airpc

<p>These data list the first two principal component scores from the
aircraft data, which record six characteristics of aircraft designs 
throughout the twentieth century.</p>
<p>The variables are:</p><table class="table">
<tr><td><code>Comp.1:</code></td><td>first principal component score</td></tr>
<tr><td><code>Comp.2:</code></td><td>second principal component score</td></tr>
<tr><td><code>Yr:</code></td><td>year of first manufacture</td></tr>
<tr><td><code>Period:</code></td><td>a code to indicate one of three broad time periods</td></tr>
</table><p></p><p>
</p><p>The data were collected by P. Saviotti and are described in detail
	in Saviotti (1996), "Technological Evolution, Variety and Economy",
	Edward Elgar: Cheltenham.</p>

regression

smooth

This is software linked to the book
'Applied Smoothing Techniques for Data Analysis -
The Kernel Approach with S-Plus Illustrations' Oxford University Press.

Adrian Bowman

Smoothing Methods for Nonparametric Regression and Density
Estimation

airpc function

<p>These data list the first two principal component scores from the
aircraft data, which record six characteristics of aircraft designs 
throughout the twentieth century.</p>
<p>The variables are:</p><table class='table'>
<tr><td><code>Comp.1:</code></td><td>first principal component score</td></tr>
<tr><td><code>Comp.2:</code></td><td>second principal component score</td></tr>
<tr><td><code>Yr:</code></td><td>year of first manufacture</td></tr>
<tr><td><code>Period:</code></td><td>a code to indicate one of three broad time periods</td></tr>
</table>


<p>The data were collected by P. Saviotti and are described in detail
	in Saviotti (1996), "Technological Evolution, Variety and Economy",
	Edward Elgar: Cheltenham.</p>

These data list the first two principal component scores from the
aircraft data, which record six characteristics of aircraft designs 
throughout the twentieth century — airpc

These data list the first two principal component scores from the
aircraft data, which record six characteristics of aircraft designs 
throughout the twentieth century

airpc: These data list the first two principal component scores from the aircraft data, which record six characteristics of aircraft designs throughout the twentieth century

Description

Arguments

`Comp.1:`	first principal component score
`Comp.2:`	second principal component score
`Yr:`	year of first manufacture
`Period:`	a code to indicate one of three broad time periods