Table 4 The results of evaluation criteria for selecting the most important features among all the features affecting the total cost of drip irrigation systems.

From: A novel early stage drip irrigation system cost estimation model based on management and environmental variables

Criterion

Symbol

Selected Algorithms

WCC

LCA

LA

FOA

A number of features

NOF

17

11

15

8

Elapsed Time

ET

144.3585

627.2781

75.0988

156.6064

Error

ER

0.0030

0.0020

0.0025

0.0018

Error-Standard Deviation

ER-STD

0.0004

0.0002

0.0004

0.0002

Error-Confidence Interval 1

ER-CI-

0.0034

0.0024

0.0029

0.0022

Error-Confidence Interval 2

ER-CI-2

0.0037

0.0025

0.0032

0.0023

Error-P-Value

ER-P

0.0000

0.0000

0.0000

0.0000

Error-Test Statistic

ER-TS

55.5236

69.115

38.4557

49.7614

Correlation

CR

0.9345

0.9365

0.9165

0.9378

Correlation- Standard Deviation

CR-STD

0.0112

0.0088

0.0096

0.0086

Correlation-Confidence Interval 1

CR-CI-1

0.9123

0.9208

0.9201

0.9240

Correlation-Confidence Interval 2

CR-CI-2

0.9207

0.9273

0.9272

0.9304

Correlation-P-Value

CR-P

0.0000

0.0000

0.0000

0.0000

Correlation-Test Statistic

CR-TS

446.3479

576.7578

528.9563

589.3232