Release History continued...
09-03-06: Version 2.2.2
- Accelerated plotting with Core Graphics.
- Preference panel with new options for spectrum normalization.
- "Apply" button in Graph Controls to change all the plot settings at once.
- Consistent reconstruction plots for SSA and MTM.
- Wider pull-down menus for lists with data names.
- Default positions of the sliders in Manage data are set to the selected data extremes.
- Command +"w" to close all the plots.
- Zero padding to the nearest power of 2 in Manage Data.
- Updated gap-filling examples.
- Non-tapered Blackman-Tukey analysis.
08-07-06: Version 2.2.1
- optimized graphics for very large datasets.
- optimized performance for datasets with very small variance.
- optimized progress indicators.
- optimized default graph settings.
07-25-06: Version 2.2
- gap-filling feature to handle uneven data sampling or missing observations.
- alphabetical sorting in data pop-up menus.
- revised Automator actions.
- unrestricted functionality of a demo version for data in example projects.
-updated Help and examples
07-05-06: Version 2.1.1
- new Automator actions added for Data I/O
- memory usage added to Data I/O tables.
- minor bug fixed in scriptability for Data I/O
06-03-06: Version 2.1
03-24-06: Version 2.0-sorting has been added to MTM, SSA, MSSA and Data I/O tables.
- color and size settings for various Graph controls are auto-saved for future use.
- updated examples.
- runs on Mac OS X 10.3 and higher.
- It is "Universal Binary" which runs natively
on both PowerPC- and Intel-based Mac systems
03-24-06: Version 1.0.15
- Issue of memory leaks has been addressed.
- Confidence levels in SSA prediction plots.
- Simplified interface for SSA cross-validation.
- Certain plotting routines have been optimized.
- Input time series are not centered by default
- Time series centering in Data Manage utility.
- All Reconstruction/Prediction routines can handle non-centered time series.
- Imporved I/O for Netcdf
- Updated examples.
03-12-06: Version 1.0.14
-Time-series inspection added to Cross-validation for SSA Prediction of univariate data.
-MSSA Prediction for multivariate data.
-updated MSSA Reconstruction/Prediction Automator Action.
-Various minor improvements.
-02-10-06: Version 1.0.13
- Percentage of variance is displayed in SSA/MSSA "Components" table.
- Cross-validation for SSA prediction.
- Improved placement/format of axes ticks and labels.
- Enhanced options in demo version.
- Greatly improved stability.
01-08-06: Version 1.0.12
- Much faster plotting engine.
- Defaults option in Graph Controls.
- Optimized page layout for printing
12-18-05: Version 1.0.11.
-Log X-axis and legends added to Graph Controls.
-"filter out"option for Reconstruction in SSA, MSSA and MTM tools;
for detrending and filtering of the time series.
- Automator actions have been updated.
- Revised example projects: added Workflows and Hydrology example.
11-28-05: Version 1.0.10.
- MSSA Reconstruction action of Automator for multivariate data analysis.
-Linear transformation of X-axis in Graph Controls and Plot Data action of Automator, to have custom time indexing in plots.
-Making Graph Controls a child window of Active Plot is a custom option.
-Improved saving of project files: new Save As menu feature.
11-07-05: Version 1.0.9:
- SSA Prediction: see Prediction folder in Examples, and demo Workflow6 in Automator folder.
-Addresses an issue when MTM Reconstruction for very low frequencies results in zero vector.
-Number of axes ticks can be now set in Graph Controls and Automator Actions.
-A bug is fixed when plotting for custom settings of axes max and min values.
-Revised and improved Automator actions for SSA Reconstruction/Predicton, Plot Data, Plot Spectra, MTM Reconstruction and Save Plots; issue of getting empty plots has been addressed.
-Expanded demo projects with examples from Climate, Physics, Seismology, Paleoclimatology, Oceanography, Finance, Economics and Health sciences.
10-12-05: Version 1.0.8:
- New kSpectra Automator Actions: SSA and MTM Reconstruction, Plot Data; more examples of Automator WorkFlows.
-Simplified GUI with automatic retrieval of parameter settings for results of spectral estimation and reconstruction; see SSA, MTM, MSSA , MEM and BT-FFT tools; demo projects have been revised.
-Loading data is now independent on type of line endings in the file.
- Advanced Options drawers for MTM, SSA and MSSA tools now automatically close when tool changes.
-MTM and SSA reconstruction commands in kSpectra Scripting; Scripting examples have been revised.
09-14-05: Version 1.0.7:
- Support for Automator (Mac OS X Tiger, 10.4 and higher) has been added. kSpectra Automator Actions allow to create and manage WorkFlows for repetitive kSpectra tasks. See Automator FAQ for details and Automator folder in the distribution for example WorkFlows.
- Drawers of Advanced Options for MTM, SSA and MSSA now open on one side.
- Addresses an issue in which kSpectra could unexpectedly quit in MTM Reconstruction.
- Revised kSpectra Scripting: more options for MTM, SSA, MSSA, BT-FFT, MEM and Plots.
- Plot margins can now be set in Axes settings of Graph Controls window.
- Addresses an issue in reading data from files that end without a new line character.
-Spotlight FAQ has been added
07-07-05: Version 1.0.6:
- Support for AppleScript has been greatly expanded, with data objects and plots now being scriptable, and added scriptability for data I/O and interapplication communication.
- Projects files are indexed with Spotlight when running on Mac OS X Tiger: it will find project files using names of data objects, as well as graph titles.
- Clear All menu option has been added that removes all the data and graphs from kSpectra without terminating the program.
- Issue with occasional crashing on Panther (10.3.x) has been addressed.
05-26-05: Version 1.0.5:
Support for AppleScript has been added, which allows batch processing of data and automatic tasks. Please see Scripts folder in the distribution for examples, and FAQ for more details.
03-31-05: Version 1.0.4:
-Data I/O operations are included in Task manager .
-Pull-down menus with names of matrices and vectors are now content specific, i.e. Spectrum menu will display only matrices with spectral estimates, etc.
-Bug in Plot Two Spectra of Utilities has been fixed.
-Help Tips are provided for most GUI elements.
03-1-05: Version 1.0.3:
-Task manager is available: the user can now stop any computation task that takes a long time to complete, without quitting the program.
- Error bars in Blackman-Tukey FFT are available.
- Demo examples revised.
- Data loaded as vectors are no longer normalized.
02-12-05: Version 1.0.2:
- MSSA Reconstruction: data mean is now removed when it is plotted vs. reconstruction (Plot RCs button in Advanced options of MSSA).
- Bug in saving vector data has been fixed.
- Alternating colors are now used for PCs and EOFs plotting from SSA/MSSA results (Line and Symbol colors in Graph Controls).
- 'Null hypothesis' EOFs basis is available now for SSA significance tests. These EOFs are computed from the expected covariance matrix of the 'Null-hypothesis' by selecting AR(1) from the Basis popup-menu in Advanced SSA options. 'Null hypothesis' basis avoids artificial variance-compression towards low-frequencies inherited in SSA and therefore it has a lower probability of false-positive results, i.e. identifying the noise components as oscillatory significant.
-Saving/Opening Projects: Project file now stores not only data and figures, but also state of GUI elements (numbers, selections etc...)
- New Matrix->Matrix data management utility, which allows to extract specified matrix columns.
01-26-05: Version 1.0.1:
- minor problems with accessing Help have been fixed; Help is now available from kSpectra menu.
- minor computational bugs with input parameters have been fixed.
- smaller executable.
12-24-04: Version 1.0
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