# SOSstat Changelog

In this page, you can follow the progress of **SOSstat** developments

## SOSstat 4.0

4.0.0.0 (13/09/2023) -> 4.0.0.21 (26/07/24)

- [New] New development environment and code optimization for improved software performance
- [Mod] Search for k smallest or k largest values in the grid
- [New] Support for svg files under Windows
- [Mod] Improved quality of exported images
- [New] New high-definition icons
- [New] Confidence interval calculation wizard
- [New] Better support for the dark theme
- [Mod] Support for quantitative factors in full factorial designs

## SOSstat 3.5

3.5.5.0 (14/05/2023) -> 3.5.5.1 (23/05/2023)

- [New] Outlier detection: MADe test added
- [New] Outlier detection: Tukey test added
- [Mod] Descriptive statistics: MAD indicator added
- [Mod] Measurement capability : Add measurement table in the report
- [Mod] Descriptive statistics: Modification of results table formatting
- [New] Descriptive statistics: Treatment of categorical variables

3.5.4.0 (23/05/2022) -> 3.5.4.11 (15/03/2023)

- [Mod] Boxplot : option to sort the variables in alphabetical order
- [New] Simple regression : residuals can be stored in a new data grid
- [Mod] Multiple regression : anova table for coefficients
- [New] Summary statistics for data range by right click
- [New] Serial tests : addition of the equivalence test of average
- [New] Ajout d'une boite de dialogue pour gérer les propriétés des colonnes

3.5.3.0 (17/09/2021) -> 3.5.3.12 (16/05/2022)

- [Mod] Equivalence tests: adding intermediate results to the report
- [New] Addition of an unsupervised classification method: Kmeans and Gaussian Mixtures
- [New] Add a scatter plot with category identification
- [Mod] Improved correlation matrices and color scales
- [Mod] Add a contextual menu on the data grids to rename and add grids
- [Mod] Modification of the setup to solve permission problems
- [Mod] Add a message in case of network failure
- [Mod] Update of the documentation
- [New] Ability to export a report in a language other than the default language
- [Mod] Improved graphics for testing multiple proportions
- [Mod] Bartlett's test, taking into account zero standard deviations

3.5.2.0 (01/06/2021) -> 3.5.2.7 (11/09/2021)

- [Mod] Update of the documentation in English
- [Mod] Update of the German translations
- [Mod] Improvement of the design of experiments prediction tool
- [Mod] Sample plan wizard, calculation of average sample size
- [Mod] Improvement of the serial link with the addition of a timeout in the connection tests

3.5.1.0 01/03/2021 -> 3.5.1.11 12/05/2021

- Report: direct export of the analyses into a report in
*Open Document*(ISO) format compatible with most word processors - [Mod] Added protection not to overwrite data in grids for function numbers (DOE, row operations, stack/unstack data, random number generator)
- Import and export projects to duplicate analyses from one file to another
- [Mod] Sampling plans wizard: calculation of the average number of parts to be checked
- [Mod] Process capability : calculation of the short term capability (several samples) even if only one column of data is selected
- [Mod] Kruskal-Wallis test: automatic exclusion of samples of size n=1
- [Mod] Outlier testing: setting up tests for several samples
- (Mod] Deletion of the login. The system username is retrieved automatically.

3.5.0.0 11/01/2021 -> 3.5.0.9 10/02/2021

- [Mod] Design of experiments: Modification of regression graphs and DOE
- [Mod] Experimental designs: Analysis of residues in options
- [Mod] Measurement capabilities : Addition of configurable detection thresholds
- [New] Type 1 measurement capabilities: Adds customizable detection thresholds and new graphics
- [New] Simple regression: Addition of orthogonal regression, which can be used for equivalences of measurement methods
- [New] New display format for analysis results, with the possibility of direct printing
- [Mod] Improved processing and graphics speed on the Windows 10 platform
- [Mod] Statistical tests: redesign of graphics
- [Mod] Linearity of the measurement: addition of a relative bias criterion

