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The recording of the development of a variable during time can be achieved in different ways and is controlled by observers.
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Complete Recording Every discrete change is recorded as well as continuous changes in a given time grid. -
Regular Scan The value of a variable is recorded in specified intervals. -
Compressed Recording Recording takes place in equidistant time intervals, but only average, minimum and maximum are stored for a past interval specified by the user. -
Event Driven Recording Every time a discrete variable changes its value, a given arbitrary set of values is recorded. The discrete variable itself may be part of the recorded values or not. -
Value-Distributions In this case, values are not recorded in dependance on time. On the contrary, it is stored how often or how long a variable is within a value interval. Intervals are given by the division of the whole range of values into intervals. -
Track of Objects By this, the course of mobile components through the system is recorded. The result is an ordered sequence of places the object stayed at.
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The recording of the development of a variable during time can be achieved in different ways and is controlled by observers.
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