Changes in version 0.3.1                        

                 Changes in version 0.3.0 (2026-04-21)                  

UPDATED FUNCTIONS:

  - ProbDup - Updated to make the computation more memory efficient.

                Changes in version 0.2.4.0 (2025-12-14)                 

OTHER NOTES:

  - Fixed the checkRd notes.

                Changes in version 0.2.3.9 (2023-08-31)                 

OTHER NOTES:

  - Fixed CITATION.

                Changes in version 0.2.3.8 (2023-05-23)                 

OTHER NOTES:

  - Fixed non-ascii content and replaced latin1 encoding with utf-8.

                Changes in version 0.2.3.7 (2021-02-17)                 

UPDATED FUNCTIONS:

  - ValidatePrimKey - Fixed xtfrm on data.frame.

VIGNETTE:

  - Removed cairo dependency.

                Changes in version 0.2.3.6 (2020-07-27)                 

VIGNETTE:

  - Reverted to using system certificates instead of RCurl ones for
    fetching and displaying version history as suggested by Prof. Brian
    Ripley (ripley@stats.ox.ac.uk).

                Changes in version 0.2.3.5 (2020-02-10)                 

OTHER NOTES:

  - Removed reference to RecordLinkagepackage which was removed from
    CRAN.

                Changes in version 0.2.3.4 (2019-09-19)                 

UPDATED FUNCTIONS:

  - MergeKW - Updated regular expressions to be PCRE2 compliant.
  - read.genesys - Updated for reading of doi field.
  - DoubleMetaphone - Fixed issue with underlying C code with ‘strncpy’.
    Changed all specified bound depending on the length of the source
    argument to that of destination argument.

                Changes in version 0.2.3.3 (2018-01-13)                 

OTHER NOTES:

  - Use of packages in Suggests (eg. microbenchmark) made conditional to
    avoid problems when they are not available for an OS.

                Changes in version 0.2.3.2 (2017-08-04)                 

UPDATED FUNCTIONS:

  - DoubleMetaphone - Fixed memory leak issues in underlying C code.

OTHER NOTES:

  - Minor corrections in vignette.
  - Added welcome message.
  - Added version history to vignette
  - Replaced all 1:nrow() and 1:length() usage in function with
    seq_len(nrow()) and seq_len(length()) respectively.
  - Added package to github.
  - Added package documentation website
    (https://aravind-j.github.io/PGRdup/) as a github page with pkgdown.
  - Added copyright to Authors@R along with original contributors for
    the underlying C code for DoubleMetaphone.

                Changes in version 0.2.3.1 (2017-03-15)                 

OTHER NOTES:

  - Registered native routines in the C code for DoubleMetaphone.

                 Changes in version 0.2.3 (2017-02-01)                  

UPDATED FUNCTIONS:

  - KWCounts - Fixed error in case of large number of exceptions and
    fixed bug regarding non-exact removal of keyword exceptions.
  - ProbDup - Changed code with a column vector specifying the columns
    having with=FALSE argument to the new preferred syntax in
    data.table.
  - ViewProbDup - Fixed error 'formal argument "axis.ticks.y" matched by
    multiple actual arguments'.
  - ViewProbDup - Fixed bug in case when all factor names in select
    argument are not present in factor.db1 and/or factor.db2, the
    function stops. Now it gives an warning and stops only when none of
    the factor names in select are present in factor.db*.

OTHER NOTES:

  - Added rmarkdown to Suggests field in DESCRIPTION, as prompted by Jan
    Górecki.

                Changes in version 0.2.2.1 (2016-03-09)                 

OTHER NOTES:

  - Fixed memory access error in src/fdouble_metaphone.c (Thanks to
    Prof. Brian Ripley)

                 Changes in version 0.2.2 (2016-03-05)                  

NEW FUNCTIONS:

  - read.genesys - Convert 'Darwin Core - Germplasm' zip archive to a
    flat file.
  - ViewProbDup - Visualize the probable duplicate sets retrieved in a
    ProbDup object.

UPDATED FUNCTIONS:

  - ReconstructProbDup - Fixed bug regarding failure to retrieve db2
    fields when method "c" is used.
  - ProbDup - Updated code after bugfix in stringdist package
    (stringdistmatrix: output was transposed when length(a)==1).

OTHER NOTES:

  - Changed the contact email addresses of four authors (including
    maintainer) in DESCRIPTION.
  - Updated the vignette and README.md with the details of new
    functions.

                 Changes in version 0.2.1 (2015-07-23)                  

NEW FUNCTIONS:

  - SplitProbDup - Split an object of class ProbDup.
  - MergeProbDup - Merges two objects of class ProbDup.
  - KWCounts - Generates keyword counts from database fields.
  - print.KWIC - Prints summary of an object of class KWIC to console.
  - print.ProbDup - Prints summary of an object of class ProbDup to
    console.

UPDATED FUNCTIONS:

  - ProbDup - Modified the phonetic matching for better handling of
    strings with digits.
  - ProbDup - Fixed throwing of error when no duplicate sets are
    retrieved.
  - ProbDup - Fixed issue regarding memory out error when large number
    of exceptions are there.
  - ProbDup - Further converted code to use data.table package for
    greater efficiency and speed.
  - ProbDup - Fixed bug regarding inconsistent matching when method "b"
    is used.
  - ProbDup - Reduced the dimensions of the string matching matrices
    produced for greater efficiency and speed.
  - MergeKW - Modified for better handling of regex special characters.
  - ReconstructProbDup - Modified to ignore sets with counts less than 2
    after reconstruction.

OTHER NOTES:

  - Edited README.md formatting.
  - Added diagram, microbenchmark and wordcloud (required for vignette)
    to suggests field in DESCRIPTION.
  - Added imports to functions from methods, stats and utils as R CMD
    check --as-cran now checks code usage (via codetools) with only the
    base package attached.
  - Dropped the abbreviation PGR in the title in DESCRIPTION as it is
    mentioned in the description text.

VIGNETTE:

  - Added vignette "An Introduction to PGRdup package".

                        Changes in version 0.2.0                        

  - First release