erarchy is unbalanced.
This function transforms an aggregation matrix of a balanced hierarchy
into an aggregation matrix of an unbalanced one, by removing possible duplicated series."><title>Aggregation matrix of a balanced hierarchy in (possibly) unbalanced form — unbalance_hierarchy • FoReco</title><!-- favicons --><link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png"><link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png"><link rel="apple-touch-icon" type="im