Table 5 Descriptive Statistics on datasets.

From: A hybrid Harris Hawks Optimization with Support Vector Regression for air quality forecasting

Measure

1001

1003

1005

1007

1009

Mean

12.12437

11.15453931

11.4818384

12.28180649

13.42331558

Standard error

0.085314

0.077052276

0.083304949

0.094911277

0.10378677

Median

11.23851

10.22755

10.523719

11.180108

12.2115595

Mode

8.7698

12.1359

18.1112

10.1167

12.356719

Standard deviation

5.06668

4.601253288

4.973940345

5.665336729

6.152376078

Sample variance

25.67124

21.17153182

24.74008255

32.09604025

37.85173141

Kurtosis

3.653109

2.335702905

4.345759265

3.006152392

2.665884114

Skewness

1.376239

1.285206137

1.490456987

1.392239201

1.336003692

Range

42.11508

35.648372

48.424197

42.758139

42.303232

Minimum

2.6969

2.3414

2.2181

2.355192

2.3651

Maximum

44.81198

37.989772

50.642297

45.113331

44.668332

Sum

42762.64

39,777.08718

40,932.75391

43,760.07652

47,169.53096

Count

3527

3566

3565

3563

3514