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News

2017-XX-XX - Changes in version 2.1-4

• Add ReplaceInExpression helper function
• Update GeneticAlg.int to accept suggestions as a list (Thanks to Rafael Klaic)
• Update vignette with new grammar rules
• Fix bug in Evolutionary strategy when popsize = 1 (Thanks to Daniel Klotz https://github.com/danklotz)
• Change ga.mutation parameter to fix its typo (Thanks to Daniel Klotz https://github.com/danklotz)

2016-07-04 - Changes in version 2.1-3

• Add a supress warnings option to GrammaticalEvolution optimizer
• Update citation with the information from Journal of Statistical Software
• Fix iteration parameter auto-set overriding manual value bug
• Fix suggested initial chromosome bug (Thanks to Daniel Klotz https://github.com/danklotz)

2015-11-11 - Changes in version 2.1-2

• Changed contact email
• Added citation information
• Fixed global function imports in package namespace

2015-06-04 - Changes in version 2.1-1

• Changed package’s description, explaining what grammatical evolution is.

2015-06-03 - Changes in version 2.1-0

• Added grammar rule concatenation
• Added iterative grammar rule
• Improved primitive function printing in the grammar
• Fixed typos and cleaned up latex in the vignette
• R-devel CRAN check compatibility fixes

2015-02-11 - Changes in version 2.0-2

• R-devel CRAN check compatibility fix

2015-02-10 - Changes in version 2.0-1

• New Vignettes

2014-12-09 - Changes in version 2.0-0

• CreateGrammar accepts Expressions as well as strings
• Added predefined multi-point crossover operator to Genetic Algorithm Implementation
• New functions for iterating through the grammar
• New Grammatical Exhaustive and Random Search Functions
• New verbose functions to test expressions and grammatical generation
• New print and summary overload for many objects

2014-10-21 - Changes in version 1.2-1

• Added BNF file parser
• CreateGrammar default value fixed
• Brackets around grammar rule identifiers are optional now
• Minor style improvements

##2014-06-23 - Changes in version 1.1-1

• Added Some regression tests
• Changed GA and GE default popsize and itercount to be more useful
• Added NA and NaN handling for GA
• Improved print function’s styling
• Changed GA genome len and range arguements name for more clarity
• EvalExpression returns NA instead of NaN if expression is non-terminal

2014-05-20 - Changes in version 1.0-1

• Public Release

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