Normalized Aitchison distance between two data sets
Usage
ced(x, y, ni)
Arguments
x
matrix or data frame
y
matrix or data frame of the same size as x
ni
normalization parameter. See details below.
Value
the compositinal error distance
Details
This function has been mainly written for procudures
that evaluate imputation or replacement of rounded zeros. The ni parameter can thus, e.g. be
used for expressing the number of rounded zeros.
References
Hron, K., Templ, M., Filzmoser, P. (2010) Imputation of
missing values for compositional data using classical and robust methods
Computational Statistics and Data Analysis, 54 (12),
3095-3107.
Templ, M., Hron, K., Filzmoser, P., Gardlo, A. (2016).
Imputation of rounded zeros for high-dimensional compositional data.
Chemometrics and Intelligent Laboratory Systems, 155, 183-190.