DP-100 Web TestEngine demo

Exit VCEDump DP-100 Designing and Implementing a Data Science Solution on Azure
Question 27 of 93
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Q27 Hotspot

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You have a dataset created for multiclass classification tasks that contains a normalized numerical feature set with 10,000 data points and 150 features.

You use 75 percent of the data points for training and 25 percent for testing. You are using the scikit-learn machine learning library in Python. You use X to denote the feature set and Y to denote class labels.

You create the following Python data frames:

Question 27 diagram

You need to apply the Principal Component Analysis (PCA) method to reduce the dimensionality of the feature set to 10 features in both training and testing sets.

How should you complete the code segment? To answer, select the appropriate options in the answer area.

NOTE: Each correct selection is worth one point.

Select the correct area(s) on the image.

Question diagram

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