Comment on “Mass-Remainder Analysis (MARA): A New Data Mining Tool for Copolymer Characterization” (An Example of Multiple Discovery)

The present comment aims at highlighting the similarity of the mathematical background proposed by T. Nagy and his co-workers in their article entitled "Mass-Remainder Analysis (MARA); A New Data Mining Tool for Copolymer Characterization" to the formulas developed by their group in a Letters to Analytical Chemistry entitled "First Out Instincts Are Always Right: The Resolution Required for a Mass Defect Analysis of Polymer Ions Can Be as Low as Oligomeric". Such similarity may not be obvious at first sight owing to the processing of different types of datasets and the use of two different names, the latter revealing two different approaches to produce this new postacquisition data processing tool.