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Average
(Average0D,Average1D, Average2D boxes)
Will average event data either over an infinite time ("infinite" checked in configuration) or a settable finite number of events (generated internally using the PickN pattern). For the finite case be careful not to set N too large as it can consume a lot of memory. The PickN produces an array of numbers/1D-arrays/2D-arrays which are, respectively, 1D/2D/3D arrays (with "time" being the added dimension). AMI allows you to average over any of those axes, but users will typically want to average over axis=0 ("time"), unless you want to see an average projection (axis=1 or 2) vs. time.
PickN
Use-case summary: Use PickN when you need to gather a precise number of events from multiple workers. It is unusual for users to use this pattern: it is typically only used internally by AMI. The ami graph output will update only when N events have been collected. Note that there is some arithmetic rounding depending on the number of events requested and the number of workers running parallel.
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