CHANGELOG.md

Change Log

next - TBA

• ...

3.3.9 - 2016-12-02

Enhancements

• OWTranspose: Add a new widget (#1738)
• Add appveyor configuration (#1693)
• Vizrank indicators and filters (#1746)
• OWManifoldLearning: MDS - enable PCA initialization (#1702)
• Add VizRank to Mosaic (#1699)
• Setting migration (#1724)
• widget: Allow subclasses to disable the default message bar widget (#1543)
• Manifold Learning (#1624)
• SQL Server support in SQL widget (#1674)
• Visualize widgets: Output Annotated data and Fixups (#1677)
• Add support for PyQt5 (#1171)
• Simple benchmarking suite. (#1510)
• Canvas: Always show the link dialog if the user holds Shift (#1673)
• Scatterplot, HeatMap, TreeGraph, ConfusionMatrix and Unsupervised widgets: Output Flagged Data (#1655)
• CN2RuleViewer: Output sample of training data in absence of separate data (#1667)
• Metadata for data files (#1603)

Bugfixes

• owrank: Add migrate_settings (#1797)
• owconfusionmatix: Add migrate_settings (#1796)
• Improve ada boost widget (#1787)
• OWBoxPlot: Fixups (#1783)
• Filter: Fix FilterContinuous eq operator (#1784)
• OWDistanceMatrix: attribute in context (#1761)
• Hierarchical clustering: Make annotation a context setting (#1748)
• Fix varius deprecation (and other) warnings (#1774)
• Fix transformation for non primitive variables (#1770)
• TimeVariable: don't crash Data Table when reloading and Visualize ... (#1760)
• OWDistances: Mahalanobis wrong dimensions notification. (#1762)
• Switch Sieve to DomainModel, which also fixes VizRank crash on meta attributes (#1642)
• Confusion matrix: Map annotated data through row_indices, add probabi… (#1720)
• OWLoadClassifier: Show message on unpickling error (#1752)
• Silhouette Plot: Fixes (#1747)
• canvas/toolgrid: Remove (unused) mouse press event tracking (#1740)
• Box plot: Handle situation when quantiles can't be computed (#1742)
• owfile: Hide apply button after resetting editor_model (#1711)
• oweditdomain: Initialize var attribute (#1731)
• FeatureConstructor: Fix crash when new variable is created without data (#1733)
• owpythonscript: Fix QFileDialog.get{Save,Open}FileName usage (#1726)
• DendrogramWidget: Prevent a zero division error (#1725)
• owfile: Skip add_origin if no filename (#1717)
• OWFile: Do not load large files automatically (#1703)
• Do not show messages when data is removed (#1706)
• Confusion Matrix: Show error on regression results (#1709)
• Fix tests (#1698)
• Scatter Plot: Fix a error when restoring from pre DomainModel workflows (#1672)
• Tree Scorers: Change 'int64_t' to 'intp_t' for platform independence (#1687)
• OWTable: Sort Continuous metas as floats; not strings (#1678)
• Error Reporting: Temporary last open/save directory (#1676)
• TableModel: Don't crash on empty sparse data (#1675)
• Statistics.util.stats: Fix negative #nans for sparse (#1659)
• MDS Widget: Fix zero length line, gray square bug (#1670)
• Fix an error when using latest pyqtgraph develop snapshot (#1662)
• OWHeatMap: Resend 'Selected Data' when settings change (#1664)
• Fix pythagoras tree tooltip for regression trees (#1660)
• OWConfusionMatrix: Output None when no data is selected (#1653)
• OWBoxPlot: Reset widget's appearance when data is removed (#1654)

3.3.8 - 2016-10-11

Enhancements

• CredentialManager: Store passwords in System Keyring Services (#1641)
• Extend widget creation policy (#1611)
• File widget improvements (#1607)
• Remote reporting of unexpected errors (#1558)
• OWRank: Widget improvements (#1560)
• canvas: Indicate runtime state on links (#1554)
• Rule induction (CN2) (#1397)
• Upgrade OWSvm unittests (#1499)
• Enable Ward clustering in Hierarchical clustering widget (#1515)
• PCA transformation speedup (#1539)

