version 0.4-50 * The Pima Indians Diabetes data were removed from the UCI Repository several year ago, and NIDDK claims it never authorized making the data publicly available. Hence remove the ARFF version of the data from RWeka, and remove the example which used the data formerly provided in package 'mlbench'. version 0.4-49 * No user-visible changes. version 0.4-48 * No user-visible changes. version 0.4-47 * Add and use bibentries. version 0.4-46 * S3 g/m mismatch. version 0.4-45 * Improve URLs and CITATION. version 0.4.44 * Tweaks. version 0.4.43 * Tweaks. version 0.4.42 * Tweaks. version 0.4.41 * Tweaks. version 0.4.40 * Tweaks. version 0.4.39 * Upgrade to Weka 3.9.3. version 0.4.38 * Tweak for print.R_Weka_interface(). version 0.4.37 * Weka 3.9.0 needs Java >= 8: change SystemRequirements and configure accordingly. * Upgrade to Weka 3.9.2. version 0.4.36 * Clarify that attribute evaluation interfaces only work for classes implementing the AttributeEvaluation (but not the SubsetEvaluation) interface. version 0.4.35 * Improve Java 9 detection in configure version checking. version 0.4.34 * Rewrite all WPM() commands to not call the WekaPackageManager main() method. version 0.4.33 * Redo WPM("install-package") in interface code to eliminate the need for patching Weka to not System.exit(0) in its WekaPackageManager main(). * Quietly instatiate the Weka package manager on startup to eliminate the need for extracting the external jars shipped in the Weka jar. version 0.4.32 * Enhance interface registration to note the package providing the Weka class where appropriate. version 0.4.31 * Weka 3.9.1 can no longer load classes in external packages via .jnew(): use the Weka package class loaded manager instead. version 0.4.30 * Upgrade to Weka 3.9.1. version 0.4.29 * More improvements for WPM(). In particular, change to "load-packages" as suggested by the Weka developers. version 0.4.28 * Weka 3.9.0 needs Java >= 1.7: change SystemRequirements and configure accordingly. * Fix problem in WPM("load-package") spotted by Eibe Frank . version 0.4.27 * Upgrade to Weka 3.9.0. version 0.4.26 * Improve code for non-standard evaluation. version 0.4.25 * Upgrade to Weka 3.7.13. version 0.4.24 * Upgrade to Weka 3.7.12. * Require Java 1.6/6.0. version 0.4.23 * Upgrade to Weka 3.7.11. version 0.4.22 * Use partykit instead of party for plotting classifier trees. version 0.4.21 * Fix bug in attribute evaluation interface code. version 0.4.20 * Fixed degenerate class levels in evaluate_Weka_classifier. version 0.4.19 * Upgrade to Weka 3.7.10. version 0.4.18 * Clarify that WPM() installations will not be persistent unless the Weka home directory was already created. version 0.4.17 * Add functionality for interfacing (some) Weka attribute evaluators, and register GainRatioAttributeEval() and InfoGainAttributeEval(). version 0.4.16 * Upgrade to Weka 3.7.9. version 0.4.15 * Export make_Weka_package_loader(). version 0.4.14 * Upgrade to Weka 3.7.8. version 0.4.13 * Ensure that WPM() does not terminate R (by calling Weka methods which call System.exit()). * Have .onLoad() ensure that if the directory given by WEKA_HOME (or its default $HOME/wekafiles) was not created yet, it gets created in tempdir(). version 0.4.12 * Upgrade to Weka 3.7.7. version 0.4.11 * Improvements and clarifications for Weka_control(). * Improvements for WOW(). version 0.4.10 * Do not call WPM() in the vignette examples, as this may write to the user's home directory in violation of CRAN's Repository Policy. version 0.4-9 * Upgrade to Weka 3.7.5. * Have write.arff() handle Date objects in addition to POSIXt ones. version 0.4-8 * Upgrade to Weka 3.7.4. * Add 4 