Data Science Miscellaneous - Practice Test

[#256] Which of the following is alternative technique toprincipal component analysis?

(A) Factor analysis

(B) Independent components analysis

(C) Latent semantic analysis

(D) All of the mentioned

Correct Answer

(D) All of the mentioned

[#257] Which of the following graphs has properties in the below figure?

(A) Exploratory

(B) Inferential

(C) Causal

(D) None of the mentioned

Correct Answer

(A) Exploratory

[#258] Which of the following is required to implement a literate programming system?

(A) A programming language like Perl

(B) A programming language like Java

(C) A programming language like R

(D) All of the mentioned

(E) A programming language like Perl

(F) A programming language like Java

(G) A programming language like R

(H) All of the mentioned

Correct Answer

(C) A programming language like R
(G) A programming language like R

[#259] Which of the following mean is a mixture of the MLE and the prior mean?

(A) interior

(B) exterior

(C) posterior

(D) all of the mentioned

Correct Answer

(C) posterior

[#260] Which of the following is example use of Poisson distribution?

(A) Analyzing contingency table data

(B) Modeling web traffic hits

(C) Incidence rates

(D) All of the mentioned

Correct Answer

(D) All of the mentioned

Data Science Miscellaneous - Study Mode

[#256] Which of the following is alternative technique toprincipal component analysis?

Correct Answer

[#257] Which of the following graphs has properties in the below figure?

Correct Answer

[#258] Which of the following is required to implement a literate programming system?

Correct Answer

[#259] Which of the following mean is a mixture of the MLE and the prior mean?

Correct Answer

[#260] Which of the following is example use of Poisson distribution?

Correct Answer