(a)
(b)
(c)
(d)
Figure 7:
DFA of the series with correlated trend
A
e
p
X
(
i
)
/
x
¯
,
where
p
=
5
, (a)
A
=
0.01
, (b)
A
=
1
, (c)
A
=
100
, (d)
A
=
10000
.
