The partial autocorrelation coefficient of the autocorrelation coefficient is equal KKK 3, which represents a measure of the correlation coefficient stationary TTT TTT33 sequence of coefficients as for the intermediate PPP333 we can ignore.
This correlation coefficient is a self-correlation coefficient of KKK equals 3, which represents the coefficient of measuring the smooth sequence TTT and TTT33, which we can ignore as far as the coefficient of the middle PPP333.
This partial autocorrelation coefficient is the autocorrelation coefficient when KKK is equal to 3. It represents the correlation coefficient of TTT and ttt33, and we can ignore the coefficient of ppp333 in the middle.