variable

ADF value

5% critical value

conclusion

variable

ADF value

5% critical value

conclusion

H₁

3.535902

3.933364

non-stationary

D (H₁)

4.493609

3.403313

smooth

PG₁

1.481057

3.175352

non-stationary

D (PG₁)

4.573739

3.320969

smooth

SPG₁

0.690827

1.977738

non-stationary

D (SPG₁)

2.140726

1.995865

smooth

H₂

3.267281

4.008157

non-stationary

D (H₂)

5.038923

3.259808

smooth

PG₂

3.505253

4.008157

non-stationary

D (PG₂)

5.889703

3.259808

smooth

SPG₂

1.691789

3.212696

non-stationary

D (SPG₂)

4.613666

1.988198

smooth

TS

1.419839

3.875302

non-stationary

D (TS)

2.826088

1.977738

smooth