Changes in version 1.1.5                        

  - Changed the missing swiss roll example gif.

                 Changes in version 1.1.4 (2026-03-19)                  

  - Change of CVXR package-related routines per its API change.

                 Changes in version 1.1.2 (2022-12-15)                  

  - Fixed an error in do.lapeig() thanks to Frithjof Kruggel (UC
    Irvine).

                 Changes in version 1.1.1 (2022-11-24)                  

  - Removed dependence on Rcsdp package.
  - Fixed potential errors with some examples.

                 Changes in version 1.1.0 (2022-09-22)                  

  - Removed arbitrary regularization in do.dne().
  - Change of authorship.

                 Changes in version 1.0.9 (2022-02-04)                  

  - Change of some estimation methods to return implicit variables.
  - do.dppca() added : dual probabilistic principal component analysis.

                 Changes in version 1.0.8 (2021-06-11)                  

  - Change of maintainer's contact.
  - Some functions are converted to pure C++.

                        Changes in version 1.0.7                        

  - Fixed an error in do.olpp() thanks to Nicholas Spyrison.

                 Changes in version 1.0.6 (2021-04-18)                  

  - Replaced nearest neighbor library.

                        Changes in version 1.0.5                        

  - Methods added; do.mmds(), do.phate().
  - Bibliographic errors fixed.

                 Changes in version 1.0.4 (2020-09-07)                  

  - Methods for feature selection do.wdfs(), do.uwdfs(),
    do.procrustes(), and do.mifs() are added.
  - README now shows numbers of currently available functions for DR and
    IDE.

                 Changes in version 1.0.3 (2020-05-22)                  

  - Fixed memory leaks in do.sne() and do.tsne().
  - do.lsls() added as a supervised feature selection method.

                 Changes in version 1.0.2 (2020-05-04)                  

  - README contains minimal examples for both dimension reduction and
    estimation.
  - Porting to pure C++ implementations started, gaining computational
    efficiency.
  - do.lmds function is fixed for its discrepancy in nested structure.

                 Changes in version 1.0.1 (2020-04-22)                  

  - NEWS reformatted and package website is now available.
  - Dependency on R package ADMM is removed.

                 Changes in version 1.0.0 (2020-04-14)                  

Major changes

  - LDA solves trace ratio problem directly.
  - Many of dependencies are removed.
  - 133 dimension reduction methods available.
  - 17 intrinsic dimension estimation methods available.

Bug fixes

  - Error fixed in do.lscore function (thanks to Jordan Lin).