Learning R for Data Visualization (Video 22)
Interactive Video
•
Information Technology (IT), Architecture, Social Studies
•
University
•
Practice Problem
•
Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main focus of this video tutorial?
Exploring bar charts
Learning ggplot2 syntax
Creating histograms and box plots
Installing R Charts
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which function is used to calculate bins and frequencies for histograms in R Charts?
plot
test
calculate
hist
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you change the color of bars in a histogram using R Charts?
By adjusting the 'colorScheme' setting
By changing the 'barColor' property
By using the 'setColor' function
By modifying the 'color' option in the plot function
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in creating a box plot using R Charts?
Calculating statistics for the box plot
Plotting the data directly
Setting the plot type to 'box'
Using the 'boxPlot' function
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you specify that each box plot represents a state in R Charts?
By defining the 'statePlot' property
By configuring the 'X axis' option
By setting the 'state' option
By using the 'stateLabel' function
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