Developing Apama Applications > Dashboard Function Reference > Scalar Functions > Delta
Delta
Returns the rate of change of Value over the specified time interval.
Arguments
This function has the following arguments:
*Value: The numeric value whose rate of change is to be returned.
*Interval: Numeric value specifying the time interval, in seconds, for which the rate of change is to be calculated. If no value is given, the absolute delta is returned.
The function returns a number.
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