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A data scientist wants to use Spark ML to one-hot encode the categorical features in...

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A data scientist wants to use Spark ML to one-hot encode the categorical features in their PySpark DataFramefeatures_df. A list of the names of the string columns is assigned to theinput_columnsvariable.

They have developed this code block to accomplish this task:

The code block is returning an error.

Which of the following adjustments does the data scientist need to make to accomplish this task?

A.

They need to specify the method parameter to the OneHotEncoder.

B.

They need to remove the line with the fit operation.

C.

They need to use Stringlndexer prior to one-hot encodinq the features.

D.

They need to useVectorAssemblerprior to one-hot encoding the features.

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