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Automatic model selection and application only of the optimal model
jan_spoerer
Member Posts: 10 
Contributor II
Building on Rapidminer's explanation videos on how to automatically select optimal models (3/30/16 RapidMiner Office Hours: Automatic Model Selection, starting at 11:26min; 17 Automated model selection and optimization), I would like to apply the optimal model to a dataset that is different from the dataset that was used to select the model. I already know how to store the optimal parameters of the models (see attached file) and apply them to all models, but I don't know how to select and store only the best model.
So, the question is: How to isolate the optimal model, store the model and the parameters in two files, and apply it with its optimal parameters to a second unlabeled dataset? Thank you for your help!
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Best Answer
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sgenzer
Administrator, Moderator, Employee-RapidMiner, RapidMiner Certified Analyst, Community Manager, Member, University Professor, PM Moderator Posts: 2,959 
Community Manager
hello @jan_spoerer - so I would use the Model Management Extension in this use case rather than go through all that legwork. I'm showing you the basic structure here; you can tune each of the models separately and then the parameters of the best model can be passed along etc. Hope this makes sense.
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<connect from_op="Performance (2)" from_port="performance" to_port="performance 1"/>
<connect from_op="Performance (2)" from_port="example set" to_port="test set results"/>
<portSpacing port="source_model" spacing="0"/>
<portSpacing port="source_test set" spacing="0"/>
<portSpacing port="source_through 1" spacing="0"/>
<portSpacing port="source_through 2" spacing="0"/>
<portSpacing port="sink_test set results" spacing="0"/>
<portSpacing port="sink_performance 1" spacing="0"/>
<portSpacing port="sink_performance 2" spacing="0"/>
</process>
</operator>
<connect from_port="input 1" to_op="Cross Validation (2)" to_port="example set"/>
<connect from_op="Cross Validation (2)" from_port="performance 1" to_port="performance"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_performance" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<operator activated="true" class="remember" compatibility="8.0.001" expanded="true" height="68" name="Remember (3)" width="90" x="112" y="238">
<parameter key="name" value="RF"/>
<parameter key="io_object" value="ParameterSet"/>
</operator>
<connect from_port="input 1" to_op="Optimize Parameters (2)" to_port="input 1"/>
<connect from_op="Optimize Parameters (2)" from_port="performance" to_port="output 1"/>
<connect from_op="Optimize Parameters (2)" from_port="parameter" to_op="Remember (3)" to_port="store"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_output 1" spacing="0"/>
<portSpacing port="sink_output 2" spacing="0"/>
</process>
<process expanded="true">
<operator activated="true" class="optimize_parameters_grid" compatibility="8.0.001" expanded="true" height="103" name="Optimize Parameters (Grid)" width="90" x="45" y="34">
<list key="parameters">
<parameter key="Rule Induction (2).criterion" value="information_gain,accuracy"/>
</list>
<process expanded="true">
<operator activated="true" class="concurrency:cross_validation" compatibility="8.0.001" expanded="true" height="145" name="Cross Validation" width="90" x="380" y="34">
<process expanded="true">
<operator activated="true" class="rule_induction" compatibility="8.0.001" expanded="true" height="82" name="Rule Induction (2)" width="90" x="179" y="34">
<parameter key="criterion" value="accuracy"/>
</operator>
<connect from_port="training set" to_op="Rule Induction (2)" to_port="training set"/>
<connect from_op="Rule Induction (2)" from_port="model" to_port="model"/>
<portSpacing port="source_training set" spacing="0"/>
<portSpacing port="sink_model" spacing="0"/>
<portSpacing port="sink_through 1" spacing="0"/>
</process>
<process expanded="true">
