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themis 1.0.2

Improvements

• Many internal changes to improve consistency and slight speed increases.

themis 1.0.1

Improvements

• Fixed bug where some upsampling functions would error if no upsampling was needed. (#119)

• Steps with tunable arguments now have those arguments listed in the documentation.

themis 1.0.0

• Added case weights support for step_upsample() and step_downsample()

themis 0.2.2

• tomek() has been added, rewritten to apply to multiple classes, removing the need for the unbalanced package, which has been removed as a dependency.

themis 0.2.1

• A bug was fixed in step_downsample() and step_upsample() that made the steps unable to be tuned. (#90)

themis 0.2.0

New steps

• step_smotenc() have been added to implement SMOTENC which can handle categorical as well as numerical values. Thanks to @RobertGregg (#82)

Improvements and Other Changes

• export nearmiss() functions to users.
• Update examples to no longer use iris or okc data sets.
• All recipe steps now officially support empty selections to be more aligned with dplyr and other packages that use tidyselect (#55)

Bug fixes

• step_rose() now correctly allows you to use characters variables. (#26)
• step_tomek() now ignore non-predictor variables when appropriate. (#51)
• Fix bug where wrong ordering of columns caused error in smote(). (#76)

themis 0.1.4

• export smote(), adasyn(), and bsmote() functions to users.

themis 0.1.3

• Steps that use nearest neighbors gives cleaner errors.

themis 0.1.2

• tuneable steps now properly work with tune package.
• Steps now Retain original factor level ordering. (#22)
• Oversampling steps now ignore non-predictor variables when appropriate. (#20)

themis 0.1.1

• step_smote() now work regardless of order of classes. Thanks to @sebastien-foulle for point it out #14.

themis 0.1.0

• Added a NEWS.md file to track changes to the package.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.