tips code copied

Tips received by a waiter over a several-month period at a restaurant

Dimension

• 244 instances (rows)
• 7 features (columns)

Description

The tip that a server at a restaurant receives may be influenced by several factors, such as size of the party, the time of day, and the day of the week. In one restaurant, a waiter recorded the following data on all customers they served during an interval of two and a half months in early 1990. The restaurant was a national chain restaurant located in a suburban shopping mall with a smoking and a non-smoking section.

Variables

• TotBill: Cost of the meal, including tax, in US dollars
• Tip: Gratuity, in US dollars
• Sex: Sex of person paying for the meal (M=male, F=female)
• Smoker: Smoker in party? (No, Yes)
• Day: (Thu, Fri, Sat, Sun)
• Time: (Day, Night)
• Size: Size of the party

Reference

The original data comes from:

Bryant PG and Smith MA (1995). Practical Data Analysis: Case Studies in Business Statistics.

I obtained the data from:

Cook D and Swayne DF (2007). Interactive and Dynamic Graphics for Data Analysis: With R and GGobi.

This version is slightly reformatted from the version in Cook and Swayne’s book.