Description

Aggregation for T0-based aggregation timespan.
When weekly timestep is used, the beginning of the week will be the same. Using this aggregation a timespan relative to timezero can be used.
Output is always nonequidistant.
Supported statistic methods: max, min, mean, sum

Configuration example
T0-based 7day aggr
<transformation id="T0BasedAgg_7day">
		<aggregation>
			<nonEquidistantTimeSpan>
				<inputVariable>
					<variableId>ESP_mean_6hr</variableId>
				</inputVariable>
				<statisticMethod>mean</statisticMethod>
				<aggregationTimespan unit="day" multiplier="7"/>
				<outputVariable>
					<variableId>SQME_7day_ne</variableId>
				</outputVariable>
			</nonEquidistantTimeSpan>
		</aggregation>
	</transformation>


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