Data Science

Plotting Systems

Question 1
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Which type of graph is shown in the following figure?
Scatterplot
Barplot
Overlaying
None of the mentioned
Explanation:
A bar plot represents an estimate of central tendency for a numeric variable with the height of each rectangle.
Question 2
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How many stages commonly occurs in creation of plot?
2
5
8
All of the mentioned
Explanation:
The base plotting system is highly flexible.
Question 3
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Which of the following block information is odd man out in the below figure?
Scatterplots
5 number summary
2D Graph
None of the mentioned
Explanation:
5 number summary is one dimensional graph.
Question 4
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Which of the following package is implemented by lattice plotting system?
grDevices
grid
graphics
all of the mentioned
Explanation:
Use grid on to display the major grid lines.
Question 5
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Base graphics are used most commonly for creating 2D graphics.
True
False
Explanation:
Base graphics is a very powerful system for creating 2D graphics.
Question 6
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Which of the following annotation function is used to add or modify text?
word
graph
lines
all of the mentioned
Explanation:
points and axis are other well known annotation function.
Question 7
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Point out the wrong statement.
Plot are created with multiple functions only
Plots are created with both single and multiple function calls
Annotation in plot is not especially intuitive
None of the mentioned
Explanation:
Plots are created with single function also.
Question 8
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Which of the following parameter defines line type such as dashed and dotted?
lty
pch
lwd
all of the mentioned
Explanation:
lwd is used for line width.
Question 9
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The core plotting engine is encapsulated in graphics package.
True
False
Explanation:
graphics package contain plotting functions.
Question 10
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Which of the following argument specifies margin size with regards to par function?
las
bg
mar
all of the mentioned
Explanation:
par function is used to specify global parameters.