Engineering Questions with Answers - Multiple Choice Questions
MCQs on googleVis
1 - Question
Which of the following is R interface to google charts?
a) googleVis
b) googleChart
c) googleDataVis
d) all of the mentioned
View Answer
Answer: a
Explanation: googleVis allow users to create interactive charts based on data frames.
2 - Question
Point out the wrong statement.
a) The plot command does open a graphics device in the modern way
b) Motion Chart is only displayed when hosted on a web server
c) gvisMotionChart is used to create motion chart
d) All of the mentioned
View Answer
Answer: a
Explanation: The plot command does not open a graphics device in the traditional way.
3 - Question
Which of the following create a Google Gadget based on a Google Visualization Object?
a) createGadget
b) createGoogleGadget
c) newGoogleGadget
d) all of the mentioned
View Answer
Answer: b
Explanation: createGoogleGadget returns a Google Gadget XML string.
4 - Question
Which of the following reads a data.frame and creates text output referring to the Google Visualization API?
a) gvisAnnotatedLine
b) gvisTimeLine
c) gvisAnnotatedTimeLine
d) none of the mentioned
View Answer
Answer: c
Explanation: An annotated time line is an interactive time series line chart with optional annotations.
5 - Question
Point out the correct statement.
a) gvisAnnotationChart returns list of class “gvis” and “list”
b) The gvisAreaChart function reads a data.frame and creates text output referring to the Google Visualization API
c) gvisAreaChart returns list of class “gvis” and “list”
d) All of the mentioned
View Answer
Answer: d
Explanation: This can be included into a web page, or as a stand-alone page.
6 - Question
Which of the following is used for creating interacting tables?
a) gvisGeoChart
b) gvisTable
c) gvisLineChart
d) all of the mentioned
View Answer
Answer: b
Explanation: gvisLineChart is used for creating line charts.
7 - Question
gvisAnnotatedTimeLine returns list of class “gvis” and “list”.
a) True
b) False
View Answer
Answer: a
Explanation: The chart is rendered within the browser using flash.
8 - Question
The actual chart of gvisBarChart is rendered by the web browser using _________ or VML.
a) JPEG
b) SVG
c) PDF
d) All of the mentioned
View Answer
Answer: b
Explanation: gvisBarChart reads data frame.
9 - Question
Which of the following is used for creating tree maps?
a) gvisGeoChart
b) gvisTable
c) gvisTreeMap
d) all of the mentioned
View Answer
Answer: c
Explanation: gvisGeoChart is used for interactive maps.
10 - Question
gvisAnnotationChart charts are interactive time series line charts that support annotations.
a) True
b) False
View Answer
Answer: a
Explanation: Unlike the gvisAnnotatedTimeLine, which uses flash, annotation charts are SVG/VML and should be preferred whenever possible.