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Compute partial autocorrelations from autocorrelations
acf2pacf(rho)
A vector of partial autocorrelation values with same length as rho.
rho
vector of autocorrelation values (excluding 1).
rho <- ARMAacf(ar = -0.9, ma = 0.8, lag.max = 50)[-1] alpha <- acf2pacf(rho)
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