Summary of the main characteristics of data, often using graphical methods.
Note: Exploratory data analysis is recommended before deciding an approach to chemometric modelling.
Source:
PAC, 2016, 88, 407. 'Vocabulary of concepts and terms in chemometrics (IUPAC Recommendations 2016)' on page 410 (https://doi.org/10.1515/pac-2015-0605)