coffee: coffee data set
In robCompositions: Compositional Data Analysis
coffee R Documentation
coffee data set
Description
30 commercially available coffee samples of different origins.
Usage
data(coffee)
Format
A data frame with 30 observations and 7 variables.
Details
sort sort of coffee
acit acetic acid
metpyr methylpyrazine
furfu furfural
furfualc furfuryl alcohol
dimeth 2,6 dimethylpyrazine
met5 5-methylfurfural
In the original data set, 15 volatile compounds (descriptors of coffee aroma) were selected for a statistical analysis. We selected six compounds (compositional parts) on three sorts of coffee.
Author(s)
Matthias Templ matthias.templ@tuwien.ac.at, Karel Hron
References
M. Korhonov\'a, K. Hron, D. Klimc\'ikov\'a, L. Muller, P. Bedn\'ar, and P. Bart\'ak (2009). Coffee aroma - statistical analysis of compositional data. Talanta, 80(2): 710–715.
Examples
data(coffee)
str(coffee)
summary(coffee)
robCompositions documentation built on Aug. 22, 2025, 5:11 p.m.
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| coffee | R Documentation |
coffee data set
Description
30 commercially available coffee samples of different origins.
Usage
data(coffee)
Format
A data frame with 30 observations and 7 variables.
Details
sortsort of coffee
acitacetic acid
metpyrmethylpyrazine
furfufurfural
furfualcfurfuryl alcohol
dimeth2,6 dimethylpyrazine
met55-methylfurfural
In the original data set, 15 volatile compounds (descriptors of coffee aroma) were selected for a statistical analysis. We selected six compounds (compositional parts) on three sorts of coffee.
Author(s)
Matthias Templ matthias.templ@tuwien.ac.at, Karel Hron
References
M. Korhonov\'a, K. Hron, D. Klimc\'ikov\'a, L. Muller, P. Bedn\'ar, and P. Bart\'ak (2009). Coffee aroma - statistical analysis of compositional data. Talanta, 80(2): 710–715.
Examples
data(coffee)
str(coffee)
summary(coffee)
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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