Classwork 5

Pandas Basics - Loading, Summarizing, Selecting, Counting, Sorting, and Indexing Data

Direction

The nfl.csv file (with its pathname https://bcdanl.github.io/data/nfl.csv) contains a list of players in the National Football League with similar Name, Team, Position, Birthday, and Salary variables in the nba.csv file.

Question 1

• How can we read the nfl.csv file, and assign it to a DataFrame object, nfl?
• What is an effective way to convert the values in its Birthday variable to datetimes?

Answer:

Question 2

• How many observations are in nfl?
• What are the mean, median, standard deviation, minimum, and maximum of Salary in nfl?

Answer:

Question 3

• How can we count the number of players per team in nfl?
• How many unique teams are in nfl?

Answer:

Question 4

• Who are the five highest-paid players?
• Who is the oldest player?

Answer:

Question 5

How can we sort the DataFrame first by Team in alphabetical order and then by Salary in descending order?

Answer:

Question 6

How do we set the player names as the DataFrame index?

Answer:

Question 7

Who is the oldest player on the Kansas City Chiefs roster, and what is his birthday?

Answer:

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