Bugfixes

• owsql: Fix bug when using connection before established (#1638)
• Scatterplot: Reintroduce sliders for size and opacity (#1622)
• Reporting tabular in Data Table and Rank widgets (#1573)
• BoxPlot crashes on variables with no known values (Fixes #1568) (#1647)
• Canvas: Replace illegal file-name characters with _ when saving workf… (#1644)
• OWScatterPlot: Fix progress bar percentages running over 100% (#1645)
• OWFile: Report errors for incorrect file formats instead of crashing (#1635)
• OWFeatureConstructor: Fix domain check for only meta data sets (#1632)
• gui.lineEdit: Restore changed state tracking (#1630)
• errorreporting: Fix an KeyError for a missing 'Widget Module' entry (#1625)
• win-installer: Build scikit-learn in windows installer build script (#1623)
• owlearnerwidget: Fix output initialization (#1562)
• gui: Add a push button class adapted for variable width text (#1614)
• : Add Explicit flag to supplementary Table learner output (#1617)
• Silhouette: Auto-commit on changing checkbox state (#1606)
• Linear regression: Fix Elastic net; Fix Auto-apply buttons (#1601)
• ROC Analysis - Fix roc averaging (#1595)
• OWBaseLearner: Do not re-fit if name has changed (#1580)
• Context attributes with metas in Sieve and Mosaic (#1545)
• Variable: Fix Variable.copy for StringVariable and TimeVariable (#1589)
• Stats: Fix counting of missing values for non-numeric data (#1585)
• Load Classifier widget sends classifier on init (#1584)
• Context settings (#1577)
• Fixed svg function to return svg chart together with container div for highcharts (#1541)
• Fix compatibility with Color widget (#1552)
• Gini impurity: formula and docstring fixed. (#1495)
• owimageviewer: Open local images directly (#1550)
• Fix loading of datasets with paths in variable attributes (#1549)
• Confusion matrix: fix selected_learner setting (#1523)
• canvas/addons: Remove wrong/unnecessary proxy mapping (#1533)
• Scatterplot: Score Plots crash if multiple attributes have the same score (#1535)
• ScatterPlot: Score Plots window title changed to title case (#1525)
• Predictions: column size hint (#1514)

3.3.7 - 2016-08-05

Enhancements

• ImageViewer: Add a 'Preview' like window (#1402)
• Pythagorean tree and Pythagorean forest widgets (#1441)
• New workflow examples for the Welcome screen (#1438)
• Test widgets on travis (#1417)
• Save painted data to schema (#1452)
• Welcome screen: New icons for welcome screen (#1436)
• SqlTable: Automatically recognize date/time fields (#1424)
• Proxy support for add-on installation (#1379)
• Automatically create required SQL extensions (#1395)
• Ranking for Sieve, refactoring of Sieve, Mosaic and VizRank (#1382)
• Rank adopted for sparse data (#1399)
• PCA: Add lines and labels showing the explained variance (#1383)
• Implement copying graph to clipboard using Ctrl-C (Cmd-C) (#1386)
• Parallelized cross validation & other evaluation methods (#1004)
• Image viewer thumbnail size (#1381)

Bugfixes

• Table names set by readers (#1481)
• OWRandomForest: Fix, refactor and widget tests (#1477)
• KNN: Fix crash when Mahanalobis metric is used (#1475)
• Fix AdaBoost widgets and add some tests (#1474)
• Table: Fix ensure_copy for sparse matrices (#1456)
• statistics.utils: Fix stats for sparse when last column missing (#1432)
• MDS and Distances widges fix (#1435)
• OWBaseLearner: Learner name is changed on output when user changes it and auto apply selected (#1453)
• Stop advertising support for weights in LogisticRegression. (#1448)
• OWScatterPlot: Fix information message reference (#1440)
• Fix Tree preprocessor order. (#1447)
• SqlTable: Cast to text for unknown and string types (#1430)
• NaiveBayes: Handle degenerate cases (#1442)
• OWBoxPlot: Show corresponding label when ploting discrete variable (#1400)
• Lin and Log Regression: Prevent double commit (#1401)
• KMeans: Silhouette score format precision fixed to integer (#1434)
• Select Rows: skip undefined TimeVariable filters (#1429)
• OWTestLearners: Fix reporting results table (#1421)
• Scatterplot: Sends none in no instance selected (#1428)
• PCA: Fix the variance spin. (#1396)
• overlay: Auto disconnect when the overlay widget is deleted (#1412)
• PaintData: Send None instead of empty table when the plot is empty (#1425)
• Rand Forest Class: Min sample replaces max leaf nodes (#1403)
• SelectRows: Index attrs only by visible in set_data (#1398)
• File: Stores filenames to image attributes (#1393)
• Fix a logging error on windows (#1390)
• OWLearnerWidget: Don't crash when training data contains no features (#1389)
• TimeVariable: fix repr rounding and repr for nan (#1387)

3.3.6 - 2016-06-24

Enhancements

• Automatically discretize continuous variables in Sieve (#1372)
• Nicer reporting of tabular data (e.g. Confusion Matrix) (#1309)
• Match only at the beginning of word in quickMenu search (#1363)
• Univar regression coefficients (#1186)
• Add Mahalanobis distance (#1355)
• Move Data Table higher in the 'suggested widgets' list (#1346)
• Support Distances on Sparse Data (#1345)
• Add auto apply to Test & Score (#1344)
• Support unix timestamps in TimeVariable (#1335)
• Skip Hidden Attributes in SelectRows (#1324)
• Preprocessor widget: add random feature selection (#1112)
• Sort list of available add-ons (#1305)

