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Question

Why is StatisticsCalculator returning null for min and max?

b-rad
Contributor
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Hi, I’m having an issue with the StasticsCalculator returning some nulls for min and max. And also some unexpected rounded max values.

 Input data

 

I’m calculating statistics on avg_dur field and grouping by SEG_ID. Unexpected results highlighted.

 

The avg_dur field is data type real32. For some reason changing the data type to real64 results in the stats being calculated as expected.


The ave_dur field was originally imported from an esri shapefile with data type .

 

3 replies

virtualcitymatt
Celebrity
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Wow, ultra weird. Sounds like a bug. Is there anything in the log file, e.g., warnings? What version of FME are you running?

 

DanAtSafe
Safer
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  • DanAtSafeSafer
  • Safer
  • May 7, 2024

Hi @b-rad Unfortunately this is a known issue, filed as FMEENGINE-82162.  I did find a crazy work-around, which was to add a Creator before the StatisticsCalculator and disable the connection between them.  I don’t guarantee this, but do let me know if it works for you. :^)

b-rad
Contributor
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  • b-radContributor
  • Author
  • Contributor
  • May 8, 2024

Thanks @DanAtSafe. The Creator work around doesn’t seem to help me. But as mentioned I can change to real64 and as a workaround.

 

@virtualcitymatt I’m on 2023.2.1.0 but can also replicated on 2024.0.

DanAtSafe
1 person upvoted this
  • DanAtSafe
    DanAtSafe

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