Table 4 Comparison of algorithm errors for different population sizes and number of iterations.

From: Construction cost prediction model for agricultural water conservancy engineering based on BIM and neural network

Serial number

Population

Iteration

Population size

Algorithm error

Number of iterations

Algorithm error

1

10

0.018436

80

0.003069

2

20

0.016377

90

0.001163

3

30

0.012069

100

0.000514

4

40

0.012239

110

0.000640

5

50

0.020448

120

0.000614

6

60

0.017388

130

0.001142

7

70

0.022617

140

0.001163

8

80

0.035267

150

0.001758

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