NEWS

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vtreat 1.6.5 (2024-06-12)

• try to lower dependencies to avoid lme4 2024-06-17 removal threat

vtreat 1.6.4 (2023-08-19)

• work around https://github.com/r-lib/roxygen2/issues/1491

vtreat 1.6.3 (2021-06-11)

• Fix some links.
• Remove LazyData decl.

vtreat 1.6.2 (2020-10-17)

• Move to tinytest

vtreat 1.6.1 (2020-08-12)

• Documentation improvements.

vtreat 1.6.0 (2020-03-11)

• More S3 methods.
• Back-port pyvtreat recommendation code to Rvtreat.

vtreat 1.5.2 (2020-02-08)

• Control imputation on design_missingness_treatment.
• Share cross-splits in multinomial mode to minimize data leakage.
• Earlier argument checking.
• Default classification target to TRUE.
• Some documentation improvements.
• Move wrapr to Depends.

vtreat 1.5.1 (2020-01-16)

• Check for same-frame on prepare paths.
• Pipe into ft.
• Rename multinomial arguments to match other methods.
• Move parallel to a suggestion and configure a global option to shut it down ( vtreat.allow_parallel ).

vtreat 1.5.0 (2020-01-08)

• Fix multinomial variable restriction.
• Fix FT multinomial columns copy.
• Work on ft serialization environments.
• More tests.
• Improve custom coder flexibility.

vtreat 1.4.8 (2019-12-08)

• Center/scale improvement from nfultz.
• Documentation updates.
• fit_tranform interface.

vtreat 1.4.7 (2019-10-01)

• fix wrong y-name in multinomial cross frame.

vtreat 1.4.6 (2019-09-23)

• Some doc updates.

vtreat 1.4.5 (2019-09-11)

• Some doc updates.

vtreat 1.4.4 (2019-07-27)

• Adjust license to GPL-2 | GPL-3
• Some doc updates.

vtreat 1.4.3 (2019-07-18)

• Fix bug in custom coder NA path and let numeric coder center if wanted.
• More tests.

vtreat 1.4.2 (2019-07-01)

• Fix eronious Cohen reference in documentation.

vtreat 1.4.0 (2019-05-05)

• Fancy level and variable names.
• More tests on odd level names (and collisions).

vtreat 1.3.8 (2019-03-31)

• Remove spline from default value variables.
• Fix ggplot2 vignette dependence issue.
• Make treatment plans pipeable targets.

vtreat 1.3.7 (2019-02-21)

• Fix design_missingness_treatment() prepare.
• Move to wrapr test runner.

vtreat 1.3.6 (2019-02-09)

• Add patch_columns_into_frame().
• Fix column name munging.
• Start switching to RUnit tests.

vtreat 1.3.5 (2019-01-27)

• Make categorical scoring default TRUE.
• logit-ize custom coders.
• spline custom coder.
• Get stricter about row ordering in building custom coders.
• neaten up printing a bit.
• Collar spline and lower its complexity.

vtreat 1.3.4 (2019-01-02)

• Accept pre-built approximation tables from numeric custom coders.
• Fix .customCodeNum() extrapolation, down-sampling, and remote numeric ".center" option.
• More docs.

vtreat 1.3.3 (2018-12-17)

• remove _clean suffix.
• Fix non-scalar comparisions (mostly form class vectors).
• add segmented variable calculation.
• add pre-computed split plan.
• bump dependencies.
• Example higher order coders.

vtreat 1.3.2 (2018-11-05)

• force parent.frame
• add a drop columns option to design_missingness_treatment()
• Doc fixes

vtreat 1.3.1 (2018-09-10)

• Fix variable naming in multi class case.
• Some doc fixes.
• Start on NaN and Infinity on databases.
• More tests.

vtreat 1.3.0 (2018-07-20)

• Fix z-split annotation issue.
• Change designTreatmentsZ() defaults.
• Documentation fixes.
• Multiclass treatments.
• Simple treatments.
• Fix CRAN Note on pre 3.5.0 R parallel usage.

vtreat 1.2.3 (2018-07-11)

• Smooth catP novel levels scoring a bit.
  • Fix check error on parallel::getDefaultCluster()

vtreat 1.2.2 (2018-07-04)

• Fix issue 19.
  • Do not use NULL to signal when parallelism is desired.

vtreat 1.2.1 (2018-06-27)

• default data.table merging on (may be a performance regression to not set this).
  • rqdatatable treatment path.
  • better formatting.
  • add extracols argument to prepare().
  • Improve regexps.

