}$
SYX = spectral.density(Y, X)
SXX = spectral.density(X)
R = freqdom.ratio(SYX,SXX, n)
A = invfourier(R)
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