stack.dat {robust}R Documentation

Brownlee's Stack-Loss Data

Description

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

Usage

  data(stack.dat)

Format

This data frame contains the following variables:

Loss
the percentage of ammonia lost (times 10).
Air.Flow
air flow into the plant
Water.Temp
cooling water inlet temperature.
Acid.Conc.
acid concentration as a percentage (coded by subtracting 50 and then multiplying by 10).

Source

Brownlee, K.A. (1965). Statistical Theory and Methodology in Science and Engineering. New York: John Wiley & Sons, Inc.

Examples

  data(stack.dat)
  stack.dat

[Package robust version 0.3-4 Index]