Databricks-Machine-Learning-Associate Exam Dumps | A machine learning engineer would like to develop a linear regression model with Spark ML to predict

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Question 1/35

A machine learning engineer would like to develop a linear regression model with Spark ML to predict the price of a hotel room. They are using the Spark DataFrame train_df to train the model.
The Spark DataFrame train_df has the following schema:

The machine learning engineer shares the following code block:

Which of the following changes does the machine learning engineer need to make to complete the task?

A. They need to call the transform method on train df

B. They need to convert the features column to be a vector

C. They do not need to make any changes

D. They need to utilize a Pipeline to fit the model

E. They need to split the features column out into one column for each feature

Question 1/35

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