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Return collection with "Loop Attribute"?

aruberutou

Hi,

Apologies if this has been answered elsewhere. But I have been trying to build a nested loop operator, that works over examples and attributes, treating each attribute as a separate case.

Standard loop works fine for processing examples, collections are returned as appropriate. Loop attribute, however, does not build collections and instead returns only the last processed table.

Is that supposed to be how it works? If so, any advice on getting "loop attribute" to build collections, in a fashion identical to the standard loop operator?

Thanks in advance!

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Loops + Branches

Accepted answers

Thomas_Ott

Have you tried using the Append operator right after the loop?

bhupendra_patil

try connecting the output to res port inside and then the res port of the "loop attributes" will deliver hte collection as you probably need

All comments

Thomas_Ott

Have you tried using the Append operator right after the loop?

bhupendra_patil

try connecting the output to res port inside and then the res port of the "loop attributes" will deliver hte collection as you probably need

aruberutou

Hi,

Thanks for the solutions. Using the res port solved the problem beautifully. Append then merged the collection just fine.

One minor hicup was that some example sets were empty, which Append didnt like.

I resolved this by using "loop collection" with "branch". The branch condition was set to "min_examples = 1", with "else" set to NOT pass the example set. This effectively filtered out blank example sets, fixing the problem with append.

Thanks!