Changes file for Statistics::RankCorrelation

0.1203 2010.08.16

• Improved documentation.

0.1202 2010.08.16 Something is not right with my previous commit. :( 0.1201 ?

0.12 Mon, Jan 25, 2009

• Andy Lee submite a patch that solved my tied ranks dilemma. Yay!
• Added proper renamed tests with pod and boileplate.
• Updated POD and README.

0.11_3 Mon Dec 3 2007

• Whoops. Needed require 5.006001;

0.11_2 Sun Dec 2 2007

• Replaced my "restrictive formulation" of spearman() with Jon Schutz' "direct Pearson coefficient of the rank vectors" algorithm - and now spearman (almost) works!
• Refactored the test a bit.

0.11_1 26 Mar 2007

• Realized that the module does not compute correct results in the presence of tied ranks and updated POD accordingly.
• Added a slew of TODO tests for tied ranks.

0.10 Sat Mar 24 2007

• Added Kendall's tau.
• Added data sorting.
• Added size accessor.
• Updated and improved documentation.
• Enhanced the test script.

0.0901 Fri Aug 13 2004

• Whoops. Forgot to increment the number of known tests. :\

0.09 Fri Aug 13 2004

• Removed the unnecessary pair_sort() function.
• Replaced rgw rank() function with the code from Thomas Breslin.
• Added a test for tied ranks. (How did I not do this before?!?)
• Updated POD accordingly.

0.08 Wed Dec 30 2003

• Made the object auto-initialize if given vectors and not die, if not.
• Added a test for this "no-argument" constructor case.
• Added eg/boolean_grids to show what the correlation_matrix() method does.

0.07 Wed Dec 30 2003

• Added the missing pair sorting function and now this module works correctly.
• Changed the functions that were documented as "private" to "handy".
• Improved the documentation with concrete examples.

0.06 Mon Dec 15 2003

• No functionality changes in the module itself.
  • Cleaned-up, repaired and smoothed out the documentation.
  • Added eg/permutations to facilitate "eyeball checking".
  • Added more cases to the test suite.

0.0502 Sun Sep 27 2003

• The $VERSION should be an actual number and on its own line.
• Cleaned up POD a tiny bit.
• Reversed chrono-sort on this file.

0.05.1 Sun Sep 21 2003

• Just cleaned up POD. No functional changes made.

0.05 Wed Aug 6 2003

• Fixed stupidity in POD.
• Compressed average code in _rank().

0.04 Wed Aug 6 2003

• Fixed and enhanced POD.
• Removed the assignment from the *_data accessors.

0.03 Wed Aug 6 2003

• IT ACTUALLY WORKS NOW.
• Added x_ and y_ object attributes and accessors.
• Compute the x and y ranks in _init().
• Enhanced POD.
• Made a proper 1.t script.

0.02 Mon Aug 4 2003

• Renamed binary() to csim().
• Added correlation_coefficient()
• Added more SEE ALSO references.
• Cleaned up and enhanced POD.

0.01 Sun Aug 3 13:31:57 2003

• Created with Module::Husbandry.