Skip to contents

Changelog

Source: NEWS.md

proxyC 0.5.1

CRAN release: 2025-04-24

Bug fixes

  • Add workaround for a compilation error when clang 20 is used (#65).

proxyC 0.5.0

CRAN release: 2025-04-22

New features and improvements

  • Enable simil() nad dist() to perform masked similarity/distance computation. If a pattern matrix is given via the mask argument, it computes scores for selected pairs of rows or columns. Pattern matrices can be created using newly added mask() function.
  • Calculate “dice” and “edice” using Armadillo’s linear algebra functions in simil(). As a result, computation of these scores became as fast as “cosine”, “correlation” and “euclidean”.
  • Add crossprod() and tcrossprod() using the same infrastructure as simil() and dist().

proxyC 0.4.2

New features and improvements

  • Reduce the overhead for dense similarity matrices by improving rounding numbers and conversion to Rcpp vectors.
  • Return a dense matrix if sparse = FALSE to save space in RAM.

proxyC 0.4.1

CRAN release: 2024-04-07

Bug fixes

  • Make detection of Intel oneAPI Threads Building Blocks (TBB) library more reliable.

proxyC 0.4.0

CRAN release: 2024-04-05

New features and improvements

  • Use more recent Intel oneAPI Threads Building Blocks (TBB) library to improve the stability in parallel computing.
  • Add options(proxyC.threads) to control the number of threads in parallel computing (but RCPP_PARALLEL_NUM_THREADS still has effect).

New system requirements

  • The RcppParallel package is no longer required as the TBB library in the operating system (Linux and MacOS) or Rtools (Windows) is used.
  • Linux and MacOS must have the TBB library to enable parallel computing before installing this package from the source.

proxyC 0.3.4

CRAN release: 2023-10-25

New features and improvements

  • Add “fjaccard” to simil() for Fuzzy Jaccard similarity (#42).

proxyC 0.3.3

CRAN release: 2022-10-06

New features and improvements

  • Explicitly setting use_nan = FALSE will suppress warnings in simil() and dist().
  • Add vignettes to explain how the similarity and distance measures are computed.

proxyC 0.3.2

CRAN release: 2022-09-05

Bug fixes

  • Make further changes for Matrix v1.4-2.

proxyC 0.3.1

CRAN release: 2022-08-22

New features and improvements

  • Add “jensen” to dist() for Jensen-Shannon divergence as a symmetric version of Kullback-Leibler divergence.
  • Change how x and y are coerced to dgCMatrix for Matrix v1.4-2.

proxyC 0.3.0

CRAN release: 2022-08-05

New features and improvements

  • Add “jeffreys” to dist() for Jeffreys divergence. It is a symmetric version of Kullback-Leibler divergence (#31).

proxyC 0.2.4

CRAN release: 2021-12-10

New features and improvements

proxyC 0.2.3

CRAN release: 2021-11-16

Bug fixes

  • Change “hamman” to “hamann” in simil() to correct misspelling (#26).

proxyC 0.2.2

CRAN release: 2021-10-27

New features

  • simil() and dist() work with both dense and sparse matrices.
  • use_nan = TRUE can be used not only for correlation but for all the distance and similarity measures.

proxyC 0.2.1

CRAN release: 2021-09-02

New features

  • Computing the correlation similarity on vectors with a standard deviation will generate a zero correlation and a warning. The warning can be turned off by setting use_nan = TRUE, in which case the computed correlation similarity will be NaN instead (#21).

Bug fixes

  • Fixed infinite values being returned by the correlation similarity (#20).

proxyC 0.2.0

CRAN release: 2021-05-11

New features

  • Added a diag argument to compute similarity/distance only for corresponding rows or columns (#13).
  • Added a smooth parameter to chisquared and kullback leibler distances to solve negative values in sparse matrices (#15).
  • Added the hamming distance (#18)

Bug fixes

  • Fixed the chi-squared distance to match stats::chisq.test() (#14).
  • Fixed a bug in pairwise similarity/distance computation when drop0 = TRUE (#17).

proxyC 0.1.5

CRAN release: 2019-07-21

New features

  • Add the drop0 argument to address the floating point precision issue (#10).

Bug fixes

  • The digit argument is now passed to dist() (#11).

proxyC 0.1.4

CRAN release: 2019-06-04

New features

proxyC 0.1.3

CRAN release: 2019-04-21

Bug fixes

  • No longer assumes symmetry of resulting matrix when x != y (#4).

New features

  • Add the digits argument to correct rounding errors in C++ (#5).