## SOSstat 3.4

3.4.7.0 01/11/2020 -> 3.4.7.8 03/12/2020

- [Mod] Improved calculation time for D-optimal plans
- [New] Measurement bias: tests on acceptable deviation
- [Bug] Complete plan: Saving level labels
- [Mod] Improved graphics speed
- [New] Transfer of tolerances: addition of the quadratic model
- [Mod] S plans: option to display sample labels
- [Mod] Filtering: new data filtering criteria added
- [New] Robust regression (Passing-Bablok)

3.4.6.0 14/10/2020

- [Mod] Improved report printing
- [Mod] Improved image quality in rtf reports and pdf printing
- [Mod] Boxplot: addition of the 6 Sigma interval as an option
- [New] Addition of principal component analysis
- [New] 3D graph: Adding a 2D contour graph
- [Mod] Report: possibility to change the order of analyzes

3.4.2.0 -> 3.4.5 01/09/2020

- [Mod] Sampling plan wizard: Addition of the reliability indicator R95
- [Mod] Sampling plans wizard: Storage of parameters in the project
- [Mod] Efficiency curves: Addition of the reliability indicator R95
- [Mod] Efficiency curves: Storage of parameters in the project
- [New] Automatic report: possibility to change the order of analyzes
- [New] Two-level fractional designs: automatic assignment of factors in columns
- [Mod] Multiple tests: applying tests against a reference sample
- [Mod] Multiple tests: added standard deviation comparison test (Fisher test) and Ansari-Bradley test
- [Mod] Normality test : possibility to test the normality of several samples (in row or in column)

3.4.1.0 07/05/2020

- [New] Population equivalence test taking into account replications (FDA)
- [Mod] Density estimation: Update the display when the scale factor is changed
- [Mod] Addition of a modality selection button for data filtering
- [Mod] Control chart, addition of a label per sample
- [Mod] Improved graphics
- [Mod] Improved some graphics
- [Mod] Update of the documentation in French and English

3.4.0.0 2/03/2020 -> 3.4.0.6 3/04/2020

- [New] Two-level fractional design of experiments
- [New] Dialog box allowing to unlock files
- [Mod] Application of a correlation test in the correlation matrix
- [Bug] Protect input in multi-characteristic capabilities
- [Mod] Improved RTF export
- [New] Added Boxplot + Histogram chart in descriptive statistics function

## SOSstat 3.3

3.3.3.0 03/07/2019 -> 3.3.3.8 03/02/2019

- [New] Multicharacteristic Sampling plan for measures: sampling plan processing
- [Mod] Improvement of the sampling plan wizard with the inclusion of capabilities
- [New] Accessing SOSstat example files from the help menu
- [Mod] Improved display of non-parametric test results
- [Mod] UTF8 fixes
- [Mod] Adding column names in Excel exports
- [New] Setting up protection to prevent concurrent opening of files
- [New] Desirability function for optimizing multiple responses in designs of experiments
- [New] Second method for calculating the number of replications for designs of experiments
- [Mod] Test of normality integrated into capability studies
- [Mod] Improved rendering of 3D Surfaces with interpolation
- [Mod] Scatterplot plot matrix improvement (correlation)
- [New] Addition of a normal probability plot in addition to the normal quantile plot
- [Mod] In measurement sampling plans, possibility to define targets with capability indices
- [Mod] Improved display of boxplots and run charts

3.3.2.0 18/04/2019 -> 3.3.2.2 09/05/2019

- [New] Empirical distribution functions plot
- [New] Bubble plot
- [New] Multivari plot
- [New] Exporting data to Excel
- [Mod] Modification of factor labels in Plackett and Burman designs
- [New] Rewriting algorithms in C
- [New] One sample signed ranked Wilcoxon test

