Version 0.6.7 (2020-01-07)
o Remove references to ElemS tatLearn, now defunct

Version 0.6-6 (2017-10-01)
o bump package version, preparing to move to Github

Version 0.6-5 (2014-11-24)
o Use rgl:: in calls to rgl package for CRAN
o Fixed long lines in .Rd files

Version 0.6-4 (2012-2-10)
o Added contourf()

Version 0.6-3 (2011-12-28)
o Minor tweaks to plot3d.ridge
o Added biplot.ridge method for symmetry, showing the PCA vectors in variable space
o Added examples to ridge.Rd using data(manpower, package="bestglm")
o Added Manpower data

Version 0.6-2 (2011-12-19)
o Made ridge() an S3 generic with formula and default methods
o Fixed labels problems in biplot.pcaridge and plot3d.ridge
o Added Detroit data with examples showing most methods

Version 0.6-1 (2011-12-06)
o Fixed order of classes in pca.ridge
o Made plot3d an S3 generic; added plot3d.pcaridge and plot.pcaridge
o Added biplot.pcaridge() to draw variable vectors on a plot.pcaridge() plot
o Added options to precision.* for greater flexibility
o Added GCV computation to ridge()
o Added which.lambda to select ellipses in plot.ridge(), plot3d.ridge() etc.
o Added labels argument to plot.ridge() and fixed pairs.ridge for this.

Version 0.6-0 (2011-12-04)
o Added plot3d.ridge() using rgl, completing the main stages in visualization methods for ridge-like problems

Version 0.5-3 (2011-11-30)
o Added precision.ridge() method for measures of precision and shrinkage
o Added vif.ridge() method, extending the car S3 generic for ridge objects
o Now Depends: car

Version 0.5-2 (2011-11-25)
o Added Acetylene data
o Added vcov.ridge() method

Version 0.5-1 (2011-08-22)
o Fixed Authors@R in DESCRIPTION

Version 0.5-0 (2011-08-22)

o Added NAMESPACE
o Initial package version, released to R-Forge
o Added pca.ridge