# Weka-3-4-8 Changelog

Designed for use with Ant.

2006-06-09 03:53 fracpete
    fixed some Javadoc
    added exception to buildClassifier if missing values are encountered
classifiers/bayes/NaiveBayesMultinomial.html (1.9.2.1)
2006-06-09 03:52 fracpete
    added exception to buildClassifier if there are 0 instances in the dataset
classifiers/bayes/ComplementNaiveBayes.html (1.2.2.1)
2006-06-09 03:51 fracpete
    added post-processing support for generated data (class PostProcessor and process-method)
    if a classifier performs worse than ZeroR it's no longer considered "failed"
classifiers/CheckClassifier.html (1.16.2.2)
2006-06-07 22:48 fracpete
    cleaned up imports
    removed custom splitOptions method with the one from the Utils class
gui/SimpleCLI.html (1.6.2.2)
2006-06-01 20:38 fracpete
    fixed calculation of correlation coefficient: for very small numbers, Utils.smOrEq() returned 0 which resulted in a correlation coefficient of 0 instead of e.g. 0.89 (Bernhard/Eibe)
classifiers/Evaluation.html (1.53.2.4)
2006-06-01 06:55 fracpete
    replaced tab, cr and lf with entities - avoids problems in options of OptionHandlers
core/xml/XMLSerialization.html (1.1.2.10)
2006-05-30 02:10 fracpete
    added missing attribute types for attribute info in parentheses, e.g, (Dat)
gui/AttributeVisualizationPanel.html (1.18.2.5)
2006-05-30 02:09 fracpete
    added missing attribute types for attribute info in parentheses, e.g, (Dat)
gui/visualize/MatrixPanel.html (1.11.2.2) gui/visualize/VisualizePanel.html (1.21.2.4)
2006-05-30 02:09 fracpete
    added missing attribute types for attribute info in parentheses, e.g, (Dat)
gui/explorer/ClustererPanel.html (1.45.2.5)
2006-05-30 02:09 fracpete
    added missing attribute types for attribute info in parentheses, e.g, (Dat)
gui/explorer/AssociationsPanel.html (1.17.2.2) gui/explorer/AttributeSelectionPanel.html (1.31.2.3) gui/explorer/ClassifierPanel.html (1.79.2.5)
2006-05-30 02:08 fracpete
    added missing attribute types for attribute info in parentheses, e.g, (Dat)
gui/boundaryvisualizer/BoundaryVisualizer.html (1.12.2.1)
2006-05-30 02:07 fracpete
    added missing attribute types for attribute info in parentheses, e.g, (Dat)
gui/beans/ClassAssignerCustomizer.html (1.3.2.1)
2006-05-23 22:11 fracpete
    brought up-to-date
gui/GenericObjectEditor.props (1.105.2.2)
2006-05-23 05:40 fracpete
    applied Eibe's fix regarding missing values and class attribute
filters/unsupervised/attribute/AbstractTimeSeries.html (1.3.2.1) filters/unsupervised/attribute/TimeSeriesDelta.html (1.2.2.1) filters/unsupervised/attribute/TimeSeriesTranslate.html (1.3.2.1)
2006-05-22 21:55 fracpete
    uses distributionForInstance now instead of classifyInstance
classifiers/meta/MetaCost.html (1.15.2.2)
2006-05-22 03:28 fracpete
    if class attribute is set, it is skipped now
    fixed loss of class attribute (problems with FilteredClassifier otherwise)
filters/unsupervised/attribute/FirstOrder.html (1.3.2.1)
2006-05-22 02:22 fracpete
    removed obsolete TODO
TODO.dtd (1.1.4.1) TODO.xml (1.1.4.1)
2006-05-22 02:03 fracpete
    added "*.xml" to target "srcjar" to also add the build.xml file to the jar
    moved CVSROOT to variable "cvsroot_anon" (easier maintenance)
build.xml (1.19.2.6)
2006-05-14 22:36 fracpete
    table is now read-only
    selection method is now SINGLE_SELECTION
gui/AttributeSummaryPanel.html (1.7.2.3)
2006-05-12 03:25 fracpete
    added "-g <file>" option for outputting the graph representation of Drawable clusterers
clusterers/ClusterEvaluation.html (1.27.2.1)
2006-05-11 22:31 fracpete
    fixed ambiguous output "Added driver", it now states success or error
experiment/DatabaseUtils.html (1.18.2.4)
2006-05-07 23:08 fracpete
    fixed toString() method - thanks to JosÈ Marco de la Rosa
core/matrix/Matrix.html (1.2.2.4)
2006-05-04 04:44 fracpete
    added additional information to the toString() method: it now lists number of instances that correspond to the minimum support for finding large itemsets
associations/Apriori.html (1.19.2.3)
2006-05-02 03:34 fracpete
    correct classIndex is set before ArffViewer panel is displayed
gui/explorer/PreprocessPanel.html (1.50.2.5)
2006-04-30 22:13 fracpete
    added tiptext for maximumAttributeNames
    fixed Javadoc
attributeSelection/PrincipalComponents.html (1.25.2.3)
2006-04-29 13:05 fracpete
    added -A option to getOptions, was missing
attributeSelection/PrincipalComponents.html (1.25.2.2)
2006-04-23 01:03 fracpete
    added comment that increasing heap size won't work from inside SimpleCLI
core/Memory.html (1.1.2.4)
2006-04-12 21:12 mhall
    Fixed bug in rule output. Second number in the brackets at a leaf now reports the rms error as a percentage of the global standard deviation.
