of what use are the left port of the process panel?

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of what use are the left port of the process panel?

Best Answer

  • BalazsBaranyBalazsBarany Administrator, Moderator, Employee, RapidMiner Certified Analyst, RapidMiner Certified Expert Posts: 835 Unicorn
    Solution Accepted

    You can execute processes in other processes as an external subprocess. You can send data to these subprocesses by connecting the port. This input port will then provide the data for the process.

    This is a good approach for modularizing complex projects. You could have a preprocessing sequence that you want to apply to different data sources at different phases of the project. 

    You can easily test such a process (meant to be used as a subprocess) by defining an input example set in the Process Context (View => Panel => Context). You then just take the input from that input connection by connecting the port to the input of your first operator.

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