2.2. Principal component analysis We apply PCA, one of the most widely used multivariate statistical techniques for dimensionality reduction, to determine the weights of the variables (Jolliffe, 2002).
2.2. Principal component analysisWe apply PCA, one of the most widely used multivariate statisticaltechniques for dimensionality reduction, to determine theweights of the variables (Jolliffe, 2002).