Changes in version 1.0.5 (2026-03-04)                  

    o   plot_balance() allows statistics

    o   code optimised

                        Changes in version 0.5.3                        

    o   sbp_basis() completes partition to obtain a basis

                        Changes in version 0.4.3                        

    o   center() and gmean() functions incorporated.

                        Changes in version 0.4.2                        

    o   Pairwise default name changed to lr instead of alr.

    o   Sparse matrices are used for logcontrast matrices of balances.

    o   Problem with constrained principal balances detected and solved.

                        Changes in version 0.3.2                        

    o   `coord()` and `comp()` are included as a shorter names of `coordinates()` and `composition()`.

    o   Basis names taken from composition.

    o   Coordinates based on pairwise log-ratios available with `pairwise_basis()` or basis = 'pw' in function coordinates().

    o   Parameter label removed in function coordinates().

                 Changes in version 0.3.1 (2020-05-14)                  

    o   PB constrained approximation available. Adaptation of code provided by J.A.Martín-Fernández.

    o   PB exact algorithm rewritten to improve performance.

    o   PB local search algorithm removed.

                 Changes in version 0.2.2 (2020-04-16)                  

    o   MASS dependence removed

    o   Code reorganised to avoid repetition.

                 Changes in version 0.2.1 (2019-07-02)                  

    o   ?_basis functions always return a matrix

    o   consistencies between methods improved

                 Changes in version 0.1.12 (2019-04-15)                 

    o   coordinates function keeps row.names attribute

    o   Principal components calculations are done using svd function which is faster than princomp

    o   sbp_basis function does not need package to be loaded, can run as coda.base::sbp_basis()

                 Changes in version 0.1.11 (2019-01-15)                 

    o   Principal components coordinates uncentered.

    o   Sequential binary partition can be defined using a matrix with -1,0 and 1's.

    o   CoDaPack's basis included.

    o   A vignette explaining how to build coordinates has been included.

                 Changes in version 0.1.10 (2018-08-06)                 

    o   Principal Balances included as direct method in coordinates function.

    o   Coordinates function filters non-valid compositions.

                 Changes in version 0.1.9 (2018-05-09)                  

    o   Modifications included to rcran policies.

                 Changes in version 0.1.8 (2017-12-03)                  

    o   Exact algorithm for Principal Balances included.

    o   Bug in lsearch base in principal components solved.

                 Changes in version 0.1.7 (2017-09-26)                  

    o   Problem with function composition using 'clr' basis solved.

    o   'coda.base.basis' option included to hide the basis when printing the coordinates.

    o   New method which uses the principal components included in pb_basis.

    o   Documentaion improved.