<operator activated="true" class="apply_model" compatibility="8.0.001" expanded="true" height="82" name="Apply Model" width="90" x="112" y="34">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance" compatibility="8.0.001" expanded="true" height="82" name="Performance" width="90" x="246" y="34"/>
<connect from_port="model" to_op="Apply Model" to_port="model"/>
<connect from_port="test set" to_op="Apply Model" to_port="unlabelled data"/>
<connect from_op="Apply Model" from_port="labelled data" to_op="Performance" to_port="labelled data"/>
<connect from_op="Performance" from_port="performance" to_port="performance 1"/>
<connect from_op="Performance" from_port="example set" to_port="test set results"/>
<portSpacing port="source_model" spacing="0"/>
<portSpacing port="source_test set" spacing="0"/>
<portSpacing port="source_through 1" spacing="0"/>
<portSpacing port="sink_test set results" spacing="0"/>
<portSpacing port="sink_performance 1" spacing="0"/>
<portSpacing port="sink_performance 2" spacing="0"/>
</process>
</operator>
<connect from_port="input 1" to_op="Cross Validation" to_port="example set"/>
<connect from_op="Cross Validation" from_port="performance 1" to_port="performance"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_performance" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<operator activated="true" class="remember" compatibility="8.0.001" expanded="true" height="68" name="Remember (2)" width="90" x="112" y="187">
<parameter key="name" value="RI"/>
<parameter key="io_object" value="ParameterSet"/>
</operator>
<connect from_port="input 1" to_op="Optimize Parameters (Grid)" to_port="input 1"/>
<connect from_op="Optimize Parameters (Grid)" from_port="performance" to_port="output 1"/>
<connect from_op="Optimize Parameters (Grid)" from_port="parameter" to_op="Remember (2)" to_port="store"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_output 1" spacing="0"/>
<portSpacing port="sink_output 2" spacing="0"/>
</process>
<process expanded="true">
<operator activated="true" class="optimize_parameters_grid" compatibility="8.0.001" expanded="true" height="103" name="Optimize Parameters (5)" width="90" x="45" y="34">
<list key="parameters">
<parameter key="k-NN.k" value="[1.0;9;1;quadratic]"/>
</list>
<process expanded="true">
<operator activated="true" class="concurrency:cross_validation" compatibility="8.0.001" expanded="true" height="145" name="Cross Validation (4)" width="90" x="380" y="34">
<process expanded="true">
<operator activated="true" class="k_nn" compatibility="8.0.001" expanded="true" height="82" name="k-NN" width="90" x="112" y="34">
<parameter key="k" value="9"/>
</operator>
<connect from_port="training set" to_op="k-NN" to_port="training set"/>
<connect from_op="k-NN" from_port="model" to_port="model"/>
<portSpacing port="source_training set" spacing="0"/>
<portSpacing port="sink_model" spacing="0"/>
<portSpacing port="sink_through 1" spacing="0"/>
</process>
<process expanded="true">
<operator activated="true" class="apply_model" compatibility="8.0.001" expanded="true" height="82" name="Apply Model (4)" width="90" x="112" y="34">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance" compatibility="8.0.001" expanded="true" height="82" name="Performance (4)" width="90" x="246" y="34"/>
<connect from_port="model" to_op="Apply Model (4)" to_port="model"/>
<connect from_port="test set" to_op="Apply Model (4)" to_port="unlabelled data"/>
<connect from_op="Apply Model (4)" from_port="labelled data" to_op="Performance (4)" to_port="labelled data"/>
<connect from_op="Performance (4)" from_port="performance" to_port="performance 1"/>
<connect from_op="Performance (4)" from_port="example set" to_port="test set results"/>
<portSpacing port="source_model" spacing="0"/>
<portSpacing port="source_test set" spacing="0"/>
<portSpacing port="source_through 1" spacing="0"/>
<portSpacing port="sink_test set results" spacing="0"/>
<portSpacing port="sink_performance 1" spacing="0"/>
<portSpacing port="sink_performance 2" spacing="0"/>
</process>
</operator>
<connect from_port="input 1" to_op="Cross Validation (4)" to_port="example set"/>
