Chapter 7 Class assignment

We’ll now spend the rest of class on a class assignment, with the aim of getting to know more about R markdown and learning to visualise a single distribution. To learn more about R markdown, click here, here, and here.

You can make use of this Rmarkdown file to do the assignment.

  1. Load package
library(ggplot2)
  1. Use dataset that comes with the ggplot2 package:
data(mpg, package = "ggplot2")
mpg # An example dataset on cars.
## # A tibble: 234 × 11
##    manufacturer model      displ  year   cyl trans drv     cty   hwy fl    class
##    <chr>        <chr>      <dbl> <int> <int> <chr> <chr> <int> <int> <chr> <chr>
##  1 audi         a4           1.8  1999     4 auto… f        18    29 p     comp…
##  2 audi         a4           1.8  1999     4 manu… f        21    29 p     comp…
##  3 audi         a4           2    2008     4 manu… f        20    31 p     comp…
##  4 audi         a4           2    2008     4 auto… f        21    30 p     comp…
##  5 audi         a4           2.8  1999     6 auto… f        16    26 p     comp…
##  6 audi         a4           2.8  1999     6 manu… f        18    26 p     comp…
##  7 audi         a4           3.1  2008     6 auto… f        18    27 p     comp…
##  8 audi         a4 quattro   1.8  1999     4 manu… 4        18    26 p     comp…
##  9 audi         a4 quattro   1.8  1999     4 auto… 4        16    25 p     comp…
## 10 audi         a4 quattro   2    2008     4 manu… 4        20    28 p     comp…
## # ℹ 224 more rows

  1. Visualise the distribution of the variable hwy, which reflects the fuel-efficiency of a carmodel on the highway (in miles per gallon)

  2. Try to the write the text “Hello, world!” in italics using Markdown.

  3. Try and “Knit” your document to pdf