vtreat 1.2.0 (2018-06-19)

• Translate treatment plans to rquery.
  • Minor documentation improvements.
  • Improve error messages on argument checking.
  • Improve name generation (remove dots).
  • Remove dplyr dependence.

vtreat 1.0.4 (2018-05-05)

• Add data.table as an optional row-binder.
  • Declare an R version.

vtreat 1.0.3 (2018-03-10)

• parallel indicator calculation.
  • add optional warning on encountering novel levels in prepare.

vtreat 1.0.2 (2018-01-20)

• bind options.
  • fix deps.
  • restore parallel test.
  • kWayStratifiedY performance fix from @khotilov Vadim Khotilovich.

vtreat 1.0.1 (2017-10-17)

• Minor documentation fixes.
  • rm data.table (possibly related to issues 2413 or 2418).

vtreat 1.0.0 (2017-10-04)

• Minor documentation fixes.
  • More work on novel values for non-centered custom coders.
  • Numeric custom coders.
  • Isotone examples.

vtreat 0.6.0 (2017-09-20)

• Add codeRestriction option to design steps.
  • Prepare for custom models.
  • Prefer data.table::rbindlist() for assembling frames.
  • Add forceSplit mode.

vtreat 0.5.32 (2017-06-14)

• Add codeRestriction option to prepare().

vtreat 0.5.31 (2017-04-14)

• make prueSig an optional argument in prepare, and force by-name access.
  • Remove left.op=TRUE from findInterval in "vtreat Rare Levels" vignette (seems to be a new addition to findInterval, so fails CRAN check r-oldrel-windows-ix86+x86_64).

vtreat 0.5.30 (2017-01-21)

• General improvements in documentation and vignettes.
  • Document saving/loading treatment plans.

vtreat 0.5.29

• Add 'rsq' column to scoreFrame (rsq- for numeric targets, pseudo-rsq for categorical targets).

vtreat 0.5.28 (2016-10-25)

• Fix treatment of constant columns in cross-partitions.
  • Switch doCollar default to FALSE.
  • Return indicators on designTreatmentsZ.
  • Fix extraDegreesOfFreedom calculation.
  • Allow repeated application rows in cross frames.
  • Remove lsig and csig from scoreFrame.
  • Add meanY to treatmentplan.
  • Documentation fixes.

vtreat 0.5.27 (2016-08-17)

Changes:

• Change catB variables to delta-logit score.
• Fix passing of arguments to parallel prepare, and reduce size of data passed.
• Ensure set of variables consistency in mkCross* methods.
• More parallelization of level significance calculations, and cheaper chi-square test where appropriate.

vtreat 0.5.26 (2016-07-12)

• Facilities for y-stratified and grouped splitting (useful for unbalanced classes).
  • catScaling=TRUE mode uses logistic regression for y-aware variable scaling.
  • Fix erroneous bad type warning on date columns.

vtreat 0.5.25 (2016-05-03)

• Fix bug that caused catB variables to be scored as "insignificant".
  • Add test to check for above bug.
  • Expose cross validation controls.
  • More guards on significance calculations.

vtreat 0.5.23 (2016-04-29)

• Fix issue of non-significant variables not being scaled.
  • Documentation fixes, document variable types, improve vignettes.
  • Minor performance fixes on result accumulation.
  • Add optional use of dplyr for row binding (of score report frames).

vtreat 0.5.22 (2016-01-08)

• Calculations of non catX significances are now deterministic
  • Catch mis-naming or non-varying y earlier
  • Expose buildEvalSets as a public function
  • More tests

vtreat 0.5.21 (2015-11-11)

• Isolated "cross" or "out of sample" frame generation into mkCrossFrameCExperiment() and mkCrossFrameNExperiment()
  • Many small bug fixes and corner cases patched

vtreat 0.5.20 (2015-11-05)

• Simplified out of sample frame generation
  • Added "no-Y" treatment option
  • Minor documentation fixes

vtreat 0.5.18 (2015-10-07)

• Fixed bugs in cross-validated mode
  • Force out of sample calculations in more situations
  • Fix vignette titles
  • Fix documentation
  • Do not allow small or insufficiently varying data frames (exact conditions in documentation)

vtreat 0.5.16 (2015-09-13)

• Unified rare level treatment
• Separate treatment of insignificant levels
• Tests confirming compatibility with 'data.table'
• More special case hardening
• Over-fit vignette
• Minor documentation fixes

vtreat 0.5.14 (2015-09-06)

• First CRAN release