Cows: Butterfat of Cows
In PASWR: Probability and Statistics with R
Cows R Documentation
Butterfat of Cows
Description
Random samples of ten mature (five-year-old and older) and ten two-year-old
cows were taken from each of five breeds. The average butterfat percentage
of these 100 cows is stored in the variable butterfat with the type
of cow stored in the variable breed and the age of the cow stored in
the variable age.
Format
A data frame with 100 observations on the following 3 variables:
- butterfat
average butterfat percentage
- age
a factor with levels 2 years old and
Mature
- breed
a factor with levels Ayrshire,
Canadian, Guernsey, Holstein-Friesian, and
Jersey
Source
Canadian record book of purebreed diary cattle.
References
Sokal, R. R. and Rohlf, F. J. (1994) Biometry. W. H.
Freeman, New York, third edition.
Examples
summary(aov(butterfat ~ breed + age, data = Cows))
PASWR documentation built on May 15, 2022, 5:05 p.m.
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| Cows | R Documentation |
Butterfat of Cows
Description
Random samples of ten mature (five-year-old and older) and ten two-year-old
cows were taken from each of five breeds. The average butterfat percentage
of these 100 cows is stored in the variable butterfat with the type
of cow stored in the variable breed and the age of the cow stored in
the variable age.
Format
A data frame with 100 observations on the following 3 variables:
- butterfat
average butterfat percentage
- age
a factor with levels
2 years oldandMature- breed
a factor with levels
Ayrshire,Canadian,Guernsey,Holstein-Friesian, andJersey
Source
Canadian record book of purebreed diary cattle.
References
Sokal, R. R. and Rohlf, F. J. (1994) Biometry. W. H. Freeman, New York, third edition.
Examples
summary(aov(butterfat ~ breed + age, data = Cows))
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.
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