3.3.1.0 04/10/2018 -> 3.3.1.10 28/03/2019

- [New] Sampling plan to measurements (Method S)
- [Mod] Equivalence tests: equivalence limit calculation wizard added
- [Mod] Modification of the normal quantile plot and integration in several analyses
- [Mod] Update of documentation in French and English
- [New] Support for singular matrices in multiple regression and design of experiments
- [Mod] Modification of the graph of the population equivalence test
- [New] Sampling plan: addition of skip lot procedure
- [New] Possibility to add tooltips in the columns of the data grids
- [Mod] Interactive display in 2D graphs

3.3.0.0 17/05/2018 -> 3.3.0.10 30/09/2018

- [New] 64-bit compilation
- [Mod] Introduction of icons in project management
- [New] Label settings for histograms and boxplots
- [New] Support for antialiasing on graphics
- [Mod] UTF-8 support for report exports in HTML
- [New] Calculation of centering coefficient in capability analysis
- [Bug] Fixes in the sampling plan wizard.The calculation of the equivalent plan can determine the plan parameters for a value of p10 or p95.
- [Mod] Addition of a data export function in the efficiency curves of sampling plans
- [New] In the sampling plan wizard: The numerical values of the efficiency curves (OC curve) can be exported in the data grid
- [New] Process Capability with Weibull's distribution
- [New] In the search function, possibility to navigate in the search results
- [New] In search function, ability to exclude data from search result
- [Mod] Changed the display of sample parameters in equivalence tests
- [Mod] Changed the display of sample parameters in equivalence tests

## SOSstat 3.2

3.2.6.0 10/01/2018 -> 3.2.6.3 05/03/2018

- [Mod] Modification of the display of the results table in measurement capabilities, 1-part method
- [New] Functions rewriting in C to speed up the calculations
- [Mod] Addition of the function "Control post" in the control charts for an interactive monitoring of the process with an alarm management
- [Bug] Correction of median storage for on a sample sign test
- [Bug] Regression on calculating the short-term standard deviation of cards to individual values
- [Mod] Modification of normal Quantile plot

3.2.5.0 02/11/2017 -> 3.2.5.2 15/11/2017

- [Mod] Calculation of fs and fsigma in the sampling plan wizard
- [New] Added a wizard for statistical test selection
- [New] Added sign test on a sample
- [New] Added the two proportion or frequencies comparison test, using the Poisson distribution
- [New] Added one proportion exact test
- [New] Added one sample proportion test - Poisson's distribution
- [New] Graphs of confidence intervals for proportion tests
- [Mod] New layout of the dialog box for proportion tests
- [Bug] In the graphics tablet module, fixed a bug present in Windows 7 preventing the closure of the dialog box.
- [New] Added a proportion graph in the test for k proportions
- [Bug] Fixed 3D graphs in case of missing data
- [New] Delete the button to save the project comments, the backup is done automatically
- [Mod] condensed view for control, in control charts with measurements
- [Mod] The dialog boxes does not close if there is an entry error
- [New] Automatic backup of files
- [Bug] Nombreuses petites corrections
- [Mod] Conversion of statistical distribution in C code to improve the calculation speed
- [Mod] Display variable labels on the Correlation Matrix
- [New] Settings of automatic saving in the preferences window

3.2.4.0 28/03/2017 -> 3.2.4.4 12/06/2017

- [New] New wizard to calculate the number of replications in an experimental design
- [New] Added the log-normal distribution in the statistical distribution wizard
- [New] Addition of the post-processing in the serial link to update analyzes during data acquisition
- [Mod] During the automatic execution of the analysis, the settings dialogs are no longer displayed. Treatment is therefore faster.
- [Mod] Improvement of the display of the control charts with the enhancement of out of control points
- [Mod] Reorganization of results for measurement capability
- [Mod] Modification of the entry of the parameters of the Fisher Exact test to be able to enter the sample size or the number of individuals by category
- [Bug] Fixed copy-paste with some accented characters on windows platform
- [Mod] Changed layout of capability results

