AttributeError: 'Pipeline' object has no attribute '_transfer_param_map_to_java'

Question

I use pyspark.ml.tuning.CrossValidator and Pipline to train a CrossValidatorModel named cv_model,after that,I want to persist the model, so i use cv_model.save to save my model,but an error occured：AttributeError: 'Pipeline' object has no attribute '_transfer_param_map_to_java' mycode

error message

I do not know how to solve the error. thanks for help me!

I also run into the same error. Do you happen to find an answer to that ? — Mustufain
– Mustufain, Commented May 4, 2018 at 15:36

shuai fu · Accepted Answer · 2018-06-25 05:41:00Z

8

i find a way to solve the problem myself:

pip_model = cv_model.bestModel
pip_model.write().overwrite().save("/Users/fushuai/PyCharmProject/CTREstimation/model")

answered Jun 25, 2018 at 5:41

shuai fu

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