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Question

Calculate statistics from a list

  • February 18, 2014
  • 2 replies
  • 53 views

philippeb
Enthusiast
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Hi!

 

I am trying to calculate statistics from an attribute into my list, but it is not possible with the StatisticsCalculator, I have to choose an element from the list when I select my attribute.

 

For the mean value it is easy to by pass this tool (ListSummer, ListElementCounter, ExpressionEvaluator et voilà!), but for the standard deviation, I don't see how to do it.

 

Can you open my eyes?

 

Thank you!

2 replies

philippeb
Enthusiast
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  • Author
  • Enthusiast
  • February 18, 2014
OK I think I've just figured it out.

 

I use the GOIDGenerator to create unique ID for each of me features.

 

After I use ListExploder to explode each of my features depends of the number of elements I have into my list. And After I use StatisticsCalculator (group by goid) and I choose my attribute.

 

I use Duplicateremover at the end to delete unwanted features.

 

So simple, it's a miracle I thought about that at the end of the day.

 


takashi
Influencer
  • February 20, 2014
Tip. If you looked at Summary port of the StatisticsCaluculator, may not need the DuplicateRemover.

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