Data Science Miscellaneous MCQ Questions and Answers | Data Science MCQs

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41.
Point out the wrong statement.

A. ipython is an enhanced interactive Python shell

B. matplotlib will enable you to plot graphics

C. rPy provides a lot of scientific routines that work on top of NumPy

D. all of the mentioned

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42.
Which of the following returns an array of ones with the same shape and type as a given array?

A. all_like

B. ones_like

C. one_alike

D. all of the mentioned

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43.
The core plotting engine is encapsulated in graphics package.

A. True

B. False

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44.
Which of the following set the floating-point error callback function or log object?

A. setter

B. settercall

C. setterstack

D. all of the mentioned

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45.
Point out the wrong statement.

A. k-means clustering is a method of vector quantization

B. k-means clustering aims to partition n observations into k clusters

C. k-nearest neighbor is same as k-means

D. none of the mentioned

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46.
Literate program code is live-automatic "regression test" when building a document.

A. True

B. False

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47.
Point out the wrong statement.

A. Regression through the origin yields an equivalent slope if you center the data first

B. Normalizing variables results in the slope being the correlation

C. Least squares is not an estimation tool

D. None of the mentioned

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48.
The document produced by knitr document has which of the following extension?

A. .md

B. .rmd

C. .html

D. none of the mentioned

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49.
Which of the following way is required to make work reproducible?

A. keep track of things

B. Save output

C. Save data in proprietary formats

D. None of the mentioned

Answer & Solution Discuss in Board Save for Later

50.
For continuous random variables, the CDF is the derivative of the PDF.

A. True

B. False

Answer & Solution Discuss in Board Save for Later

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Data Science Miscellaneous MCQ Questions and Answers | Data Science MCQs

41. Point out the wrong statement.

Answer & Solution

42. Which of the following returns an array of ones with the same shape and type as a given array?

Answer & Solution

43. The core plotting engine is encapsulated in graphics package.

Answer & Solution

44. Which of the following set the floating-point error callback function or log object?

Answer & Solution

45. Point out the wrong statement.

Answer & Solution

46. Literate program code is live-automatic "regression test" when building a document.

Answer & Solution

47. Point out the wrong statement.

Answer & Solution

48. The document produced by knitr document has which of the following extension?

Answer & Solution

49. Which of the following way is required to make work reproducible?

Answer & Solution

50. For continuous random variables, the CDF is the derivative of the PDF.

Answer & Solution

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41.
Point out the wrong statement.

42.
Which of the following returns an array of ones with the same shape and type as a given array?

43.
The core plotting engine is encapsulated in graphics package.

44.
Which of the following set the floating-point error callback function or log object?

45.
Point out the wrong statement.

46.
Literate program code is live-automatic "regression test" when building a document.

47.
Point out the wrong statement.

48.
The document produced by knitr document has which of the following extension?

49.
Which of the following way is required to make work reproducible?

50.
For continuous random variables, the CDF is the derivative of the PDF.