GMDH Streamline Changelog

What's new in GMDH Streamline 5.29.0

Aug 9, 2022
  • Integrations:
  • Pronto connector.
  • General Features:
  • Added the Manufacturing groups.
  • To ship orders are always considered as a part of the forecast.
  • Ability to hide/show rows in the table in the Demand tab.
  • Removal/Substitution rules impact ‘To receive’ orders.
  • Added the ability to save changes in Planned orders dialogue.
  • Bug fixes.
  • UI/UX improvements.

New in GMDH Streamline 5.28.0 (Aug 9, 2022)

  • Server/Client app:
  • Catalog access setup process improvement.
  • Streamline Mac & Win version 5.28.0 (2022-07-06)
  • General features:
  • Group max lot constraint.
  • An option to create Removal/substitution rules for channels.
  • Ability to import new item codes via the Channel info tab.
  • New product forecasting by using an existing seasonal pattern.
  • Color-blind mode.
  • Manufacturing max lot constraint.
  • Option to consider quantity to ship as part of the forecast.
  • Ability to accumulate lead time demand (no lost sales).
  • Option to constrain manufacture orders by material availability.
  • UI/UX improvements.
  • Bug fixes.

New in GMDH Streamline 5.27.12 (Dec 23, 2021)

  • General features:
  • Max Lot constraint for a group of items
  • Multiple data sources connection
  • Exact Online connection
  • Turkish & French translations
  • Time machine improvements
  • Bug fixes
  • Stability improvements
  • UI/UX improvements
  • Server/Client app:
  • Major performance improvements
  • Removal/Substitution rules on server

New in GMDH Streamline 5.25.2 (Jun 9, 2021)

  • Odoo connection.
  • SAP Business One connection.
  • An option to keep safety stock with materials as opposed to finished items.
  • Ability to edit zero order quantities in the Planned Orders dialog.
  • Removal/substitution rules in the database connection and transactional spreadsheet connection.
  • Ability to set effective dates for substitutions.
  • Overrides for the Top-down forecasting coefficients.
  • Export forecast by channels from the Inventory Report tab.
  • Portuguese translation.
  • Ability to ignore the number of stockout days in the forecast properties.
  • An option to constrain transfer orders by the availability of items in the distribution center.
  • Ability to export forecasts and projected revenue to a database from the Reports tab.
  • Importing future Max lots as a table.
  • Price elasticity support in the forecasting settings.
  • UI/UX improvements.
  • Bug fixes.

New in GMDH Streamline 5.22.1 (Nov 6, 2020)

  • Implemented price elasticity test, improved precision of elasticity calculations
  • Added tags in the Video Tutorials tab, now you can filter tutorials by tag
  • Fixed bug - negative 'on hand' values were adding days of stockout to the period
  • Time Machine - a simulation tool that executes purchasing recommendations in a simulated ERP system Time passes as fast as your CPU allows showing you the future of your supply chain in all reports and tabs This feature can be used for supply chain stress-testing as it adds white noise to your demand plan
  • Other bug fixes
  • UI and UX improvements

New in GMDH Streamline 3.8.3 (Jun 6, 2018)

  • Fixed: No confidence band in the plot.

New in GMDH Streamline 3.8.2 (Jun 6, 2018)

  • Minor GUI improvements
  • Support for Academic License

New in GMDH Streamline 3.6.8 (Sep 3, 2015)

  • Bug-fixes.
  • Minor GUI changes.

New in GMDH Streamline 3.6.3 (Dec 19, 2014)

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

New in GMDH Streamline 3.6.2 (Dec 19, 2014)

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

New in GMDH Streamline 3.6.0 (Oct 9, 2014)

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

New in GMDH Streamline 3.5.9 (Aug 25, 2014)

  • 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.

New in GMDH Streamline 3.5.8 (Aug 1, 2014)

  • Improved GMDH Shell translation tool.
  • Fixed: Over-fitting in the Regression wizard.

