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Table 6 Statistically non-significant variables with fs and selected ≥ 75 with LASSO

From: Machine learning procedures for predictor variable selection for schoolwork-related anxiety: evidence from PISA 2015 mathematics, reading, and science assessments

Variable

Counts

LASSO mean

LASSO SD

FS coefficient

FS p-value

ST082Q01NA

96

0.02

0.01

0.02

0.20

ST082Q09NA

91

0.02

0.01

0.03

0.12

ST039Q05NA

78

0.01

0.01

0.03

0.11

ST076Q01NA

81

 − 0.02

0.00

 − 0.04

0.11

PV1CLPS

100

0.00

0.00

0.00

0.08

ST078Q03NA

78

 − 0.03

0.02

 − 0.06

0.07

ST063Q06NA

91

 − 0.04

0.02

 − 0.06

0.07

ST092Q02TA

90

 − 0.02

0.01

 − 0.02

0.07

ST011D17TA

93

 − 0.03

0.02

 − 0.05

0.06

ST063Q03NB

79

0.02

0.01

0.05

0.06

ST060Q01NA

81

0.00

0.00

0.00

0.06

ST038Q03NA

99

0.04

0.01

0.04

0.05

ST123Q02NA

95

0.03

0.02

–

–

ST019CQ01T

95

0.03

0.02

–

–

ST012Q01TA

93

0.02

0.01

–

–

ST039Q02NA

91

0.01

0.01

–

–

ST082Q08NA

90

0.02

0.02

–

–

ST034Q02TA

88

0.02

0.01

–

–

ST119Q03NA

86

0.02

0.02

–

–

ST078Q06NA

86

 − 0.02

0.02

–

–

ST012Q09NA

85

0.01

0.01

–

–

ST131Q01NA

84

0.01

0.01

–

–

ST121Q02NA

81

0.01

0.01

–

–

ST146Q05TA

81

0.02

0.02

–

–

ST011Q01TA

80

0.02

0.02

–

–

ST076Q11NA

78

 − 0.02

0.02

–

–

ST078Q10NA

78

 − 0.02

0.02

–

–

ST095Q15NA

75

0.01

0.01

–

–

  1. Unstandardized coefficients reported
  2. PV1CLPS, plausible value 1 of collaborative problem solving. Statistical significance testing should not be conducted with the means and SDs of LASSO
  3. p > 0.05