<p>Data from an experiment in which a single-cylinder engine was run
    with ethanol to see how the NOx concentration in the exhaust
    depended on the compression ratio and the equivalence ratio.</p>

datasets

A comprehensive package for structural multivariate
function estimation using smoothing splines.

Chong Gu

General Smoothing Splines

nox function

<p>A data frame containing 88 observations on the following variables.</p><table class="table">
<tr><td><code>nox</code></td><td>NOx concentration in exhaust.</td></tr>
<tr><td><code>comp</code></td><td>Compression ratio.</td></tr>
<tr><td><code>equi</code></td><td>Equivalence ratio.</td></tr>
</table><p></p><p></p>

Format

NOx in Engine Exhaust — nox

<p>A data frame containing 88 observations on the following variables.</p><table class='table'>
<tr><td><code>nox</code></td><td>NOx concentration in exhaust.</td></tr>
<tr><td><code>comp</code></td><td>Compression ratio.</td></tr>
<tr><td><code>equi</code></td><td>Equivalence ratio.</td></tr>
</table>



nox: NOx in Engine Exhaust

Description

Usage

Arguments

Format

References

`nox`	NOx concentration in exhaust.
`comp`	Compression ratio.
`equi`	Equivalence ratio.