New in GMDH Streamline 3.5.7 (Aug 1, 2014)

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

New in GMDH Streamline 3.5.4 (Jul 28, 2014)

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

New in GMDH Streamline 3.5.2 (Jun 19, 2014)

  • Completely reworked Financial Market plug-in.

New in GMDH Streamline 3.5.1 (Jun 4, 2014)

  • Minor GUI changes.
  • Bug-fixes.

New in GMDH Streamline 3.5.0 (May 27, 2014)

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

New in GMDH Streamline 3.4.1 (May 8, 2014)

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

New in GMDH Streamline 3.4.0 (Apr 22, 2014)

  • 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.

New in GMDH Streamline 3.3.2 (Mar 21, 2014)

  • Bug-fixes.

New in GMDH Streamline 3.3 (Mar 21, 2014)

  • Support for translations.
  • Minor GUI changes.
  • Bug-fixes.

New in GMDH Streamline 3.2.5 (Feb 3, 2014)

  • [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.

New in GMDH Streamline 3.2.4 (Feb 3, 2014)

  • Completely reworked tab Importance of variables.
  • 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.
  • Classification wizard now provides an option 'Balance distribution of classes'.
  • Bug-fixes.

New in GMDH Streamline 3.2.3 (Jan 3, 2014)

  • [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.

New in GMDH Streamline 3.2.2 (Dec 7, 2013)

  • Emergency bug-fix in the time series wizard.

New in GMDH Streamline 3.2.1 (Dec 6, 2013)

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

New in GMDH Streamline 3.2.0 (Dec 2, 2013)

  • [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.

New in GMDH Streamline 3.1.4 (Nov 9, 2013)

  • [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 crashed GS.
  • [bug] “Limit decomposition to” didn't work for numeric decomposition.
  • [bug] Binary decomposition prevented 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.

New in GMDH Streamline 3.1.3 (Nov 6, 2013)

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

New in GMDH Streamline 3.1.2 (Nov 2, 2013)

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

New in GMDH Streamline 3.1.1 (Oct 26, 2013)

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

New in GMDH Streamline 3.1.0 (Oct 24, 2013)

  • 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.

New in GMDH Streamline 3.0.6 (Sep 25, 2013)

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

New in GMDH Streamline 3.0.4 (Sep 25, 2013)

  • Minor GUI changes.
  • Bug-fixes.

New in GMDH Streamline 3.0.3 (Sep 25, 2013)

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

New in GMDH Streamline 3.0.2 (Sep 25, 2013)

  • 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

New in GMDH Streamline 3.0.1 (Sep 25, 2013)

  • 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.

New in GMDH Streamline 3.0.0 (Sep 25, 2013)

  • 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

New in GMDH Streamline 2.8.7 (Jun 27, 2013)

  • Optional forecast overriding.
  • Reworked forecast reports: export to Excel, vertical and horizontal alignment.
  • Toolbar configuration is now specific to each project.
  • Design-time panels are gathered in the sidebar. You can access them in Menu > View > Experimenter's sidebar.
  • Improved GUI.

New in GMDH Streamline 2.8.6 (May 30, 2013)

  • Increased calculation speed.
  • Minor GUI changes.
  • Bug-fixes.

New in GMDH Streamline 2.8.5 (May 30, 2013)

  • Minor GUI changes.
  • Financial markets plug-in reworked.

New in GMDH Streamline 2.8.4 (May 18, 2013)

  • Automatic tuning of templates. It is launched whenever you load a template and complete optimization dialog.
  • Installation of all packages from a single GMDH Shell installer instead of two separate installers.
  • Improved import and processing speed.
  • Bug-fix: Broken export of preprocessed dataset.
  • Minor GUI improvements.

New in GMDH Streamline 2.8.3 (Mar 21, 2013)

  • Bug-fixe: “Edit” link didn’t work.
  • Bug-fixe: Now GMDH Shell reads LibreOffice XLSX.

