“…PCA was used extensively to reduce the number of variables and hence the number of decision-making units to rank and analyze. The PCA breaks down the data matrix X into infrastructure and noise components [ 34 ].…”
“…PCA was used extensively to reduce the number of variables and hence the number of decision-making units to rank and analyze. The PCA breaks down the data matrix X into infrastructure and noise components [ 34 ].…”
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