Q: 7
You're working with petabytes of data and need to make this dataset more manageable. To do this,
you want to reduce the number of variables under consideration.
What is the name for this process?
Options
Discussion
A saw this in a similar exam question and it matched the key term for reducing variables.
Option A, not D-dimensionality reduction is all about cutting variables. Data selection just picks data, easy to mix up.
D . Data selection gets used a lot as a concept trap in questions about making big datasets easier to work with.
Its A
Maybe D. Saw a similar term used in a sample exam, but I'd double-check the official PMI glossary or the recommended study guide to be sure.
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