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daru v0.1.4 Release Notes

Release Date: 2016-08-19 // over 7 years ago

  • 0.1.4 (19 August 2016)

    • Major Enhancements
      • Added new dependency 'backports' to support #to_h in Ruby 2.0. (@lokeshh)
      • Greatly improve code test coverage. (@zverok)
      • Greatly refactor code and make some methods faster, smaller and more readable. (@zverok)
      • Add support for categorical data with different coding schemes and several methods for in built categorical data support. Add a new index 'Daru::CategoricalIndex'. (@lokeshh)
      • Removed runtime dependencies on 'spreadsheet' and 'reportbuilder'. They are now loaded if the libraries are already present in the system. (@v0dro)
    • Minor enhancements
      • Update SqlDataSource to improve the performance of DataFrame.from_sql. (@dansbits)
      • Remove default DataFrame name. Now DataFrames will no name by default. (@zverok)
      • Better looking #inspect for Vector and DataFrame. (@zverok)
      • Better looking #to_html for Vector and DataFrame. Also better #to_html for MultiIndex. (@zverok)
      • Remove monkey patching on Array and add those methods to Daru::ArrayHelper. (@zverok)
      • Add a rake task for running RSpec for every Ruby version with a single command. (@lokeshh)
      • Add rake tasks for easily setting up and testing test harness. (@lokeshh)
      • Added Daru::Vector#to_nmatrix.
      • Remove the 'metadata' feature introduced in v0.1.3. (@gnilrets)
      • Added DataFrame#to_df and Vector#to_df. (@gnilrets)
    • 🛠 Fixes
      • DataFrame#clone preserves order and name. (@wlevine)
      • Vector#where preserves name. (@v0dro)
      • Fix bug in DataFrame#pivot_table that prevented anything other than Array or Symbol to be specified in the :values option. (@v0dro)
      • Daru::Index#each returns an Enumerator if block is not specified. (@v0dro)
      • Fixes bug where joins failed when nils were in join keys. (@gnilrets)
      • DataFrame#merge now preserves the vector name type when merging. (@lokeshh)
    • 🗄 Deprecations
      • Remove methods DataFrame#vector and DataFrame#column. (@zverok)
      • Remove the missing_values feature of daru. The only values that are now treated as 'missing' are nil and Float::NAN. (@lokeshh)