1. A computerized system for the production of melt polycarbonate, comprising: a plurality of sensors operable for obtaining a plurality of measurements relating to a plurality of predetermined process variables; a preprocessor operable for preprocessing each of the plurality of measurements for multivariate statistical analysis; an identifier operable for identifying which of the plurality of predetermined process variables affect each of a plurality of predetermined product variables, individually and in combination; a correlator operable for correlating the plurality of predetermined process variables and the plurality of predetermined product variables, individually and in combination; a model generator operable for modeling the relationship between the plurality of predetermined process variables and the plurality of predetermined product variables; and an analyzer operable for analyzing the plurality of predetermined process variables to ensure that the value of each of the plurality of predetermined process variables is within a predetermined range.