Which of the following built-in datasets is tidy (you can pick more than one):

1. BJsales
2. EuStockMarkets
3. DNase
4. Formaldehyde
5. Orange
6. UCBAdmissions

You can load each of these datasets in Rstudio using:

library(dslabs)
data(NameOfDataset)

store your answer in a vector named solution. For example:

solution <- c(2,6)