TIPS

One waiter recorded information about each tip he received over a period of a few months working in one restaurant. He collected several variables:

datasets

Contains basic tools for visualizing, interpreting, and building regression models. It has been designed for use with the book Introduction to Regression and Modeling with R by Adam Petrie, Cognella Publishers, ISBN: 978-1-63189-250-9 <https://titles.cognella.com/introduction-to-regression-and-modeling-with-r-9781631892509>.

Adam Petrie

regclass

Tools for an Introductory Class in Regression and Modeling

TIPS function

A data frame with 244 observations on the following 8 variables.<dl class="dl-horizontal">
 <dt><code>TipPercentage</code></dt><dd>a numeric vector, the tip written as a percentage (0-100) of the total bill</dd>
 <dt><code>Bill</code></dt><dd>a numeric vector, the bill amount (dollars)</dd>
 <dt><code>Tip</code></dt><dd>a numeric vector, the tip amount (dollars)</dd>
 <dt><code>Gender</code></dt><dd>a factor with levels <code>Female</code> <code>Male</code>, gender of the payer of the bill</dd>
 <dt><code>Smoker</code></dt><dd>a factor with levels <code>No</code> <code>Yes</code>, whether the party included smokers</dd>
 <dt><code>Weekday</code></dt><dd>a factor with levels <code>Friday</code> <code>Saturday</code> <code>Sunday</code> <code>Thursday</code>, day of the week</dd>
 <dt><code>Time</code></dt><dd>a factor with levels <code>Day</code> <code>Night</code>, rough time of day</dd>
 <dt><code>PartySize</code></dt><dd>a numeric vector, number of people in party</dd>
 </dl>

Format

TIPS dataset — TIPS

A data frame with 244 observations on the following 8 variables.<dl class='dl-horizontal'>
 <dt><code>TipPercentage</code></dt><dd>a numeric vector, the tip written as a percentage (0-100) of the total bill</dd>
 <dt><code>Bill</code></dt><dd>a numeric vector, the bill amount (dollars)</dd>
 <dt><code>Tip</code></dt><dd>a numeric vector, the tip amount (dollars)</dd>
 <dt><code>Gender</code></dt><dd>a factor with levels <code>Female</code> <code>Male</code>, gender of the payer of the bill</dd>
 <dt><code>Smoker</code></dt><dd>a factor with levels <code>No</code> <code>Yes</code>, whether the party included smokers</dd>
 <dt><code>Weekday</code></dt><dd>a factor with levels <code>Friday</code> <code>Saturday</code> <code>Sunday</code> <code>Thursday</code>, day of the week</dd>
 <dt><code>Time</code></dt><dd>a factor with levels <code>Day</code> <code>Night</code>, rough time of day</dd>
 <dt><code>PartySize</code></dt><dd>a numeric vector, number of people in party</dd>
 </dl>

TIPS: TIPS dataset

Description

Usage

Arguments

Format