0
5
10
15
20
25
30
35
0
0.5
1
0
5
10
15
20
25
30
35
0
0.5
1
ACF
±1.96/sqrt(N)
PACF
±1.96/sqrt(N)
ACF and PACF of Combined Differenced Series z_t
Lag
Lag
ACF
PACF
ACF of z_t
PACF of z_t
plotly-logomark