Seismic-Parameter-Based Statistical Procedures for the Approximate Assessment of Structural Damage

Table 14

Correlation coefficients between correct and predicted OSDI values based on regression analyses.

Regression	OSDI	Correlation coefficients
		Set 1		Set 2
		400 accelerograms		10 accelerograms
		Pearson correlation	Spearman rank correlation	Pearson correlation	Spearman rank correlation
Model 1	DIP/A,Global	0.927	0.912	0.975	0.953
	MISDR	0.894	0.921	0.979	0.958
	𝛿𝑀	0.874	0.841	0.962	0.833
Model 2	DIP/A,Global	0.925	0.913	0.977	0.953
	MISDR	0.892	0.933	0.982	0.967
	𝛿𝑀	0.871	0.846	0.982	0.827