My Report

Data Science Practice Test 9


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. For k cross-validation, larger k value implies more bias.

2. Which of the following trade-off occurs during prediction?

3. varImp is a wrapper around the evimp function in the _______ package.

4. Which of the following shows correct relative order of importance?

5. The principal components are equal to left singular values if you first scale the variables.

6. Point out the wrong statement.

7. Which of the following method is used for trainControl resampling?

8. Predictive analytics is same as forecasting.

9. True positive means correctly rejected.

10. Point out the correct statement.


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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