3.2.3 02/03/2017

- [New] Wizard of creation and modification of sampling plans.
- [Mod] Optimization of the D-optimal algorithm
- [Mod] Documentation update in English

3.2.2.0 02/04/2016 -> 3.2.2.5 26/08/2016

- [New] Added tolerances in the module
*Density estimation*to calculate the non-conforming rate and capability indicators. Improved calculation speed. - [New] LQ Sampling plan Wizard: suppressed the exact calculation as too slow when goals are the ppm
- [New] Added a wizard to perform conversions between Capability index and nonconforming rate
- [Mod] Improvement of the tolerance transfer module (specigraph): Modification of graphs and improvement of the algorithm
- [New] Create a package .deb for Linux Ubuntu / Debian
- [New] Functions rewriting in C to speed up the calculations
- [Bug] GUI fixes on the Win32 platform
- [Bug] Calculations fixes in the tolerances transfer function
- [Bug] The correlation matrix graph is no longer interpolated under windows
- [Mod] Option to keep previous graphs displayed in Histogram, Synthesis Graph, Contingency Table, 3D and 2D Graphs
- [New] Addition of the Friedman nonparametric test
- [New] 2D Grapher supports dates
- [Mod] Support for bilateral tolerances in capabilities with log-normal distribution
- [Mod] No dot display in boxplots when sample size exceeds 200 values

3.2.1.0 14/01/2016 -> 3.2.1.4 13/04/2016

- [Bug] Full factorial and Plackett - Burman DOE : fixed display of the effects table
- [New] Reliability : The success test displays the optimal sample size. The test is generalized to the case where one or more faults are detected.
- [New] Reliability : The coordinates of the points on the reliability charts are obtained with the mouse
- [New] Full factorial and Plackett and Burman DOE : Display of effects and interactions graphs
- [Mod] Plackett and Burman Desing : ability to change the direction of array creation and improvement of settings
- [Mod] Plackett and Burman Design : customization of factors labels
- [New] Random number generator : Added log-normal and Weibull distribution. Improved algorithm for the Poisson distribution.
- [Mod] Ability to display the tolerances on a control chart
- [Mod] Ability to make MSA ANOVA analysis with one reproducibility condition
- [Bug] Display of the control chart log when the range of points is modified
- [Mod] Improved management of input errors in the control charts
- [Mod] The lambda is configurable in the EWMA control chart
- [Mod] The labels and column sizes are saved in the file even if the columns are empty.
- [New] The summary function is stored in the project to be restarted automatically. Added new operators.
- [Mod] Addition of the p-value on the Cochran test
- [Bug] Statistical interval: correction of the calculation of the one-sided prediction interval of the means

3.2.0.0 01/09/2015 -> 3.2.0.6 28/11/2015

- [New] Added functions mean, var and stdev in advanced inline operations
- [New] Added statistical summary function
- [Mod] Changed Weibull and exponential distribution graphs in order to zoom in and move around on the chart
- [Mod] Reliability: added confidence band ranks
- [Mod] Reliability: added test success failure test to validate a reliability target
- [New] Added reliability assistant for success test to calculate the sample size or the minimum reliability level guaranteed
- [New] Central Composite Design
- [New] Box-Behnken design
- [Mod] Added log10 scale in the graph module
- [Bug] Fixed bug for the display of buttons in the windows "probability of interference"
- [Mod] Addition of the p-value in the Kolmogorov test
- Search for data in the grid, by intervals or with a list of criteria
- [Mod] Added the prediction interval in the prediction graph of DOE
- [New] Possibility to set the font size and width of columns in the grid
- [Mod] Improved display of strata in process capability (mixture of normal distributions)
- [Mod] Added options for displaying boxplots
- [Bug] Display functions in the editor for custom transformations
- [Mod] Improved management of encryption keys
- [Bug] Changed capability labels in Doc Stat comments
- [Mod] Improved Multiple Regression window
- [Mod] Ability to select the active cell in the window "Calculation in column"

