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Changelog

Version 3.8.3 (2016-06-13)

  • Fixed: No confidence band in the plot.

Version 3.8.2 (2016-05-20)

  • Minor GUI improvements
  • Support for Academic License

Version 3.6.7 (2015-02-26)

  • Bug-fixes.
  • Minor GUI changes.

Version 3.6.3 (2014-12-18)

  • Improved demand forecasting wizard
  • Improved load forecasting wizard
  • Bug-fixes.

Version 3.6.2 (2014-11-14)

  • k-means and EM clustering algorithms and reports.
  • Logarithmic scale option in the Simulation results > Plot.
  • Minor GUI changes.
  • Bug-fixes.

Version 3.6.1 (2014-10-20)

  • Bug-fixes.

Version 3.6.0 (2014-10-08)

  • Improved memory usage.
  • Improved Demand forecasting wizard and templates.
  • Time series mode is now available in the Solver panel.
  • Improved ODBC/OLEDB connection.
  • Bug-fixes.

Version 3.5.9 (2014-08-18)

  • Selection of modeling algorithms in the Regression and Classification wizards.
  • Improved GMDH Shell translation tool.
  • Improved data format recognition in the CSV/XLS/XLSX module.

Version 3.5.7 (2014-07-25)

  • Improved GMDH Shell translation tool.
  • Improved Inventory replenishment wizard.

Version 3.5.4 (2014-07-14)

  • Improved ODBC/OLEDB module.
  • Improved Inventory replenishment report.

Version 3.5.1 (2014-06-03)

  • Minor GUI changes.
  • Bug-fixes.

Version 3.5.0 (2014-05-24)

  • New time series forecasting wizard that fully automate model building process.
  • Improved 'Inventory report' in Business Forecasting version.
  • Bug-fixes.

Version 3.4.1 (2014-05-07)

  • Improved 'Inventory report' in Business Forecasting version.
  • Bug-fixes.

Version 3.4 (2014-04-18)

  • Improved regression and classification wizards.
  • Added new machine learning algorithms: decision forest, stepwise regression (two variants - forward selection and mixed selection of variables), quick combinatorial algorithm (also known as best subset regression).
  • Improved reports.
  • Bug-fixes.

Version 3.3.2 (2014-03-21)

  • Bug-fixes.

Version 3.3.1 (2014-03-14)

  • Bug-fixes.

Version 3.3.0 (2014-03-01)

  • [New] Support for translations.
  • Minor GUI changes.
  • Bug-fixes.

Version 3.2.5 (2014-01-30)

  • [Improved] Now a menu option 'Export > Predictions' supports non-spreadsheet datasets, for example, CSV files.
  • [Improved] Classification and regression wizards now support optimization of settings for datasets with missing target values.
  • [Improved] DS and LF versions now include the command line functionality in the trial package.
  • Bug-fixes.

Version 3.2.4 (2014-01-24)

  • [Improved] Completely reworked tab Importance of variables.
  • [Improved] Notation of Lag transformation in model formula has been changed. And now we count lag depth starting from the last actual value instead of the last forecast value.
  • [Improved] Classification wizard now provides an option 'Balance distribution of classes'.
  • Bug-fixes.

Version 3.2.3 (2013-12-30)

  • [new] Data science examples: Car fuel consumption, Milk production.
  • [new] 'Special variables' section in the Transformations panel.
  • [improved] Reworked templates.
  • [improved] Reworked wizards.
  • [improved] Minor GUI changes.
  • Bug-fixes.

Version 3.2.2 (2013-12-06)

  • Emergency bug-fix in the time series wizard.

Version 3.2.1 (2013-12-05)

  • [improved] Forecasting parameters have been moved to the toolbar.
  • [bug] Issues with model formula.
  • Minor bug fixes.

Version 3.2.0 (2013-11-29)

  • [improved] Automatic detection and configuration of “CSV/XLS/XLSX connection” settings.
  • [improved] Removed limitations on the size of models exported to Excel by splitting formulas to several cells.
  • Minor bug fixes.

Version 3.1.4 (2013-11-08)

  • [new] “File > Revert to saved” in the menu allows to drop all unsaved changes to the current project.
  • [new] The label “Model fit” replaces “Learning”.
  • [improved] Less requirements for automatic generation of future timestamps.
  • [improved] Now GS suggests to save the current project before loading a new one.
  • [improved] “Model fit” replaces “Learning” in the titles.
  • [improved] Confusion matrix tab now has two sub-tabs with classification results.
  • [bug] Inability to save postprocessed predictions to a CSV-file.
  • [bug] Classification wizard crashes GS.
  • [bug] “Limit decomposition to” doesn't work for numeric decomposition.
  • [bug] Binary decomposition prevents GS from detecting if a target was erroneously added to input variables.
  • [bug] Problems with handling NULL values.
  • [bug] Ability to load a new project using the Home tab even if current project is being processed.

Version 3.1.3 (2013-11-06)

  • Export predictions of all targets at a time.
  • Remaining processing time replaced estimated time.
  • Fixed issues in the Data Science templates.

Version 3.1.2 (2013-11-01)

  • Export Excel formula of all targets at a time.
  • No need to save a new project on creation.
  • Minor improvements.
  • Bug-fixes.

Version 3.1.1 (2013-10-25)

  • Compose 'Timestamp' column from separate 'date' and 'time' columns.
  • Bug-fixes.

Version 3.1.0 (2013-10-21)

  • Updated templates and examples.
  • A new 'Wizard' system. Program menu > Simulation > Wizard.
  • 'Data explorer' now has additional control for dataset selection.
  • 'Time series modeling' panel and 'Solver' panel are redesigned.
  • Learning window parameter is now optimized automatically in the time series forecasting wizard. To change the window size manually we added a new transformation called the 'Window' in the 'Data manager' tab.
  • Fixed: 'Apply models' crashes the program in certain conditions.
  • Other bug-fixes.

Version 3.0.6 (2013-08-27)

  • New import module that performs order list import for inventory optimization.
  • Improved Inventory optimization report.
  • Minor GUI changes.
  • Bug-fixes.

Version 3.0.5 (2013-08-12)

  • Minor GUI changes.
  • Bug-fixes.

Version 3.0.4 (2013-08-09)

  • Minor GUI changes.
  • Bug-fixes.

Version 3.0.3 (2013-07-29)

  • Renewed Financial market module.
  • Fixed: ODBC\OLEDB import problem.

Version 3.0.2 (2013-07-24)

  • Preview for multiple files with the same extension and multiple sheets of XLS\XLSX.
  • Now if a target variable does not vary, for example, all observations are zero, then GMDH Shell produces constant predictions instead of throwing an error message.

Version 3.0.1 (2013-07-19)

  • New option in the 'Save as' dialog: save project without simulation results.
  • Improved 'Welcome page'.
  • Fixed: GS does not show simulation results immediately on processing completion.
  • Fixed: Example projects are deployed to incorrect directory.

Version 3.0.0 (2013-07-18)

  • GMDH Shell now uses project files with extension “.gsp”. You can double-click at .gsp file to open a project. When you open previously saved project including old .xml and .model projects, you should open the project file specifically, not a dataset like it was before.
  • Import of all sheets from XLS\XLSX workbooks.
  • New accuracy measures (R-squared and Correlation) for time series forecast.
  • New 'Welcome page' replaces functionality of the old Wizard dialog.
  • Bug-fixes
changelog.txt · Last modified: 2017/06/02 09:31 (external edit)

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