- * 1 0 0 1 8 : 7 1 ! 1 # 0 0 ? • " @ • is to analyze the autocorrelation function between lags. " 7 1 1 1 7 1 - 1 - 1 7 0 7 1 1 0 0 ݐ ଶ 1 ܴ 1 0 0 3 ଶ ܴ 1 T 0 1