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Sending files between operators

naveen_bharadwanaveen_bharadwa Member Posts: 9 Contributor I
edited November 2018 in Help

I am new to RapidMiner and was wondering if there is a way send files from one operator to another instead of Pandas dataframes?

Answers

  • Thomas_OttThomas_Ott RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,761 Unicorn

    I'm not sure I understand what you want to do. Send flat files? There are different data loaders for flat files, databases, HDFS, etc.

  • naveen_bharadwanaveen_bharadwa Member Posts: 9 Contributor I

    So, I want to read a text file using one operator, read a file for example, and then send files in a loop to process each one separately(Text processing,i.e, stemming, tokenize, etc.). The way I understand, the operators can communicate only using Pandas Dataframe objects. 

    If I have written a python script on the Python script operator which would take a file as an input, I'm unable to pass the file from read file operator.

  • Thomas_OttThomas_Ott RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 1,761 Unicorn

    Only the Execute Python operator works Panda Dataframes. Other RapidMiner operators do not depend on Pandas, they have their own internal file handling. 

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