condense | R Documentation |
Splits the data into subsets and computes compositional mean for each.
condense(x, ...)
## S4 method for signature 'CompositionMatrix'
condense(x, by, ignore_na = FALSE, ignore_zero = TRUE, verbose = FALSE, ...)
## S4 method for signature 'GroupedComposition'
condense(
x,
by = NULL,
ignore_na = FALSE,
ignore_zero = TRUE,
verbose = FALSE,
...
)
x |
A |
... |
Currently not used. |
by |
A |
ignore_na |
A |
ignore_zero |
A |
verbose |
A |
A CompositionMatrix
object.
N. Frerebeau
mean()
, aggregate()
Other statistics:
aggregate()
,
covariance()
,
dist
,
mahalanobis()
,
margin()
,
mean()
,
pip()
,
quantile()
,
scale()
,
variance()
,
variance_total()
,
variation()
## Data from Aitchison 1986
data("slides")
## Coerce to a compositional matrix
coda <- as_composition(slides, groups = 2)
## Compositional mean by group
condense(coda)
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