classifiers/trees/m5/Rule.html (1.10.2.1)
2006-04-09 22:51 fracpete
    "apply filter" set the class index to a specific value, even though the datasets are handled internally without any specific class index. if the class index wasn't set before, it's now unset again after using the filter (otherwise using a user-supplied test set on the classifier panel won't work)
gui/explorer/PreprocessPanel.html (1.50.2.4)
2006-04-03 22:43 mhall
    Fixed so that .hsql props files are included in the archives.
build.xml (1.19.2.5)
2006-04-03 22:29 mhall
    Fixed bug in tree output. Second number in the brackets at a leaf now reports the rms error as a percentage of the global standard deviation.
classifiers/trees/m5/RuleNode.html (1.8.2.1)
2006-03-30 03:44 fracpete
    added alt+left mousebutton as right click alternative for Mac users
gui/TableSorter.html (1.1.2.2)
2006-03-30 03:44 fracpete
    added alt+left mousebutton as right click alternative for Mac users
gui/arffviewer/ArffPanel.html (1.1.2.3)
2006-03-27 02:51 fracpete
    fixed calculation of OutOfBagError
classifiers/meta/Bagging.html (1.31.2.2)
2006-03-23 23:52 fracpete
    acced 'maxmemory="128m"' to Javadoc generation
build.xml (1.19.2.4)
2006-03-21 03:46 fracpete
    crossvalidation was run with built Classifier instead of only configured Classifier
classifiers/Evaluation.html (1.53.2.3)
2006-03-14 00:12 fracpete
    GUI editors are now centrally registered via "GenericObjectEditor.registerEditors()"
classifiers/bayes/BayesNet.html (1.21.2.4) classifiers/trees/UserClassifier.html (1.18.2.1) gui/GenericArrayEditor.html (1.13.2.1) gui/GenericObjectEditor.html (1.38.2.7) gui/PropertySelectorDialog.html (1.5.4.1) gui/SelectedTagEditor.html (1.6.2.1) gui/beans/ClassifierCustomizer.html (1.6.2.1) gui/beans/ClustererCustomizer.html (1.1.2.1) gui/beans/FilterCustomizer.html (1.4.2.1) gui/beans/LoaderCustomizer.html (1.7.2.2) gui/beans/SaverCustomizer.html (1.1.2.2) gui/experiment/AlgorithmListPanel.html (1.7.2.6) gui/experiment/SetupPanel.html (1.23.2.4) gui/explorer/AssociationsPanel.html (1.17.2.1) gui/explorer/AttributeSelectionPanel.html (1.31.2.2) gui/explorer/ClassifierPanel.html (1.79.2.4) gui/explorer/ClustererPanel.html (1.45.2.4)
2006-03-14 00:12 fracpete
    GUI editors are now centrally registered via "GenericObjectEditor.registerEditors()"
gui/explorer/PreprocessPanel.html (1.50.2.3)
2006-03-14 00:07 fracpete
    GUI editor for Date format strings
gui/SimpleDateFormatEditor.html (1.1.2.2)
2006-03-11 05:45 fracpete
    fixed listOptions for -I
    fixed getOptions for -I
    added get/set methods for m_verbose (-V) and m_outputItemSets (-I)
associations/Apriori.html (1.19.2.2)
2006-03-02 20:41 fracpete
    fixed globalInfo
classifiers/meta/FilteredClassifier.html (1.20.2.2)
2006-02-21 03:08 fracpete
    extended Javadoc regarding attribute types
core/Instance.html (1.19.2.2)
2006-02-21 02:47 fracpete
    fixed/extended Javadoc regarding attribute types
core/Attribute.html (1.32.2.3)
2006-02-14 22:44 fracpete
    file SimpleDateFormatEditor.html was added on branch book2ndEd-branch on 2006-03-14 00:07:53 +0000
gui/SimpleDateFormatEditor.html (1.1.2.1)
2006-02-14 20:50 fracpete
    instances with missing values were added to the left-most bin for non-numeric classes (fix by Ashraf)
gui/AttributeVisualizationPanel.html (1.18.2.4)
2006-02-13 00:40 mhall
    Now does an exhaustive search :-)
attributeSelection/ExhaustiveSearch.html (1.8.2.2)
2006-02-09 21:28 fracpete
    fixed javadoc
    added paper reference
attributeSelection/SVMAttributeEval.html (1.17.2.1)
2006-02-09 02:37 fracpete
    added package "weka.classifiers.misc" again to the classifier list
gui/GenericPropertiesCreator.props (1.1.2.2)
2006-01-18 02:47 fracpete
    removed obsolete option -A
    fixed -Q and -E option: don't throw Exception when not supplied, but set default
classifiers/bayes/BayesNet.html (1.21.2.3)
2006-01-05 04:15 fracpete
    fixed setWeights method (thanks to Yang Yu)
classifiers/meta/MultiBoostAB.html (1.6.2.2)