stackloss: The Brownlee stackloss data

In SMIR: Companion to Statistical Modelling in R

Description

The data consist of 21 observations on stack-loss (the loss of acid through the stack) in a chemical plant for the conversion of ammonia to nitric acid, with three explanatory variables: air flow(x1), cooling water inlet temperature(x2) and acid concentration(x3).

Usage

data(stackloss)

Format

A data.frame of 21 obs. of 4 variables:

[,1]	y	integer, loss of acid through the stack
[,2]	x1	integer, air flow
[,3]	x2	integer, cooling water inlet temperature
[,4]	x3	integer, acid concentration

Note

See p.469 of SMIR

Source

Lange, K L and Little, R J A and Taylor, J M G, (1989). "Robust statistical modeling using the $t$ distribution", J Amer Statist Assoc, 84, 881–896.

SMIR documentation built on May 29, 2017, 10:39 a.m.