Performs Canonical Correlation Analysis (CCA)
canonical_correlation_analysis(y, Nregio, r_glob, r_reg)A numeric matrix of estimated factors (T × r_glob).
A numeric matrix containing all variables (T × N).
Integer vector specifying the number of variables in each block.
Integer. Number of global factors to be extracted.
Integer vector. Number of regional (local) factors to be extracted for each block.