<connect from_op="Cross Validation (4)" from_port="performance 1" to_port="performance"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_performance" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<operator activated="true" class="remember" compatibility="8.0.001" expanded="true" height="68" name="Remember (4)" width="90" x="112" y="187">
<parameter key="name" value="NB"/>
<parameter key="io_object" value="ParameterSet"/>
</operator>
<operator activated="false" class="optimize_parameters_grid" compatibility="8.0.001" expanded="true" height="103" name="Optimize Parameters (7)" width="90" x="246" y="85">
<list key="parameters">
<parameter key="Naive Bayes.laplace_correction" value="true,false"/>
</list>
<process expanded="true">
<operator activated="true" class="concurrency:cross_validation" compatibility="8.0.001" expanded="true" height="145" name="Cross Validation (6)" width="90" x="380" y="34">
<process expanded="true">
<operator activated="true" class="naive_bayes" compatibility="8.0.001" expanded="true" height="82" name="Naive Bayes (2)" width="90" x="179" y="34"/>
<connect from_port="training set" to_op="Naive Bayes (2)" to_port="training set"/>
<connect from_op="Naive Bayes (2)" from_port="model" to_port="model"/>
<portSpacing port="source_training set" spacing="0"/>
<portSpacing port="sink_model" spacing="0"/>
<portSpacing port="sink_through 1" spacing="0"/>
</process>
<process expanded="true">
<operator activated="true" class="apply_model" compatibility="8.0.001" expanded="true" height="82" name="Apply Model (6)" width="90" x="112" y="34">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance" compatibility="8.0.001" expanded="true" height="82" name="Performance (6)" width="90" x="246" y="34"/>
<connect from_port="model" to_op="Apply Model (6)" to_port="model"/>
<connect from_port="test set" to_op="Apply Model (6)" to_port="unlabelled data"/>
<connect from_op="Apply Model (6)" from_port="labelled data" to_op="Performance (6)" to_port="labelled data"/>
<connect from_op="Performance (6)" from_port="performance" to_port="performance 1"/>
<connect from_op="Performance (6)" from_port="example set" to_port="test set results"/>
<portSpacing port="source_model" spacing="0"/>
<portSpacing port="source_test set" spacing="0"/>
<portSpacing port="source_through 1" spacing="0"/>
<portSpacing port="sink_test set results" spacing="0"/>
<portSpacing port="sink_performance 1" spacing="0"/>
<portSpacing port="sink_performance 2" spacing="0"/>
</process>
</operator>
<connect from_port="input 1" to_op="Cross Validation (6)" to_port="example set"/>
<connect from_op="Cross Validation (6)" from_port="performance 1" to_port="performance"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_performance" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<operator activated="false" class="remember" compatibility="8.0.001" expanded="true" height="68" name="Remember (6)" width="90" x="313" y="238">
<parameter key="name" value="NB"/>
<parameter key="io_object" value="ParameterSet"/>
</operator>
<connect from_port="input 1" to_op="Optimize Parameters (5)" to_port="input 1"/>
<connect from_op="Optimize Parameters (5)" from_port="performance" to_port="output 1"/>
<connect from_op="Optimize Parameters (5)" from_port="parameter" to_op="Remember (4)" to_port="store"/>
<connect from_op="Optimize Parameters (7)" from_port="parameter" to_op="Remember (6)" to_port="store"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_output 1" spacing="0"/>
<portSpacing port="sink_output 2" spacing="0"/>
<description align="center" color="yellow" colored="false" height="105" resized="false" width="180" x="133" y="356">NB --&gt; NKN</description>
</process>
<process expanded="true">
<operator activated="true" class="optimize_parameters_grid" compatibility="8.0.001" expanded="true" height="103" name="Optimize Parameters (6)" width="90" x="45" y="34">
<list key="parameters">
<parameter key="SVM.C" value="[-1.0;1;2;quadratic]"/>
</list>
<process expanded="true">
<operator activated="true" class="concurrency:cross_validation" compatibility="8.0.001" expanded="true" height="145" name="Cross Validation (5)" width="90" x="380" y="34">