more Weka datasets (diabetes, glass, ionosphere, vote), and update the cpu dataset. version 0.4-7 * Enhance .onLoad() to ensure Weka dynamic class discovery works on (headless) Java runtimes with no AWT [suggested by SU] (K). version 0.4-6 * Fixed problem with reading dates from weka in upcoming R 2.13.x (C). version 0.4-5 * Upgrade to Weka 3.7.3. version 0.4-4 * Evaluation can now handle classifiers with numeric class attributes. version 0.4-3 * Added support for Weka package infrastructure (K). version 0.4-2 * Split the Weka jar into a separate package RWekajars. (K) version 0.4-1 * Upgrade to Weka 3.7.1. * Changes in readers.R and RWekaInterfaces.java (FastVector was deprecated and Instance became an Interface). (C) version 0.3-25 * Upgrade to Weka 3.6.2. (K) * Rewrite tokenizer interfaces to cleanly split options from text. (C) version 0.3-24 * Bug fix for classifier default data handler. (K) version 0.3-23 * Stop using deprecated/defunct 'extended' in grep() and friends. (K) version 0.3-22 * Code cleanups. (K) version 0.3-21 * Rd fixes. (K) version 0.3-20 * Bug fixes for classifier model frame handling. (K) version 0.3-19 * Upgrade to Weka 3.6.1. (K) * Move to .jpackage() initialization. (K) version 0.3-18 * Bug fixes for tokenizers and control handlers. (K) version 0.3-17 * Import rJava but do not attach it. (K) version 0.3-16 * Add default formula/data handler for classifiers. (K) version 0.3-15 * Upgrade to Weka 3.6.0. (K) version 0.3-14 * Fix bug in model.frame.Weka_classifier(). (K) * Standardize/update message catalogs. (K) version 0.3-13 * Upgrade to Weka 3.5.8. (K) version 0.3-12 * Fix the problem that class levels may be missing in newdata in evaluate_Weka_classifier. (C) version 0.3-11 * We support now reading of ARFF files with sparse data. (C) * We use now a more direct approach to exchange data with Weka. This should reduce processing times considerably. (C) * R logical is now mapped to Weka's enumeration type, i.e., to {FALSE, TRUE}. (C) version 0.3-10 * Improve configuration/installation. (K) version 0.3-9 * Upgrade to Weka 3.5.7. (K) version 0.3-8 * Add tokenizer interface. (K) version 0.3-7 * Better expansion of base classifiers in meta learners. (K) * Require R >= 2.6.0. (K) version 0.3-6 * Improve package startup code. (K) version 0.3-5 * Improve Weka_control(), and allow for lists of control handlers. (K) version 0.3-4 * Upgrade to Weka 3.5.6. (K) version 0.3-3 * Minor documentation fixes. (K) version 0.3-2 * Minor bug fixes. (K) version 0.3-1 * Improve registration of stemmers and converters. (K) version 0.3-0 * Add interfaces for stemmers and converters (loaders and savers). (K) * Use Weka technical information when printing R/Weka interfaces. (K) version 0.2-14 * Upgrade to Weka 3.5.5. (K) version 0.2-13 * Upgrade to Weka 3.5.4. (K) version 0.2-12 * Minor code improvements. (K) version 0.2-11 * Require R >= 2.4.0. (K) version 0.2-10 (K) * Adjust for recent changes in package e1071. (K) version 0.2-9 * Added XMeans to interface for clusterers. (C) version 0.2-6 * Upgrade to Weka 3.5.3. Moved out persistence support as it lacks support from R and others :-( (C) * Support for Weka control lists in make_class_name_expander(). (K) version 0.2-5 * Added interface to Weka filters, fixed RWekaInterfaces.java to abstract class and its methods to class methods. Added escapes removal to read.arff. (C) * Added evaluate_Weka_classifiers.R (C) * Added low level functions for RWeka Java object persistence. (C) * Added Weka_control class. (K) version 0.2-4 * Upgrade to Weka 3.5.2. (K) * Exception and missing value fixes in RWekaInterfaces.java, classifiers.R, clusterers.R. Registered DBScan. (C)