Table 6 Comparison with previously published models.

From: Construction of reliable QSPR models for predicting the impact sensitivity of nitroenergetic compounds using correlation weights of the fragments of molecular structures

No.

Total number of components

Modeling techniques

Training set

Prediction set

Ref.

R2

Q2LOO

RMSE

S

R2

Q2

RMS

S

1

186

MLR

0.865

0.844

0.159

 

0.829

0.809

0.182

 

62

PLS

0.865

0.846

0.159

 

0.829

0.809

0.182

 

ANN

0.900

 

0.137

 

0.844

0.827

0.175

 

2

156

MLR

0.771

0.593

0.212

0.212

0.715

0.716

0.251

0.251

3

PLS

0.766

0.674

0.214

0.214

0.718

0.718

0.250

0.250

BPNN

0.816

 

0.192

0.192

0.740

0.738

0.247

0.247

3

204

ANN

0.795

 

0.203

0.203

0.756

0.703

0.257

0.257

58

4

156

MLR

0.7684

  

0.194

0.7222

  

0.177

11

ANN

0.8481

  

0.168

0.8658

  

0.130

5

227

MLR

0.8141

   

0.6912

  

0.2854

63

6

161

MLR

0.750

0.793

0.19

 

0.759

0.749

0.23

 

1

7

60

MLR

0.89

0.83

  

0.84

0.81

0.19

 

12

0.85

0.81

  

0.84

0.84

0.19

 

0.88

0.83

  

0.85

0.85

0.14

 

0.88

0.84

  

0.83

0.83

0.24

 

8

240

ANN

0.96

 

0.69

 

0.95

 

0.92

 

64

SISSO

0.91

 

0.81

 

0.85

 

1.07

 

9

156

Physical based quantitative model

0.71

 

0.238

 

0.721

 

0.265

 

6

10

308

Physical based quantitative model

0.8085

   

0.8804

  

0.193

66

11

404

SMILES and HSG based

0.8039

0.7969

0.182

 

0.7821

0.7715

0.1935

 

Present work