butterfat.df: Butterfat Data
In s20x: Functions for University of Auckland Course STATS 201/208 Data Analysis
butterfat.df R Documentation
Butterfat Data
Description
This data gives the mean percentage of butterfat produced by different
Canadian pure-bred diary cattle. There are five different breeds and two age
groups, two years old and greater than five years old. For each combination
of breed and age, there are measurements for 10 cows.
Format
A data frame with 100 observations on 3 variables.
[,1] Butterfat numeric Mean percentage of butterfat per cow
[,2] Breed factor Breed (ayrshire, canadian, guernesy,
holst.fres, jersey)
[,3] Age factor Age group (2yo,
mature)
Source
A Handbook of Small Data Sets
References
Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J. and Ostrowski,
E. (1994). A Handbook of Small Data Sets. Boca Raton, Florida:
Chapman and Hall/CRC.
Sokal, R.R. and Rohlf, F.J. (1981). Biometry, 2nd edition. San
Francisco: W.H. Freeman, 368.
s20x documentation built on Aug. 21, 2023, 5:07 p.m.
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| butterfat.df | R Documentation |
Butterfat Data
Description
This data gives the mean percentage of butterfat produced by different Canadian pure-bred diary cattle. There are five different breeds and two age groups, two years old and greater than five years old. For each combination of breed and age, there are measurements for 10 cows.
Format
A data frame with 100 observations on 3 variables.
| [,1] | Butterfat | numeric | Mean percentage of butterfat per cow |
| [,2] | Breed | factor | Breed (ayrshire, canadian, guernesy, holst.fres, jersey) |
| [,3] | Age | factor | Age group (2yo, mature) |
Source
A Handbook of Small Data Sets
References
Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J. and Ostrowski, E. (1994). A Handbook of Small Data Sets. Boca Raton, Florida: Chapman and Hall/CRC.
Sokal, R.R. and Rohlf, F.J. (1981). Biometry, 2nd edition. San Francisco: W.H. Freeman, 368.
R Package Documentation
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Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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