Question

Use RStudio to solve this problem, thx

5. Using the 'airquality' dataset. a) b) c) d) Create side-by-side vertical boxplots to compare temperature to month for each month. Assign suitable labels and a title. Use a suitable single color for your boxplots. E,g. pink Use the rainbow color palette to color your boxplots. To do this replace col-"pink" with col-rainbow (n) where n is an integer chose by you. Try several different integers to see how the colors change. Use zoom to show your boxplots to your TA. e)

Answer 1

a) Box-plot

Calling the data into R

To view first few rows of the data enter head(airquality)

To plot box plot, the function boxplot is used as shown below

And the plot would appear as below

b) Labels and Title

The labels are given to the above plot using the keywords xlab for x-axis labels and ylab for y-axis labels. Title is given using the keyword main as show below.

In the data description it is given that the temperature is collected in degrees F. Therefore, y-axis label will be "Temperature (degrees F)" and x-axis label will be "Month". The title of the graph can be given as "Boxplot of Temperature by Month"

The function is given as

And the result is given as

c) Color

Color for the plot is given using the keyword col as shown below

Result:

d) Color palette:

Rainbow color palette is used as below with integer 5

Result:

When the integer is changed from 5 to 8 the below graph appears

e) Zoom

Click Zoom in the plot viewer, right click on the plot and save the plot