Table 3 Statistical descriptions of input–output parameters obtained in the Baghin Plain.

From: Enhancement of groundwater resources quality prediction by machine learning models on the basis of an improved DRASTIC method

Parameters

Max

Min

Average

Std. dev

Skewness

Dr

3

1

1

0.41

3.6

Rr

5

1

4

1.2

-0.23

Ar

7

4

6

1.01

0.38

Sr

9

1

5

1.36

-1.2

Tr

10

5

10

0.67

-3.39

Ir

7

3

4

1.26

0.33

Cr

4

1

2

0.62

1.04

Lr

8

1

6

2.22

-1.13

LU

1

0.2

0.5

0.36

0.63

NVI

104

13.6

39.62

29.6

0.76

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