Introduction to dplyr

Code and text for Quiz 3.

Load the packages that we need

Read the data into R.

Let’s look at Westrock in the corp_tax tibble.

# A tibble: 1 x 5
  company  profit   tax tax_rate industry                   
  <chr>     <dbl> <dbl>    <dbl> <chr>                      
1 Westrock   710. -4.10 -0.00578 Miscellaneous manufacturing

Westrock is in the Miscellaneous manufacturing industry. It had profit of $709.9 million and tax of $-4.1 million. Its tax rate was -0.6%.

Let’s find the company in the Utilities, gas and electric indsutry with the highest profit

# A tibble: 1 x 5
  company        profit   tax tax_rate industry                   
  <chr>           <dbl> <dbl>    <dbl> <chr>                      
1 NextEra Energy   7289    30  0.00412 Utilities, gas and electric

NextEra Energy is in Utilities, gas and electric industry with the highest profit. It had profit of $7289 million and tax of $30 million. Its tax rate was 0.4%.