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Table 1 PCA results of the centrality measures

From: Integrated twitter analysis to distinguish systems thinkers at various levels: a case study of COVID-19

Importance of components

Betweenness

Closeness

Degree

Eigen

Number of composite variables emerged

1

1

2

1

 

Standard deviation (greater than 1 is preferred)

1.96

2.00

1.63

1.12

1.90

Proportion of variance explained (more than 60% is preferred)

77%

80%

53%

25%

90%