## SOSstat 3.1

3.1.12 04/07/2015

- [New] Storing comments in the analyzes. This information can appear in the report on the user setting.
- [New] Automatically open reports with the software associated with the .rtf extension
- [Mod] Changed the scale of the abscissa of the Weibull regression model (Modelling of reliability)
- [Mod] Added corrective coefficient in Bartlett tests
- [Mod] Added corrective coefficient in the Wilcoxon Mann-Whitney U test (to manage equalities)
- [Bug] Fixed data cleaning bug in ANOVA (Version 3.1.10.5)
- [Bug] In the advanced online operations module, execution of complex scripts is now possible on the Win 32 platform

3.1.11 03/05/2015

- [New] Validation function of incoming tools to check the capability and compatibility of centering
- [New] Ability to build an Xbar control chart with data in a single column
- [New] prediction tool in the design of experiments
- [Mod] Elimination of samples with zero variance in ANOVA (without stopping the calculation)
- [Mod] Calculation field to set the probability of the binomial distribution in the distribution wizard
- [Mod] Enhanced copy paste and copy range to column label (remove carriage return)
- [Bug] Rewrote the data collection function for the Xbar card to correctly process capabilities in case of variable target

3.1.10 15/01/2015

- [New] Data input from a graphics tablet
- [New] Measurement capability : Standard CNOMO E41.36.110.R
- [New] Title and subtitle parameter for report
- [New] Automated sequencing of analyzis to create a report
- [Mod] SQL import Improvement
- [Bug] Processing Unicode in SQL import
- [Mod] In the regression, replacement of histogram residuals by a normal probability plot, more accurate
- [Mod] For cell formatting (text color and background), multi-selection support
- [Mod] Add a date at the beginning of the report
- [Mod] The function
*paste transposed*is replaced by the function*Paste Special*with options transposition and addition of the first line in the label column - [Mod] In the filter function, ability to define a list of sorting criteria ( arguments separated by commas)
- [Mod] Added stability and adjustment yield in control chart capabilities

3.1.9 10/12/2014

- [New] Added notes for active grid
- [Mod] Setting the confidence level for reliability models
- [Mod] Added a text field in the dialog boxes to change the labels of analysis without going through the project area.
- [Mod] Added a biais test in Cgk calculation
- [Bug] Initialization of the selectors in multi-characteristics capabilities for windows
- [Mod] Addition of effect tables in the design of experiments
- [New] Added the name of the analysis in the report
- [Bug] Fixed operating curves of sampling plans for measures
- [New] Import excel 2003 file (.xlsx extension)
- [New] Assistant for calculating threshold for capability indexes

3.1.8 20/08/2014

- [New] First official version for Linux
- [Bug] Fixed the plot of the log-normal distribution
- [New] Added the full factorial designs
- [New] Capability Study for stratified populations (mixture of normal distributions)
- [New] Plackett and Burman screening designs
- [Mod] Improved capability module with plot of Rayleigh and Log-Normal distributions
- [New] SOSstat validation kit is available on request
- [New] Management of Operations undo/redo for copy/paste in the grids
- [New] Resizing the grid during Copy / Paste
- [New] In population equivalency tests, consideration of unilateral assumptions about the mean

3.1.7 10/06/2014

- [New] Added the log-normal distribution in process capability
- [Mod] New layout of the dialog box for multi-characteristics process capability
- [Mod] Improved RS232 connexion - Settings Storage

3.1.6 16/04/2014

- [New] Add a column label from the active selection
- [New] Simultaneous application of 2 sample tests for comparing two samples (search for causes of variation)
- [New] In the capability module, calculation of the proportion of non-conforming with the normal folded distribution
- [New] Display the origin of data (grid name) in the analysis results
- [New] Add indicative capability value in the statistical dispersion calculation module
- [New] Store labels of 2D graphics
- [New] Added graphics for multiple tests
- [Bug] Added controls in the multiple regression