New in GMDH Streamline 2.8.2 (Mar 13, 2013)

  • Save-file '.model' now saves all settings, not just simulation results. Older save-file versions cannot be loaded to 2.8.2.
  • You can export model equation displayed in the Raw model panel. (Program Menu > Export > Save raw model formula > To text)
  • Added a new dialog and optimization engine that helps to configure a new GMDH Shell project. It optimizes 'Window size' and 'Number of layers'. The new dialog is shown only when you load the 'Time series Neural-type' template.
  • Bug-fixes and minor improvements.

New in GMDH Streamline 2.8.1 (Feb 5, 2013)

  • Import of all files within the project directory now is an option.
  • Minor GUI improvements.
  • Bug-fixes.

New in GMDH Streamline 2.8.0 (Dec 29, 2012)

  • Financial market plug-in was redesigned, added support for commercial data feed - IQfeed.
  • Reworked GUI of CSV/XLS/XLSX Import module.
  • Bug-fixes.

New in GMDH Streamline 2.7.1 (Nov 13, 2012)

  • Fixed: Trial period activation problem.
  • Minor bug-fixes.

New in GMDH Streamline 2.7.0 (Nov 3, 2012)

  • Completely reworked Financial Marker plug-in.
  • Project settings are now stored in gs_settings.xml. Old projects will be converted to new format automatically.
  • Recent projects list.
  • Numerous GUI improvements.
  • Minor bug-fixes.

New in GMDH Streamline 2.6.6 (Aug 13, 2012)

  • Various GUI improvements.
  • Residual analysis tab is now expanded with autocorrelations and residuals histogram.
  • SQLite export in the export plug-in.
  • Minor bug-fixes.

New in GMDH Streamline 2.6.5 (Jul 28, 2012)

  • 7-day trial system reset! You can activate trial for the second time.
  • Improved visualization: Colored histogram, expanding of scatter matrix plots on double-click, ClearType fonts.
  • Fixed: Unable to export formula from a save-file.
  • Default location for user templates and examples is now Documents folder (My Documents on XP).
  • Solver settings are hidden by default.
  • Minor GUI improvements.

New in GMDH Streamline 2.6.4 (Jul 20, 2012)

  • Scatterplot matrix for visualization.
  • ODBC / OLEDB import module.
  • In case of multiple data tables (usually files) imported data can be grouped by mutual variables. These groups can be explored or transformed in the same way as initial tables. See the Datasets panel of Data Manager tab.
  • If applicable the chart axis are now labeled.
  • Minor GUI improvements.
  • Fixed: Datasets tree has no expanding indication at the Data Manager tab.

New in GMDH Streamline 2.6.3 (Jun 4, 2012)

  • Import module can compose Date/time column from several columns containing year, month, week or day.
  • 3D Surface, Contour plot and Heat map was grouped under the Surface visualization panel.
  • Minor GUI changes and improvements.
  • Various small fixes.
  • Fixed: Residuals plot refresh problems.

New in GMDH Streamline 2.6.2 (Jun 4, 2012)

  • Fixed: Import module crashes because of data columns with empty headers.
  • Fixed: Problems with export of model formula to Excel.
  • Beta Update Channel: A new check-box in the software settings allows to receive notifications about preliminary (beta) versions of GMDH Shell.

New in GMDH Streamline 2.6.1 (Jun 4, 2012)

  • Time series preprocess now automatically extends Date/time variable into the future. This requires the Date/time variable to be recognized (marked green) and selected as the source of Row IDs in the import dialog.
  • Minor GUI improvements.
  • Fixed: Time series preprocessor loaded older projects inconsistently.
  • Fixed: Missed context menu in the Residuals chart.
  • Fixed: Incorrect visualization of Excel time format.

