Changes in robCompositions version 1.6.2 + alr, clr, ilr, invalr, invclr, invilr are now deprecated. The new functions are called addLR, cenLR, isomLR, addLRinv, cenLRinv, isomLRinv + new functions gm, orthbasis, missPatterns and zeroPatterns + return instead of invisible return for all log-ratio transformations Changes in robCompositions version 1.5.0 + variable names in expendiure data corrected + graphical user interface added + vignette about an overview of the package added + alrEM() function now renamed in impRZalr() to be consistent with notation Changes in robCompositions version 1.4.6 + correct transformation of the detection limit in impRZilr when having not constant sum 1. Changes in robCompositions version 1.4.5 + Bug in alrEM fixed. + impRZilr included, but without documentation. Changes in robCompositions version 1.4.4 + Description for the Expenditures data changed. Wrong variable description fixed. + Wrong formula in robVariation method robust=FALSE fixed after an comment from from Mark Engle (thanks!). + Improved code in 'CITATION' file.