You are working for a car dealership. Your boss asks you to provide him with forecast information. Will the new car model be successful or not? The new model has a variety of engine improvements, more

Question

Options

• AData selection
• BTraining set selection
• CData for model evaluation selection
• DFeature selection
• EData classification

• A
  2% (1)
• B
  2% (1)
• C
  16% (7)
• D
  73% (33)
• E
  7% (3)

Explanation

During pre-processing, you need to work with data to select features that influence the label prediction. In this problem, features are the engine characteristics (power or volume), seat comforts, etc. They could help the ML model to predict the success of the new car model. Maybe the sunroof is not essential for predicting the label, and we need to discard this feature from the final set of features that we will use for model training. In short, Feature selection helps us to narrow down the features that are important for our label prediction and discard all features that don’t play or play a minimal role in a label prediction. As a result, our trained model and prediction will be more efficient. All other options are incorrect because they are parts of the different data processing events that are irrelevant to the pre-processing (Training set selection or Data for model evaluation selection) or too generic (Data selection or Data Classification). https://docs.microsoft.com/en-us/azure/machine-learning/team-data-science-process/select-

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