Variable

ADF

p

Result

Variable

ADF

p

Result

R X 1

−1.2267

0.87

unstable

R X 7

−2.3238

0.45

stable

d R X 1

−3.5881

0.05

stable

d R X 7

−4.5948

0.01

stable

R X 2

−1.8021

0.64

unstable

R X 8

−2.3315

0.45

stable

d R X 2

−3.3637

0.08

stable

d R X 8

−4.4529

0.01

stable

R X 3

−1.9292

0.60

unstable

R X 9

−2.2236

0.49

stable

d R X 3

−3.069

0.17

stable

d R X 9

−4.7546

0.01

stable

R X 4

−2.5593

0.36

stable

X 10

−2.0480

0.55

unstable

d R X 4

−4.2060

0.02

stable

d X 10

−3.6179

0.04

stable

R X 5

−2.5862

0.35

stable

X 11

−1.8929

0.61

stable

d R X 5

−4.3983

0.01

stable

d X 11

−1.4557

0.78

unstable

R X 6

−2.8101

0.26

stable

R X 12

−0.0331

0.99

unstable

d R X 6

−4.8942

0.01

stable

d R X 12

−3.6340

0.04

stable