str

We're going to be using the following dataset for this module. Run this code in the console.

library(dslabs)
data(murders)

Next, use the function str to examine the structure of the murders object. We can see that this object is a data frame with 51 rows and five columns.

Which of the following best describes the variables represented in this data frame:

Possible answers

The 51 states

The murder rates for all 50 states and DC

The state name, the abbreviation of the state name, the state's region, and the state's population and the total number of murders for 2010.

str shows no relevant information

Exercise

str

Instructions

Possible answers