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# System prepended metadata

title: Atomic sampling

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# Atomic sampling
This approach to data sampling takes every transaction within an [Analysis Period](/conspoQ5TNmH5pfZqp-LfQ) as an event that changes the state of the system.
This can either be scaled  by event - each transaction is a 'clock tick', or by 'real time' - where seconds or minutes are clock ticks, and events are mapped as they occur in the timeleine.