field.concrete: Field Concrete Mixture Data
In SMPracticals: Practicals for Use with Davison (2003) Statistical Models
Description
Usage
Format
Source
References
Examples
Description
Data from a 4x4 Latin square experiment on the efficiency of
a field concrete mixer.
Usage
1
Format
A data frame with 16 observations on the following 4 variables.
- efficiency
a numeric vector
- speed
a factor with levels 4, 8, 12, 16 mph.
- run
order in which runs were performed each day
- day
day on which runs were performed
Source
Unpublished lecture notes, Imperial College, London.
References
Davison, A. C. (2003) Statistical Models. Cambridge University Press.
Page 435.
Examples
1
2
3
4
5
6
data(field.concrete)
fit <- lm(efficiency~run+day+speed,data=field.concrete)
anova(fit)
summary(fit)
fit <- lm(efficiency~run+day+poly(as.numeric(speed),3),data=field.concrete)
summary(fit)
SMPracticals documentation built on May 2, 2019, 11:12 a.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Description Usage Format Source References Examples
Description
Data from a 4x4 Latin square experiment on the efficiency of a field concrete mixer.
Usage
1 |
Format
A data frame with 16 observations on the following 4 variables.
- efficiency
a numeric vector
- speed
a factor with levels 4, 8, 12, 16 mph.
- run
order in which runs were performed each day
- day
day on which runs were performed
Source
Unpublished lecture notes, Imperial College, London.
References
Davison, A. C. (2003) Statistical Models. Cambridge University Press. Page 435.
Examples
1 2 3 4 5 6 | data(field.concrete)
fit <- lm(efficiency~run+day+speed,data=field.concrete)
anova(fit)
summary(fit)
fit <- lm(efficiency~run+day+poly(as.numeric(speed),3),data=field.concrete)
summary(fit)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.