Table 10 Non-parametric tests results.

From: A machine learning approach for thermodynamic modeling of the statically measured solubility of nilotinib hydrochloride monohydrate (anti-cancer drug) in supercritical CO2

Test (RF)

Adj t-stat

Test critical value

Prob

R2

Adj R2

1% level

5% level

10% level

ADF

− 8.590281

− 3.498439

− 2.891234

− 2.582678

0

0.9351

0.9293

Philips–Perron

− 45.54484

− 3.493747

− 2.8892

− 2.581596

0.0001

0.8147

0.813

Test (DTs)

Adj t-stat

Test critical value

Prob

R2

Adj R2

1% level

5% level

10% level

ADF

− 8.702216

− 3.498439

− 2.891234

− 2.582678

0

0.9379

0.9323

Philips–Perron

− 47.32203

− 3.493747

− 2.8892

− 2.581596

0.0001

0.8165

0.8148

Test (MLP)

Adj t-stat

Test critical value

Prob

R2

Adj R2

1% level

5% level

10% level

ADF

− 8.588913

− 3.498439

− 2.891234

− 2.582678

0

0.937

0.9314

Philips–Perron

− 49.37702

− 3.493747

− 2.8892

− 2.581596

0.0001

0.8215

0.8198

Test (DNN)

Adj t-stat

Test critical value

Prob

R2

Adj R2

1% level

5% level

10% level

ADF

− 8.539113

− 3.498439

− 2.891234

− 2.582678

0

0.9336

0.9277

Philips–Perron

− 45.26102

− 3.493747

− 2.8892

− 2.581596

0.0001

0.8163

0.8145