Vantage Certified Data Science — Data Science Learning Practice Questions
The free Vantage Certified Data Science — Data Science questions that deal with learning, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #5
In a machine learning project, what is the purpose of cross-validation?
Correct answer: A
Explanation
Cross-validation assesses how the results of a statistical analysis will generalize to an independent dataset.
Question #7
What aspect of machine learning involves determining whether the model is overfitting or underfitting?
Correct answer: B
Explanation
Model Evaluation involves analyzing how well the model performs on unseen data to ensure it is neither overfitting nor underfitting.
Continue with Vantage Certified Data Science — Data Science
Unlock the full question bank
You have read the first 10 questions. A subscription opens every question in Vantage Certified Data Science — Data Science, the full timed practice test, and your progress and weak-topic reporting.
Single exam
$19.99for 30 days
Full question bank and practice test for one exam, for 30 days.
Single exam
$49.99for 1 year
One exam for a full year. Nothing renews and nothing to cancel.
Full access
$39.99/mo
Every exam in the catalogue, month to month.
Full access
$199.99/yr
Every exam in the catalogue for a year.
Already subscribed? Sign in to pick up where you left off.
All Vantage Certified Data Science — Data Science practice questions →