Table 1 Prediction results of PLS-DA models of BFL built by different variable selection methods.

From: Application of variable selection in the origin discrimination of Wolfiporia cocos (F.A. Wolf) Ryvarden & Gilb. based on near infrared spectroscopy

Primary ID

886 spectral variables

40 spectral variables by CARS

95 spectral variables by MC-UVE

90 spectral variables by SPA

129 spectral variables by LPG

AC

CC

Ypre

Ydev

AC

CC

Ypre

Ydev

AC

CC

Ypre

Ydev

AC

CC

Ypre

Ydev

AC

CC

Ypre

Ydev

BFL-01

1

1

0.836

0.116

1

1

1.001

0.001

1

1

0.654

0.245

1

1

1.023

0.016

1

1

0.805

0.138

BFL-05

1

1

1.629

0.445

1

1

0.774

0.160

1

1

0.644

0.252

1

1

1.23

0.163

1

1

0.548

0.320

BFL-20

1

1

1.536

0.379

1

1

0.834

0.117

1

1

0.541

0.324

1

1

0.805

0.138

1

1

0.749

0.178

BFL-34

1

1

1.618

0.437

1

1

0.719

0.199

1

1

0.621

0.268

1

1

1.205

0.145

1

1

0.762

0.168

BFL-40

1

1

0.835

0.117

1

1

1.168

0.119

1

1

0.711

0.204

1

1

1.577

0.408

1

1

0.822

0.126

BFL-48

1

SU

1.782

0.553

1

1

1.119

0.084

1

1

0.685

0.223

1

1

1.400

0.283

1

1

0.725

0.194

BFL-33

2

2

2.004

0.003

2

2

2.084

0.059

2

2

1.756

0.173

2

2

1.849

0.107

2

2

1.758

0.171

BFL-42

2

SU

2.635

0.450

2

2

1.554

0.315

2

2

1.539

0.326

2

2

1.87

0.092

2

2

1.682

0.225

BFL-49

2

2

1.928

0.051

2

2

1.593

0.288

2

2

2.192

0.136

2

2

1.963

0.026

2

2

1.920

0.057

BFL-54

2

2

1.845

0.110

2

2

1.967

0.023

2

2

1.963

0.026

2

2

1.72

0.198

2

2

1.821

0.126

BFL-55

2

2

1.751

0.176

2

2

1.942

0.041

2

2

1.882

0.083

2

2

2.034

0.024

2

2

1.716

0.201

BFL-12

3

3

2.802

0.140

3

3

3.019

0.013

3

3

2.562

0.310

3

3

2.88

0.085

3

3

2.575

0.300

BFL-15

4

4

3.844

0.110

4

4

4.593

0.419

4

4

3.744

0.181

4

4

3.876

0.088

4

4

3.582

0.296

BFL-37

4

4

3.948

0.037

4

4

3.712

0.204

4

4

3.720

0.198

4

4

3.9

0.071

4

4

3.807

0.137

BFL-47

4

4

3.893

0.076

4

4

3.873

0.090

4

4

3.861

0.098

4

4

3.657

0.243

4

4

3.817

0.129

BFL-04

5

SU

5.653

0.462

5

5

4.901

0.070

5

5

4.782

0.154

5

5

4.565

0.308

5

5

4.576

0.300

BFL-13

5

5

4.813

0.132

5

5

5.126

0.089

5

5

5.117

0.083

5

5

4.685

0.223

5

5

4.790

0.149

BFL-16

5

5

4.904

0.068

5

5

5.047

0.033

5

5

4.751

0.176

5

5

4.818

0.129

5

5

5.013

0.009

BFL-25

5

5

4.965

0.025

5

5

4.829

0.121

5

5

4.995

0.004

5

5

4.762

0.168

5

5

4.829

0.121

Accuracy (%)

84.21

100

100

100

100

R 2

0.940

0.977

0.966

0.972

0.970

RMSECV

0.290

0.181

0.219

0.197

0.208

RMSEP

0.382

0.239

0.289

0.260

0.274

  1. Note: AC (Actual class), CC (Calculated class), Ypre (Predicted value), Ydev (Deviation), SU (Suspicious).
Back to article page