Bugfixes

• Fix and improve handling of input data in PaintData (#1342)
• Mosaic: Output original data, not discretized (#1371)
• Fix report for OWLinearProjection (#1360, #1361)
• Fix auto-apply in SelectColumns (#1353)
• Fix a RuntimeError in ImageViewer when clearing the scene (#1357)
• Use https to query pypi API (#1343)
• OWBaseLearner: Add name attribute to learner (#1340)
• Pass data attributes after preprocess. (#1333)
• Better support for sparse data (#1306)
• gui.auto_commit: Fix crash when caller gives argument (#1325)
• Fix image viewer runtime error (#1322)
• Better selection indicators in canvas (#1308)
• Open correct help file for add-on widgets (#1307)

3.3.5 - 2016-06-01

Bugfixes

• Revert hack that caused missing icons in osx build
• Fix installation in environments without numpy installed (#1291)
• Allow running of library test when PyQt is not available (#1289)

3.3.4 - 2016-05-27

Enhancements

• Install add-on by dragging zip/tgz/wheel onto the addons dialog (#1269)
• Added missing reports (#1270, #1271, #1272, #1273, #1279)
• Add auto-apply checkboxes to learner dialogs (#1263)
• Sort numeric values as numbers in Table (#1255)
• Open dragged files in OWFile (#1176)
• Support context cloning in FeatureConstructor and SelectRows (#1196)

Bugfixes

• Depend on scikit-learn>=0.17 (#1277)
• Fix installation problem on windows (#1278)
• Fix crash in K-means when silhouette cannot be computed (#1247)
• Fix crash in Distributions on empty data (#1246)
• Reset outputs in MergeData (#1240)
• Compute distances between constructed Instances (#1242)
• Fix links in Changelog (#1244)

3.3.3 - 2016-05-03

Bugfixes

• Revert installation of desktop launcher on Linux (#1218)
• Fix a crash when learner is connected to file (#1220)

3.3.2 - 2016-04-22

Enhancements

• New preprocessors ReliefF and FCBF (#1133)
• New feature scorers ANOVA, Chi2 and Univariate Linear Regression (#1125)
• Mosaic plot can display numeric attributes (#1165)
• Sheet selection for excel files in File widget (#1164)
• Check code quality with pylint on Travis (#1121)
• Improve PyQt5 forward compatibility (#1029)
• Include default datasets in File widget (#1174)
• Install desktop launcher on linux (#1205)

Bugfixes

• Fix a bug in nested transformation of instance (#1192)
• Fix vizrank's crash when pair had no valid data (#1189)
• Save Graph doesn't save axes (#1134)
• Open included tutorials with correct dataset (#1169)
• Disable bsp index on the main canvas scene (#1168, #1173)
• Fix FeatureConstructor crash with Python 3.5 (#1157)
• Include feature names in Rank Widget report (#1022)
• Decrease memory consumption in PCA (#1150)
• Fix dragging of treshold in PCA widget (#1051)
• Save TimeVariable in ISO 8601 format (#1145)
• Allow use of feature metadata in MDS (#1130)
• OWSelectColumns: fix drag and drop for features with Unicode names (#1144)
• Warn when setting values are not present on instance (#1139)
• Fix printing of Table with a TimeVariable (#1141)
• Fix Test & Score widget report (#1138)

3.3.1 - 2016-03-24

Enhancements

• Rank widget outputs scores
• SGD Regression widget: Fixed layout and added reporting

Bugfixes

• Windows installer: update pip on target system if required

3.3 - 2016-03-18

Enhancements

• Changed layout of File widget
• Distance matrix widget
• Meta attributes in Sieve and Mosaic
• New type of variable: Time variable
• Report for Distance Transformation widget
• Report for Linear Regression widget
• Report for Univariate Regression (fixes #1080)
• score.FCBF: a Fast Correlation-Based Filter for feature selection
• Sieve enhancements
• Silhouette Plot widget
• Venn Diagram: Add option to output unique/all instances.
• Widgets for saving and loading distances

Bugfixes

• breast-cancer.tab: change type of tumor-size column (fixes #1065)
• Color: Do not resize columns in continuous table to contents (fixes #1055)
• Exporting graphs to dot format
• OWDistributions: Do not remove constant attribute and do not draw if there is no data
• OWRank: Give name to Scores output table
• OWRank no longer crashes when additional learners are available
• ReliefF: Support for missing target values
• Report: Fix crash on reporting tables
• RF without pruning by default

Documentation

• Update build/install/contributing READMEs
• Update documentation in widget.rst

3.2 - 2016-02-12

• Finalized Orange 3.2, switched to stable(r) release cycles

0.1 - 1996-10-10

• Initial version based on Python 1.5.2 and Qt 2.3