New in GMDH Streamline 2.6 (May 16, 2012)

  • Renewed GUI: Toolbars, Data Manager tab and Model browser.
  • Save charts as images (bitmaps - PNG and vectors - EMF), zoom out, switch to full-screen - now within the context menu (right-click) for all charts.
  • Date/time variable now can be analyzed using country-specific Holiday calendars.
  • Support for datasets with future data. (For example you have weather forecast or a schedule for data points you wish to forecast. Thus, these columns will be longer than the others.)
  • Two new options for learning Window size in the Time Series Preprocess panel: "Up to" and "Max. possible".

New in GMDH Streamline 2.3.2 (Jan 6, 2012)

  • Added a new 'Hold-out' parameter called 'missing values' that allows to hold-out and predict automatically all missing values of the target variable. In the previous versions of GMDH Shell this feature was always turned-on that resulted in significant workflow limitations.
  • Fixed: Plot tab visualization failure after clicking at 'Apply model' button.

New in GMDH Streamline 2.3.1 (Dec 21, 2011)

  • The Import module can now transpose the data files that store variables in rows - into the columns. (Since GMDH Shell works only with variables in columns).
  • Fixed: Processing could not be started while the dataset is opened by other applications (such as Excel, Notepad, etc.).
  • Fixed: The data preprocessing parameters could not be set from the command line.

New in GMDH Streamline 2.3 (Dec 14, 2011)

  • The new Import dialog with preview.
  • Reorganized time series preprocessor panel.
  • Multi-period time series simulations.
  • More consistent use of identifiers (IDs) for visualization.
  • Faster rendering of charts, and it no longer requires OpenGL.
  • Improved Table panel in Simulation results.
  • Smaller model files, faster loading of saved simulations. The old model files are no longer compatible.
  • Different types of parallelism in the case of a large number of small simulations.
  • Many small bug-fixes.
  • Minor changes in the user interface.

New in GMDH Streamline 2.2 (Nov 1, 2011)

  • Solver: Improved quality of Neural-type models. Elite selection of neurons was replaced by bi-criteria selection composed of testing error minimization and population diversity maximization. Repeated processing of any project now often produce slightly different models depending on how parallel tasks ware distributed across CPU cores.
  • Solver: Estimation of model coefficients using Robust regression (locked to MAE selection criterion).
  • File explorer: Pie chart, 3D Bubbles (OpenGL required), expanded Statistics table.
  • Preprocessor: Handling of spikes.
  • Preprocessor: Generation of lags with certain step. For example, preprocessor command VarName@0-30:12 means generation of lags with step 12 (only two lags will be generated within the interval 0-30).
  • New command line keys for batch-mode execution.
  • Improved standard templates.
  • Minor changes in user interface.

New in GMDH Streamline 2.1.3 (Oct 5, 2011)

  • New export plug-in for batch-mode exporting of postprocessed predictions.
  • Minor changes to user interface.
  • Minor bug-fixes.

New in GMDH Streamline 2.1.2 (Oct 5, 2011)

  • 2x faster processing thanks to low-level code optimization.
  • Fixed: Model averaging control was blocked.

New in GMDH Streamline 2.1.1 (Oct 5, 2011)

  • Fixed: Program registration fails on some computers.
  • Minor changes in user interface.

New in GMDH Streamline 2.1 (Oct 5, 2011)

  • New: Statistics, Correlogram and Pair-wise correlations in Data manager tab.
  • Much faster processing.
  • Estimation of remaining processing time in case of a single simulation.
  • Changes in dialogs: Load example, Save as template, Save as example.
  • Fixed: Failure to perform the sequence Load simulation > Apply model > Export current model values.
  • Fixed: Weighting of instances doesn't work when neural-type core algorithm is selected.

New in GMDH Streamline 2.0 (Oct 5, 2011)

  • New: Contour plot, Heat map and 3D Surface in the File explorer of Data manager.
  • New: Support for XLSX files.
  • New: Restored multi-core CPU support for Neural-type core algorithm.
  • New: Tabs are groped by plug-in modules.
  • New: Residual plot in the tab Simulation results.
  • New: License policy allows activation of GMDH Shell 2.0 Professional edition on two computers and after 4 months the activation process can be repeated at a new or upgraded computer.
  • Fixed: Failure to export some formulas that was loaded using Load simulation button.
  • Minor changes in graphical interface.

