Definition 3.10 An indicator is basic, if it is obtained through a direct observation of an empirical system. Examples of basic indicators are the number of defectives in a production line, the number of manufactured parts, the time period between two events, etc.
(Franceschini et al., 2019, p. 73) Basic indicators. They are obtained from a direct observation of an empirical system.
(Franceschini et al., 2019, p. 90) |