Calculates the lowest value in a set of time series data.
lowest(TimeSeries, [Period])
Parameter | Description |
---|---|
TimeSeries | This can be a node with time series data or another function. |
Period |
Number of data intervals considered in the function. If omitted, the entire data in the past will be used. |
lowest(@input_node, 90): Finds the lowest value in the last 90 intervals for the time series specified in the input node.
The following example tracks the lowest recorded Minimum Nightly Flow over time. Tracking this value is often used as an estimate of leakage in a system. In this case, Lowest(90) will report the lowest close value over the past 90 days.