Data Science and Artificial Intelligence
GATE DA concept:principal-component-analysis PYQs
Build your understanding with focused practice from past exam papers.
How to practice concept:principal-component-analysis
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–2 of 2. Imported answers require independent review unless marked reviewed.
Question 11
Open questionDAMCQ1 markNeeds review
For a classification problem, Principal Component Analysis (PCA) has been used to reduce the dimensionality of a feature space from 100 to 10.
Which of the following options is true about the angle
between the first and the tenth principal components?Your answerChoose one option.
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Open questionDAMCQ1 markNeeds review
Match the items in Column 1 with the items in Column 2 in the following table:
Column 1: (p) Principal Component Analysis; (q) Naïve Bayes Classification; (r) Logistic Regression.
Column 2: (i) Discriminative Model; (ii) Dimensionality Reduction; (iii) Generative Model
Your answerChoose one option.
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