3.1.5 25/03/2014

- [New] Ability to duplicate analysis to a new grid and improved project management
- [New] Ability to protect data with a password and data encryption
- [New] Added a tracking file changes
- [Mod] Improved RTF export
- [Mod] Improved multiple regression with correlated data - Improved coding of discrete variables
- [Bug] Fixed display bug in the statistical distribution wizard
- [Bug] Various minor bug fixes

3.1.4 02/02/2014

- [New] Add a scatterplot matrix in the correlation module. This graph is displayed when the number of variables is less than 10
- [New] Acquisition of measures by RS232 serial link
- [Bug] Fixed multi-characteristic Capabilities - long term
- [Mod] Improvement of the distribution function plot in Anderson Darling's test
- [Mod] Include a graph of normal quantiles in the Shapiro-Wilk test
- [Mod] Support for samples indexed by a categorical variable in capability studies
- [New] Add dynamic fields to interpret formulas for the calculation of tolerances (capability module)
- [New] ability to use mathematical functions in the formula editor of datagrid

3.1.3 23/12/2013

- [Mod] Data control in reliability module
- [New] Sample's parameter input in Anavar and Bartlett's test
- [Mod] Improved some graphics
- [Mod] Changed layout of capability results
- [Bug] Changed class limits of histograms
- [Mod] Ability to copy /save/set the graphics parameters, in sampling plans assistant
- [Mod] Ability to copy /save/set the graphics parameters, in statsitical distribution assistant

3.1.2 17/11/2013

- [Mod] Improved paste on the selected range of cells (with repetition of data)
- [Mod] Supplements of translation
- [Mod] Ability to change the color cells in search
- [New] Added a button in the toolbar to restore the default cell format
- [New] Added a run chart, plotting the average, the min and max of the sample as well as the tolerances
- [Bug] Improved text file import, with the deletion of end of line characters

3.1.1 24/10/2013

- [New] Import data from SQL Query (Database natively supported are SQLite and MySQL)
- [Mod] Added short term capabilities in the multi-characteristics module
- [Mod] Improvements in the regression module

3.1.0 24/09/2013

- [New] Multiple regression
- [New] Linearity of measurement systems by MSA
- [New] Navigation button on some graphics
- [New] Reliability module: Modeling failure functions with Weibull's and exponential distribution
- [Mod] Added p-values on graphics in tests module
- [Mod] Added input fields for samples parameters in bioequivalence tests
- [New] Automatic search for the latest update
- [Mod] Plot Summary - ability to analyze a single categorical variable

## SOSstat 3.0

3.0.3 24/04/2013

- [New] Attributes measurement validation - MSA Analytic method
- [New] Tolerance transfert
- [New] Probablité of interference between two distributions
- [Bug] Improved the search / replace function
- [Mod] Ability to unstack variables in a row or column
- [Mod] Changing the storage of log file
- [Mod] Improved installation on the Windows 7 platform
- [Mod] Ability to make MSA analysis with one part
- [Bug] Various fixes and improvements

3.0.2 27/02/2013

- [Bug] Improved management of empty sample in ANOVA
- [Bug] Improved import from text files
- [New] Added the "Replace" function in the grid
- [New] MSA methods of attributive measurements (probabilist method and signal detection method)
- [Bug] Remove the display of the target for unilateral capabilities
- [Bug] Improved copy / paste of the column headings
- [New] Undo/Redo : Undo or redo data grid inputs with CTRL+Z and CTRL+Y
- [Mod] Improved graphics and results for two sample parametric tests

3.0.1 10/11/2012

- [Bug] Improved selections in the grid
- [Bug] Fixed display in the statistical distribution wizard

3.0 16/10/2012

- [New] Official release of version 3
- [Bug] Intensive test campaign and bug fixes

## SOSstat 3-beta

3 alpha-1 09/12/2011 -> 3 beta-2 12/09/2012