<process expanded="true">
<operator activated="true" class="support_vector_machine" compatibility="8.0.001" expanded="true" height="124" name="SVM" width="90" x="179" y="85">
<parameter key="kernel_type" value="radial"/>
<parameter key="kernel_gamma" value="0.0"/>
<parameter key="C" value="-1.0"/>
<parameter key="convergence_epsilon" value="0.0"/>
</operator>
<connect from_port="training set" to_op="SVM" to_port="training set"/>
<connect from_op="SVM" from_port="model" to_port="model"/>
<portSpacing port="source_training set" spacing="0"/>
<portSpacing port="sink_model" spacing="0"/>
<portSpacing port="sink_through 1" spacing="0"/>
<description align="center" color="yellow" colored="false" height="105" resized="false" width="180" x="394" y="150">Type your comment</description>
</process>
<process expanded="true">
<operator activated="true" class="apply_model" compatibility="8.0.001" expanded="true" height="82" name="Apply Model (5)" width="90" x="112" y="34">
<list key="application_parameters"/>
</operator>
<operator activated="true" class="performance" compatibility="8.0.001" expanded="true" height="82" name="Performance (5)" width="90" x="246" y="34"/>
<connect from_port="model" to_op="Apply Model (5)" to_port="model"/>
<connect from_port="test set" to_op="Apply Model (5)" to_port="unlabelled data"/>
<connect from_op="Apply Model (5)" from_port="labelled data" to_op="Performance (5)" to_port="labelled data"/>
<connect from_op="Performance (5)" from_port="performance" to_port="performance 1"/>
<connect from_op="Performance (5)" from_port="example set" to_port="test set results"/>
<portSpacing port="source_model" spacing="0"/>
<portSpacing port="source_test set" spacing="0"/>
<portSpacing port="source_through 1" spacing="0"/>
<portSpacing port="sink_test set results" spacing="0"/>
<portSpacing port="sink_performance 1" spacing="0"/>
<portSpacing port="sink_performance 2" spacing="0"/>
</process>
</operator>
<connect from_port="input 1" to_op="Cross Validation (5)" to_port="example set"/>
<connect from_op="Cross Validation (5)" from_port="performance 1" to_port="performance"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_performance" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<operator activated="true" class="remember" compatibility="8.0.001" expanded="true" height="68" name="Remember (5)" width="90" x="112" y="187">
<parameter key="name" value="SVM"/>
<parameter key="io_object" value="ParameterSet"/>
</operator>
<connect from_port="input 1" to_op="Optimize Parameters (6)" to_port="input 1"/>
<connect from_op="Optimize Parameters (6)" from_port="performance" to_port="output 1"/>
<connect from_op="Optimize Parameters (6)" from_port="parameter" to_op="Remember (5)" to_port="store"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_output 1" spacing="0"/>
<portSpacing port="sink_output 2" spacing="0"/>
</process>
</operator>
<connect from_port="input 1" to_op="Select Subprocess" to_port="input 1"/>
<connect from_op="Select Subprocess" from_port="output 1" to_port="performance"/>
<portSpacing port="source_input 1" spacing="0"/>
<portSpacing port="source_input 2" spacing="0"/>
<portSpacing port="sink_performance" spacing="0"/>
<portSpacing port="sink_result 1" spacing="0"/>
</process>
</operator>
<operator activated="false" class="compare_rocs" compatibility="8.0.001" expanded="true" height="82" name="Compare ROCs" width="90" x="447" y="391">
<parameter key="number_of_folds" value="20"/>
<process expanded="true">
<operator activated="true" class="recall" compatibility="8.0.001" expanded="true" height="68" name="Recall" width="90" x="313" y="136">
<parameter key="name" value="DT"/>
<parameter key="io_object" value="ParameterSet"/>
<parameter key="remove_from_store" value="false"/>
</operator>
<operator activated="true" class="set_parameters" compatibility="8.0.001" expanded="true" height="82" name="Set Parameters" width="90" x="447" y="136">
<list key="name_map">
<parameter key="DT" value="Decision Tree ROC"/>
</list>
</operator>
