No operator description 'W-MultilayerPerceptron'

laurablaurab Member Posts: 23 Maven
edited November 2018 in Help

I am having trouble trying to use 'W-MultilayerPerceptron' in java.  I am initilaising rapidminer:

System.setProperty("rapidminer.home", "file:///C:/Rapid-I/RapidMiner-4.3");

And rapidMiner.jar and weka.jar are both on the build path. I am  trying to create the opertor as follows:

Operator model = OperatorService.createOperator("W-MultilayerPerceptron");
model.setParameter("L", "0.3"); //learning rate

But I always get the following error:

com.rapidminer.operator.OperatorCreationException: No operator description object given for 'W-MultilayerPerceptron'.

I really cant see what i am doing wrong?

Thanks Laura


  • Options
    landland RapidMiner Certified Analyst, RapidMiner Certified Expert, Member Posts: 2,531 Unicorn
    Hi Laura,
    does this error occur if you use rapid miner operators?

  • Options
    laurablaurab Member Posts: 23 Maven
    Hi Sebastian,

    Thanks for getting back to me. I have fixed the error now thouhg.  I was not setting Rapidminer.home correctly. 

    I was setting:


    but have changed it :


    and this works fine now.

    Thanks alot
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