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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 2020/03/10

• 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 2020/01/07

• 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 2019/07/16

• 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 2019/02/20

• 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 2018/06/26

• 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 2017/10/16

• 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 2017/06/13

• Add codeRestriction option to prepare().

vtreat 0.5.31 2017/04/13

• 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 2016/10/27

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

vtreat 0.5.28 2016/10/24

• 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 2016/08/16

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 2016/07/10

• 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 2016/05/02

• 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 2016/04/28

• 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 2016/01/07

• 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 2015/11/23

• 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 2015/09/12

• 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

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