Data Analysis and Research All MCQ part-3

Que.Which of the following is the second goal of PCA?
a. data compression
b. statistical analysis
c. data dredging
d. all of the mentioned
Que.dev.copy2pdf specifically copy a plot to a PDF file.
a. True
b. False
c. May be True or False
d. Can’t say
Que.Which of the following is a vector file device?
a. png
b. svg
c. bmp
d. none of the mentioned
Que.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
Que.Every open graphics device is assigned an integer greater than 2.
a. True
b. False
c. May be True or False
d. Can’t say
Que.Which of the following annotation function is used to add or modify text?
a. word
b. graph
c. lines
d. all of the mentioned
Que.Which of the following package is implemented by lattice plotting system?
a. grDevices
b. grid
c. graphics
d. all of the mentioned
Que.Point out the wrong statement.
a. Plot are created with multiple functions only
b. Plots are created with both single and multiple function calls
c. Annotation in plot is not especially intuitive
d. None of the mentioned
Que.Which of the following parameter defines line type such as dashed and dotted?
a. lty
b. pch
c. lwd
d. all of the mentioned
Que.The core plotting engine is encapsulated in graphics package.
a. True
b. False
c. May be True or False
d. Can’t say
Que.Which of the following argument specifies margin size with regards to par function?
a. las
b. bg
c. mar
d. all of the mentioned

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