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Table 2 Comparison of computation time for different methods in SCR scenario

From: Dynamic model updating (DMU) approach for statistical learning model building with missing data

p

Scenario

Computation time (s)

SLR

KNN

SLRM

RF

DMU

20

SCR

0.008

36.719

3.527

52.926

0.866

25

SCR

0.044

50.989

5.637

76.500

1.376

30

SCR

1.080

72.720

8.161

89.743

10.794

  1. SLR Simple Linear Regression, KNN k Nearest Neighbors based Imputation, SLRM Simple Linear Regression combined with imputation, RF Random Forest-based Imputation, DMU Dynamic Model Updating, SCR Some Complete Rows in training data