coda.base 0.5.3 =============== * sbp_basis() completes partition to obtain a basis coda.base 0.4.3 =============== * center() and gmean() functions incorporated. coda.base 0.4.2 =============== * Pairwise default name changed to lr instead of alr. * Sparse matrices are used for logcontrast matrices of balances. * Problem with constrained principal balances detected and solved. coda.base 0.3.2 (Release date: 2022-03-13) =============== * `coord()` and `comp()` are included as a shorter names of `coordinates()` and `composition()`. * Basis names taken from composition. * Coordinates based on pairwise log-ratios available with `pairwise_basis()` or basis = 'pw' in function coordinates(). * Parameter label removed in function coordinates(). coda.base 0.3.1 =============== * PB constrained approximation available. Adaptation of code provided by J.A.Martín-Fernández. * PB exact algorithm rewritten to improve performance. * PB local search algorithm removed. coda.base 0.2.2 =============== * MASS dependence removed * Code reorganised to avoid repetition. coda.base 0.2.1 =============== * ?_basis functions always return a matrix * consistencies between methods improved coda.base 0.1.12 (Release date: 2018-04-15) =============== * coordinates function keeps row.names attribute * Principal components calculations are done using svd function which is faster than princomp * sbp_basis function does not need package to be loaded, can run as coda.base::sbp_basis() coda.base 0.1.11 (Release date: 2018-12-23) =============== * Principal components coordinates uncentered. * Sequential binary partition can be defined using a matrix with -1,0 and 1's. * CoDaPack's basis included. * A vignette explaining how to build coordinates has been included. coda.base 0.1.10 (Release date: 2018-08-03) =============== * Principal Balances included as direct method in coordinates function. * Coordinates function filters non-valid compositions. coda.base 0.1.9 (Release date: 2018-05-03) =============== * Modifications included to rcran policies. coda.base 0.1.8 (Release date: 2017-12-03) =============== * Exact algorithm for Principal Balances included. * Bug in lsearch base in principal components solved. coda.base 0.1.7 (Release date: 2017-08-25) =============== * Problem with function composition using 'clr' basis solved. * 'coda.base.basis' option included to hide the basis when printing the coordinates. * New method which uses the principal components included in pb_basis. * Documentaion improved.