Eric Kernfeld

Related thread: https://community.dnanexus.com/s/question/0D582000004TONTCA4/are-there-simpler-ways-of-doing-things

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• 26 February 2026 22:14
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Thank you for this rapid and thorough reply! This info is all I need, and I can leave those out for now.

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• 19 February 2026 20:56
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I still am seeing some confusing examples. Field 22670 “Minimum carotid IMT (intima-medial thickness) at 120 degrees” has instance id 2, so I expected it would have instance indices 0 through 3 as ...

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• 19 February 2026 16:40
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People viewing this thread in the future may also want schemas 9 and 10 from https://biobank.ndph.ox.ac.uk/showcase/schema.cgi . (Indispensably important instance indexing interpretation info is in…)

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• Edited 27 February 2026 20:10
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Thank you very much! That's exactly what I needed. 

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• 19 February 2026 14:07
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How can we programmatically check instance indexing semantics?

This page indicates that instance indexing can have a different meaning for different fields. Some follow instancing coding 2 and some do not. How do I know which fields do and which do not? The da...

• Eric Kernfeld
• Edited 18 February 2026 13:49
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There is a similar tool that does have a default behavior of saving files as they become available: WDL scatter with Smart Reuse. 

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• 10 February 2026 22:17
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Note to self: a good example of unusual DNAnexus failures if I decide to go down that path is in analysis-J60PjYQJbkgq6yx42q98gj97

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• 02 February 2026 20:53
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More reading on this topic:Jonathan Margoliash's threads provides a possible path to calling Spark jobs from WDL. But they end with no resolution to the DNAnexus bugs and with a recommendation to u...

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• Edited 02 February 2026 18:26
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