Changes in robCompositions version 2.0.3
  + new function perturbation() and powering()
  + new function for inner product (iprod())
  + new funciton balances()
  + addLR, cenLR with optional different base in logrithm
  + isomLR with more possibilites for a normalizing constant
  + isomLR depricated, using now pivotCoord instead
  + isomLRinv depricated, using pivotCoordInv instead
  + orthbasis() now returns also the basis vectors
  + bug in aDist solved
  + aDist now much faster
  + new function center()
  + method symm (symmetric balances) in pivotCoord
  + bug in daFisher resolved
  + include electionATbp data (data still has to be made tidy)

Changes in robCompositions version 2.0.2
  + new function balZav()
  + new function daCoDa()
  + new function clustCoDa()
  + new function corCoDa()
  + aDist for single matrix
  + pcaCoDa() with external variables
  + new data set alcoholreg 
  + new data set alcohol
  + new data set econom        y
  + new data set ageCatWorld
  + new data set election
  + new data set laborForce
  + new data set payments

Changes in robCompositions version 2.0.1
  + discriminant analysis (daFisher) for n-group case
  + discriminant analysis (daFisher) including predict
  + discriminant analysis (daFisher) including misclassification rates

Changes in robCompositions version 2.0.0
  + combined help for some S3methods
  + function robVariation is now called variation
  + new data sets

Changes in robCompositions version 1.9.1
  + now with roxygen2 documentation
  + minor modifications in impRZilr

Changes in robCompositions version 1.9.0
  + bug in robVariations solved

Changes in robCompositions version 1.8.0
  + critical bug in function impRZilr solved (did worked only correct
       for constant sum data)

Changes in robCompositions version 1.7.0
  + bug in function impRZilr solved
  + new bootstrap procedure for estimating the number of components within impRZilr
  + description in function impRZilr adapted

Changes in robCompositions version 1.6.4
  + deprecated functions alr, ilr, clr, invalr, invilr, invclr deleted
  + bugfix and enhancement of impRZilr.R
  + improvement of isomLR for high-dimensional data

Changes in robCompositions version 1.6.3

	+ function impAll included.
	+ robGUI excluded (is now put in the compositionsGUI package)

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.