alR (version 2.2.0)

biodiesel2: Data on the Measurement of the oxidative stability of biodiesel.

Description

Data from an experiment at 0.33%, 0%, and 0.67% concentrations of antioxidants Orox PK, Naugard P and Anox 20 respectively, for measuring the oxidative stability of biodiesel. 4080 measurements were recorded. The experiment was conducted by Isbe van der Westhuizen en Yong Fah Mian using equipment from the CSIR, and was sponsored by Walter Focke from the Institute of Applied Materials, at the University of Pretoria.

Usage

data(biodiesel2)

Format

A data.frame with three variables:

x

The time measured in hours.

y

The conductivity value measured in S/cm.

S60

A logical indicator giving a 60% split for validation purposes.

Examples

# NOT RUN {
library(alR)
str(biodiesel2)
summary(biodiesel2)
plot(y~x, data=biodiesel2)
# }