I was building an operator with ParameterTypeCheckBoxGroup, and I find when I want to get the parameters, it returned null ParameterTypeCheckBoxGroup leads=new ParameterTypeCheckBoxGroup(PARAMETER_LEADS, "choose the leads to focus on");
for (String lead : leadName.getLead()){ leads.add(null,lead); }
I saw you posting multiple questions around creating your own extensions. Unfortunately, I don't know the answers myself, but wanted to make sure you are aware of the documentation that can be found here: For Developers - RapidMiner Documentation
Altair Employee
I saw you posting multiple questions around creating your own extensions. Unfortunately, I don't know the answers myself, but wanted to make sure you are aware of the documentation that can be found here: For Developers - RapidMiner Documentation
Have a nice weekend