LogRatio-class function

Log-Ratio Matrix

S4 classes to represent log-ratio data transformations. class

is_logratio(object)

Arguments

• object: A LogRatio object.

Slots

• totals: A numeric vector to store the absolute row sums (before the closure of the compositions).
• parts: A character vector to store the original part names.
• ratio: A character vector to store the ratio names.
• order: An integer vector to store the original ordering of the columns.
• base: A numeric matrix to store the basis of the transformation.
• weights: A numeric vector to store the weights assigned to the respective log-ratios.

Note

These classes inherit from matrix.

Coerce

In the code snippets below, x is a LogRatio object.

• as.data.frame(x): Coerces to a data.frame.

See Also

transform_lr(), transform_clr(), transform_alr(), transform_ilr(), transform_plr()

Other classes: CompositionMatrix-class, GroupedComposition-class, GroupedLogRatio-class, NumericMatrix-class, OutlierIndex-class, ReferenceGroups-class

Author(s)

N. Frerebeau