Creating a data frame (2)
The planets_df data frame should have 8 observations and 5 variables. It has been made available in the workspace, so you can directly use it.
This exercise is part of the course
Introduction to R
Exercise instructions
Use str() to investigate the structure of the new planets_df variable.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# Check the structure of planets_df