Definitions 白 What is" analysis"? O Analysis specifies data transformations which are ana lytic ca a"Analysis" is the process to resolve and separate the reference system into its parts to illuminate their nature and interrelationships, and to determine general principles of behaviour. 白 What is" modelling"? a Modelling specifies data transformations which involve the synthesis of information a The"synthesis"is the process to put together expressions of general principles with representations of parts of the reference system so as to form a replica that exhibits behaviour similar to that of the reference system