PizzaSize

The diameter of 12-inch pizzas from two companies.

datasets

Provides most of the data files used in the textbook "Scientific Research and Methodology" by Dunn (2025, ISBN:9781032496726; forthcoming).

Peter K Dunn

SRMData

Data Files Supporting "Scientific Research and Methodology" by
Peter K. Dunn (2025)

Peter K. Dunn 

PizzaSize function

A data frame with 250 rows (one per pizza) and 5 columns:<dl>
 <dt>Store</dt>
<dd>the pizza chain; one of <code>Dominos</code> (Domino's Pizza) or 
 <code>EagleBoys</code> (Eagle Boy's Pizza)</dd> <dt>CrustDescription</dt>
<dd>the type of crust for the pizza; one of 
 <code>ClassicCrust</code>, <code>DeepPan</code>, <code>MidCrust</code>, 
 <code>ThinCrust</code> or <code>ThinNCrispy</code> 
 (some unique to one pizza company)</dd> <dt>Topping</dt>
<dd>the type of pizza topping; one of <code>BBQMeatlovers</code>, 
 <code>Hawaiian</code>, <code>SuperSupremo</code> or <code>Supreme</code> 
 (some unique to one pizza company)</dd> <dt>Diameter</dt>
<dd>the pizza diameter, in cm)</dd> <dt>DiameterInches</dt>
<dd>the pizza diameter, in inches (converted from cm)</dd>
</dl>

Format

Diameters of pizzas — PizzaSize

A data frame with 250 rows (one per pizza) and 5 columns:<dl>
 <dt>Store</dt>
<dd>the pizza chain; one of <code>Dominos</code> (Domino's Pizza) or 
 <code>EagleBoys</code> (Eagle Boy's Pizza)</dd>

 <dt>CrustDescription</dt>
<dd>the type of crust for the pizza; one of 
 <code>ClassicCrust</code>, <code>DeepPan</code>, <code>MidCrust</code>, 
 <code>ThinCrust</code> or <code>ThinNCrispy</code> 
 (some unique to one pizza company)</dd>

 <dt>Topping</dt>
<dd>the type of pizza topping; one of <code>BBQMeatlovers</code>, 
 <code>Hawaiian</code>, <code>SuperSupremo</code> or <code>Supreme</code> 
 (some unique to one pizza company)</dd>

 <dt>Diameter</dt>
<dd>the pizza diameter, in cm)</dd>

 <dt>DiameterInches</dt>
<dd>the pizza diameter, in inches (converted from cm)</dd>


</dl>

PizzaSize: Diameters of pizzas

Description

Usage

Arguments

Format