Table 2. Correlation coefficient (10%, 20%, 30%, 40% and 50% scenarios).

Indicators	% missings	NIPALS-PCA	EM-PCA	IM
r	10	0,90 [0,89; 0,91]	0,88 [0,88; 0,89]	0,76 [0,75; 0,76]
	20	0,89 [0,88; 0,89]	0,88 [0,88; 0,89]	0,76 [0,75; 0,76]
	30	0,87 [0,87; 0,88]	0,87 [0,86; 0,88]	0,75 [0,75; 0,76]
	40	0,86 [0,85; 0,86]	0,86 [0,86; 0,86]	0,75 [0,75; 0,76]
	50	0,84 [0,83; 0,84]	0,85 [0,85; 0,86]	0,75 [0,75; 0,75]

Source: Own authorship.

*Average; [Minimum value, Maximum value]