Exam #2

Your Name

Total points: 40 [Take-home part]

Submit by: 11:59 PM on April 28, 2026

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Important Instructions:

• Work independently and do not consult with anyone during the exam.
  
• Save your app file as your Last Name_Exam2_App.R and attach separately 
• Submit your app file only on Moodle
• You must follow the DePauw’s Academic Integrity Policy.

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Question. Consider the following four data sets, which include the number of views and fans in the last 30 days and 90 days for a TikTok account:

[40 pts.]

My views 30 days.csv
My views 90 days.csv
My fans 30 days.csv
My fans 90 days.csv

Use these data sets to create a single app that allows users to choose a data set, select dates, and choose colors. The appearance of your app should be similar to the one provided below. After developing your app, test it with the data to ensure that it is functioning correctly, and also match the results given below.