For this homework, make sure to load the tidyverse package and the billboard dataset.

library$($tidyverse$)$

data$($billboard$)$

Convert the dataset to long format and save it as bb$\_$long. Answer the questions using $R$ commands with the bb$\_$long long$-$format dataset: For each question, use at least one dplyr verb, and maximize the use of dplyr verbs as much as possible throughout.

Subset the bb$\_$long dataset, including only the artist," "track," and "date.entered" columns, and sort the data based on the billboard entry date.

Extract the rows for the artists "Badu, Erkyah" or "Nas" from the bb$\_$long dataset, and find their rank in the first week.

How many songs in the bb$\_$long dataset achieved a rank within the top $50$ in the first week?

What is the median number of weeks that songs stayed on the Billboard $100$ chart in the bb$\_$long dataset?

Find the artist and song that stayed the longest on the Billboard $100$ chart in the bb$\_$long dataset and determine the number of weeks.

$($Optional Task$)$ Find the top $10$ artists and tracks in the first week of $2000.$