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Data Engineering
Join discussions on data engineering best practices, architectures, and optimization strategies within the Databricks Community. Exchange insights and solutions with fellow data engineers.
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Forum Posts

Nasreddin
by New Contributor
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ColumnTransformer not fitted after sklearn Pipeline loaded from Mlflow

I am building a machine learning model using sklearn Pipeline which includes a ColumnTransformer as a preprocessor before the actual model. Below is the code how the pipeline is created.transformers = [] num_pipe = Pipeline(steps=[ ('imputer', Si...

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Kaniz
Community Manager
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Hi @Nasreddin, MLflow is compatible with sklearn Pipeline with multiple steps. The error you're encountering, "This ColumnTransformer instance is not fitted yet. Call’ fit’ with appropriate arguments before using this estimator." is likely because  C...

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MGH1
by New Contributor III
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Resolved! how to log the KerasClassifier model in a sklearn pipeline in mlflow?

I have a set of pre-processing stages in a sklearn `Pipeline` and an estimator which is a `KerasClassifier` (`from tensorflow.keras.wrappers.scikit_learn import KerasClassifier`).My overall goal is to tune and log the whole sklearn pipeline in `mlflo...

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shan_chandra
Esteemed Contributor
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could you please share the full error stack trace?

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