<operator activated="true" class="concurrency:parallel_decision_tree" compatibility="8.0.001" expanded="true" height="82" name="Decision Tree ROC" width="90" x="313" y="34"/>
<operator activated="true" class="store" compatibility="8.0.001" expanded="true" height="68" name="Store Model" width="90" x="514" y="34">
<parameter key="repository_entry" value="Parameter_camillo/ModelDC"/>
</operator>
<operator activated="true" class="recall" compatibility="8.0.001" expanded="true" height="68" name="Recall (2)" width="90" x="313" y="238">
<parameter key="name" value="RI"/>
<parameter key="io_object" value="ParameterSet"/>
<parameter key="remove_from_store" value="false"/>
</operator>
<operator activated="true" class="set_parameters" compatibility="8.0.001" expanded="true" height="82" name="Set Parameters (2)" width="90" x="447" y="238">
<list key="name_map">
<parameter key="RI" value="RI ROC"/>
</list>
</operator>
<operator activated="true" class="rule_induction" compatibility="8.0.001" expanded="true" height="82" name="RI ROC" width="90" x="313" y="340"/>
<operator activated="true" class="store" compatibility="8.0.001" expanded="true" height="68" name="Store Model (2)" width="90" x="514" y="340">
<parameter key="repository_entry" value="Parameter_camillo/ModelRI"/>
</operator>
<operator activated="true" class="recall" compatibility="8.0.001" expanded="true" height="68" name="Recall (3)" width="90" x="313" y="442">
<parameter key="name" value="RF"/>
<parameter key="io_object" value="ParameterSet"/>
<parameter key="remove_from_store" value="false"/>
</operator>
<operator activated="true" class="set_parameters" compatibility="8.0.001" expanded="true" height="82" name="Set Parameters (3)" width="90" x="447" y="442">
<list key="name_map">
<parameter key="RF" value="RF ROC"/>
</list>
</operator>
<operator activated="true" class="concurrency:parallel_random_forest" compatibility="8.0.001" expanded="true" height="82" name="RF ROC" width="90" x="313" y="544"/>
<operator activated="true" class="store" compatibility="8.0.001" expanded="true" height="68" name="Store Model (3)" width="90" x="514" y="544">
<parameter key="repository_entry" value="Parameter_camillo/ModelRF"/>
</operator>
<operator activated="true" class="recall" compatibility="8.0.001" expanded="true" height="68" name="Recall (4)" width="90" x="313" y="646">
<parameter key="name" value="NB"/>
<parameter key="io_object" value="ParameterSet"/>
<parameter key="remove_from_store" value="false"/>
</operator>
<operator activated="true" class="set_parameters" compatibility="8.0.001" expanded="true" height="82" name="Set Parameters (4)" width="90" x="447" y="646">
<list key="name_map">
<parameter key="NB" value="NB ROC"/>
</list>
</operator>
<operator activated="true" class="concurrency:parallel_random_forest" compatibility="8.0.001" expanded="true" height="82" name="NB ROC" width="90" x="313" y="748">
<description align="center" color="transparent" colored="false" width="126">NB - ROC ist aktuell NBB</description>
</operator>
<operator activated="true" class="store" compatibility="8.0.001" expanded="true" height="68" name="Store Model (4)" width="90" x="648" y="748">
<parameter key="repository_entry" value="Parameter_camillo/ModelKNN"/>
</operator>
<operator activated="true" class="recall" compatibility="8.0.001" expanded="true" height="68" name="Recall (5)" width="90" x="313" y="850">
<parameter key="name" value="SVM"/>
<parameter key="io_object" value="ParameterSet"/>
<parameter key="remove_from_store" value="false"/>
</operator>
<operator activated="true" class="set_parameters" compatibility="8.0.001" expanded="true" height="82" name="Set Parameters (5)" width="90" x="447" y="850">
<list key="name_map">
<parameter key="SMV" value="SMV ROC"/>
</list>
</operator>
<operator activated="true" class="concurrency:parallel_random_forest" compatibility="8.0.001" expanded="true" height="82" name="SMV ROC" width="90" x="313" y="952"/>
<operator activated="true" class="store" compatibility="8.0.001" expanded="true" height="68" name="Store Model (5)" width="90" x="514" y="952">
<parameter key="repository_entry" value="Parameter_camillo/ModelSMV"/>
</operator>
