stack.dat

These data are from the operation of a plant for the oxidation of ammonia to nitric acid, measured on 21 consecutive days.

datasets

Methods for robust statistics, a state of the art in the early
2000s, notably for robust regression and robust multivariate analysis.

Valentin Todorov

robust

Port of the S+ "Robust Library"

Jiahui Wang

Ruben Zamar

Alfio Marazzi

Victor Yohai

Matias Salibian-Barrera

Ricardo Maronna

Eric Zivot

David Rocke

Doug Martin

Martin Maechler

Kjell Konis

stack.dat function

This data frame contains the following variables:
<dl>
 <dt>Loss</dt>
<dd>the percentage of ammonia lost (times 10).</dd>
 <dt>Air.Flow</dt>
<dd>air flow into the plant</dd>
 <dt>Water.Temp</dt>
<dd>cooling water inlet temperature.</dd>
 <dt>Acid.Conc.</dt>
<dd>acid concentration as a percentage (coded by subtracting 50 and then multiplying by 10).</dd> 
</dl>

Format

Brownlee's Stack-Loss Data — stack.dat

This data frame contains the following variables:
<dl>
 <dt>Loss</dt>
<dd>the percentage of ammonia lost (times 10).</dd>


 <dt>Air.Flow</dt>
<dd>air flow into the plant</dd>


 <dt>Water.Temp</dt>
<dd>cooling water inlet temperature.</dd>


 <dt>Acid.Conc.</dt>
<dd>acid concentration as a percentage (coded by subtracting 50 and then multiplying by 10).</dd>

 
</dl>

Brownlee's Stack-Loss Data

stack.dat: Brownlee's Stack-Loss Data

Description

Usage

Arguments

Format

Examples