New in GMDH Streamline 1.9.2 (Oct 5, 2011)

  • Fixed: Unreadable XLS files led to a crash, for example, password protected XLS.

New in GMDH Streamline 1.9.1 (Oct 5, 2011)

  • Fixed: Administrative access is required to run an installed copy of GMDH Shell.
  • Now GMDH Shell always propose to store user-created Templates and Examples in a folder with guaranteed user-level access.
  • Minor GUI improvements.

New in GMDH Streamline 1.9 (May 26, 2011)

  • Improved Data manager:
  • Bar chart, Histogram, Colored scatter plot.
  • Splitter between input and target variable panels, splitter between File explorer and other panels.
  • New transformations: Decompose particular column, Weighted instances.
  • Reorganized panel of user-defined transformations.
  • Simplified time series preprocessor configuration.
  • Export of model predictions to XLS now works similar to the formula export.
  • Fixed: Inability to import XLS if any XLSX files are in the same directory. Usually indicated with the error message “quote in unquoted text”.
  • Fixed: Inability to import XLS files with blank rows on the top.
  • Minor changes in user interface.

New in GMDH Streamline 1.8.4 (Apr 18, 2011)

  • Unicode (UTF-8) data files are fully supported now.
  • Fixed: Inability to apply model from a save-file before the start button was pressed at least once.
  • Minor changes in user interface.

New in GMDH Streamline 1.6.2 (Jan 20, 2011)

  • Support for Unix delimiters in CSV files
  • User interface minor changes

New in GMDH Streamline 1.6.1 (Jan 20, 2011)

  • Improved documentation
  • User interface minor changes

New in GMDH Streamline 1.6 (Jan 20, 2011)

  • User can save/load models and apply them to new data.
  • Update notification.
  • Fixed an infinite loop with "Forecast latest observations" switched-off.
  • Moved some Solver settings from rules.ini to panel.
  • Improved sidebar minimize/maximize code.

New in GMDH Streamline 1.5 (Jan 20, 2011)

  • Rearrangement of Preprocessor options in Data manager
  • Separate handling of text data in input and target variables.
  • 5 options for missing value handling.
  • New data transformation type: Derivative.

New in GMDH Streamline 1.4 (Jan 20, 2011)

  • Unlimited number of inputs (up to 1GB of input files).
  • Multi-target simulation report.
  • New error measures at Performance panel.
  • Bug fixes.

New in GMDH Streamline 1.3.1 (Jan 20, 2011)

  • New button 'Save all settings' which is similar to save operation of Start button.
  • An option for handling any text as missing values.
  • Fixed problems with usage of custom missing value marks.
  • Fixed a crash in registration form, when there's no network.
  • Fixed normalizing transformation.

New in GMDH Streamline 1.3 (Jan 20, 2011)

  • New Data Manager tool.
  • Support for multi-output simulations.
  • Import of big files is now quicker and uses less memory.
  • New registration dialog allows automatic and manual registration.
  • Selectable prediction accuracy metrics.
  • Minor improvements.

New in GMDH Streamline 1.2 (Apr 5, 2010)

  • GMDH-type neural networks added.
  • Reduced memory usage on heavy imports
  • New Quick Start Wizard.
  • New dialog for creation of a project.
  • Minor improvements.
  • Minor bug-fixes.

New in GMDH Streamline 1.1 (Mar 22, 2010)

  • Nominal variables binary decomposition. Limited decomposition of most frequent variable values.
  • Handling of missing values.
  • Extended solver panel allows configuration of settings initially available only in rules.ini file.
  • Quantization of predictions.
  • Improved XLS import. Data block detection is now resistant to cells occasionally filled outside the data table.
  • Collapsing panels.
  • Plug-in window clean-up on new project loading.
  • Minor improvements.
  • Minor bug-fixes.