philosophical aspects, a science can be exact science if it has mathematical fundaments. Otherwise it is "just" descriptive science. E.g., chemistry was descriptive science in the time of alchemy. After [...] methods to chemical data. The International Chemometrics Society (ICS) offers the following definition ( http://www.chemometry.com/Index/Chemometrics.html ): "Chemometrics is the science of relating measurements [...] techniques for collecting good data (optimization of experimental parameters, design of experiments, calibration, signal processing) and for getting information from these data (statistics, pattern recognition
https://www.mathematik.uni-rostock.de/aktivitaeten-veranstaltungen/regelmaessige-veranstaltungen/forschungskolloquium/2014/