<connect from_port="train 1" to_op="Decision Tree ROC" to_port="training set"/>
<connect from_port="train 2" to_op="RI ROC" to_port="training set"/>
<connect from_port="train 3" to_op="RF ROC" to_port="training set"/>
<connect from_port="train 4" to_op="NB ROC" to_port="training set"/>
<connect from_port="train 5" to_op="SMV ROC" to_port="training set"/>
<connect from_op="Recall" from_port="result" to_op="Set Parameters" to_port="parameter set"/>
<connect from_op="Decision Tree ROC" from_port="model" to_op="Store Model" to_port="input"/>
<connect from_op="Store Model" from_port="through" to_port="model 1"/>
<connect from_op="Recall (2)" from_port="result" to_op="Set Parameters (2)" to_port="parameter set"/>
<connect from_op="RI ROC" from_port="model" to_op="Store Model (2)" to_port="input"/>
<connect from_op="Store Model (2)" from_port="through" to_port="model 2"/>
<connect from_op="Recall (3)" from_port="result" to_op="Set Parameters (3)" to_port="parameter set"/>
<connect from_op="RF ROC" from_port="model" to_op="Store Model (3)" to_port="input"/>
<connect from_op="Store Model (3)" from_port="through" to_port="model 3"/>
<connect from_op="Recall (4)" from_port="result" to_op="Set Parameters (4)" to_port="parameter set"/>
<connect from_op="NB ROC" from_port="model" to_op="Store Model (4)" to_port="input"/>
<connect from_op="Store Model (4)" from_port="through" to_port="model 4"/>
<connect from_op="Recall (5)" from_port="result" to_op="Set Parameters (5)" to_port="parameter set"/>
<connect from_op="SMV ROC" from_port="model" to_op="Store Model (5)" to_port="input"/>
<connect from_op="Store Model (5)" from_port="through" to_port="model 5"/>
<portSpacing port="source_train 1" spacing="0"/>
<portSpacing port="source_train 2" spacing="0"/>
<portSpacing port="source_train 3" spacing="0"/>
<portSpacing port="source_train 4" spacing="546"/>
<portSpacing port="source_train 5" spacing="0"/>
<portSpacing port="source_train 6" spacing="0"/>
<portSpacing port="sink_model 1" spacing="0"/>
<portSpacing port="sink_model 2" spacing="0"/>
<portSpacing port="sink_model 3" spacing="0"/>
<portSpacing port="sink_model 4" spacing="609"/>
<portSpacing port="sink_model 5" spacing="0"/>
<portSpacing port="sink_model 6" spacing="0"/>
<description align="center" color="yellow" colored="false" height="105" resized="false" width="180" x="423" y="745">NB ROC = KNN ROC</description>
</process>
</operator>
<connect from_op="Retrieve Wordlist" from_port="output" to_op="Process Documents Unkown" to_port="word list"/>
<connect from_op="Process Documents Unkown" from_port="example set" to_op="Apply Model (7)" to_port="unlabelled data"/>
<connect from_op="Retrieve Model" from_port="output" to_op="Apply Model (7)" to_port="model"/>
<connect from_op="Read Excel" from_port="output" to_op="Get Pages" to_port="Example Set"/>
<connect from_op="Get Pages" from_port="Example Set" to_op="Process Documents from Data" to_port="example set"/>
<portSpacing port="source_in 1" spacing="0"/>
<portSpacing port="sink_out 1" spacing="0"/>
</process>
<description align="center" color="transparent" colored="false" width="2
Answers
hello @jan_spoerer - can you please post your entire XML process so we can take a look?
Thanks.
Scott
Hi Scott,
Thanks for your reply! I attached the process.
Regards,
Jan
Hi Scott,
Thank you for your work! The process looks good and I think it will achieve what I am looking for, but I am getting a couple of errors:
Do you know how to handle these errors? Sorry for that follow-up question!
Jan
Hello @jan_spoerer - so I screwed up by not looking inside your Process Documents with Data operator and noticing that you were using the MeaningCloud extension. My bad. Hence my RapidMiner Studio did not recognize the operator and called it a "dummy". If you just go in there and put a new "Lemmitizer" operator there (or just delete it as you have disabled it anyway), that should get rid of the "dummy" issue.
As for the Random Forest, that's interesting (at least for me). You see Random Forest gives you a collection of models, as opposed to one model. I'll have to ponder this...
Scott