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AcaStat Changelog

What's new in AcaStat 2200.6.4

Feb 12, 2023
  • This update contains new features, stability improvements, and bug fixes.
  • New Features:
  • Improved the display of very small regression coefficients by expanding the decimal places displayed in the output table.
  • Added the data file name to the statistical output.
  • Minor improvements to the Data Dictionary module.
  • Bug Fixes:
  • Corrrected an inconsistency in the calculation of Logisitic regression coefficient standard errors when analyzing two binary variables.

New in AcaStat 2200.6.3 (Dec 9, 2022)

  • This update contains stability improvements, and bug fixes.
  • Updated CPI in constant dollars module
  • Corrects a failure in version 2200.6.2 to enable speed and display improvements that were added in version 2200.6.1.

New in AcaStat 2200.6.2 (Nov 28, 2022)

  • New Features:
  • Added a search option to the Data Dictionary module.
  • Updated Consumer Price Index in the constant dollars module.
  • Bug Fixes:
  • Corrected failure to reset control operations when changing the control variable.
  • Corrected printing misalignment in the Help module.
  • Corrected Tables panel background resizing error.

New in AcaStat 2200.6.1 (Dec 31, 2021)

  • New Features:
  • Augmented the display of a message box to show operating status during clearing or running procedures using large data files.
  • Improved processing speeds for crosstabulation, correlation, Spearman Rho, ANOVA, Kruskal Wallace, and the Reports module when using large data files.
  • Bug Fixes:
  • Corrected an error that blocked random sampling procedures from populating the data grid.
  • Improved the Output Log Listbox display to correct failure to scroll long lists in the Output tab.

New in AcaStat 2200.2.8 (Oct 31, 2021)

  • New Features:
  • Added checkboxes to the Data Grid to filter out deselected spreadsheet rows from the analysis.
  • This version improves access to the Applied Statistics Handbook via the Documentation pulldown menu.
  • Added popup instructions for creating a new data file.
  • Bug Fixes:
  • Fixed failure of control text box to be accessible when using List Variables procedure.

New in AcaStat 2200.2.3 (Aug 20, 2018)

  • Bugs:
  • Corrected error during app closing that prevented the display of an option box to save changes to data or output.
  • Corrected failure to properly reset the Explore tab when clearing the Data tab.
  • Improvements:
  • Added the option to adjust the cut point value for the logistic regression classification table.

New in AcaStat 2200.2.1 (Jul 17, 2018)

  • Updated from 32-bit to 64-bit.
  • The charts module was redesigned. New features include adding data point values in charts, changing bar colors, converting axis values from counts to percentages, and the option to change the calculation of percentages for bivariate bar charts.
  • Improved the use of string variables as controls and for bivariate analyses.
  • Improved SumStat epidemiology numerical formats for large numbers, currency, and percentages.

New in AcaStat 2200.1.8 (Mar 12, 2018)

  • This update improves automatic decimal formatting for reporting mean confidence intervals in the Explore tab to ensure sufficient decimals are shown for small values. The number of decimal places displayed was also increased for other values from one decimal to 3 for most values.
  • Bug Fixes:
  • Corrected error in the Split File module when deleting split file variables.

New in AcaStat 2200.1.7 (Feb 20, 2018)

  • This update contains new features and stability improvements.
  • New Features:
  • Added a Direct Standardization module to the SumStat module for estimating morbidity and mortality rates.
  • Added row selection boxes and enabled editing of group labels to the Weighted Mean and Goodness of Fit SumStat modules. The output has also been enhanced to include summary data tables.
  • Added the ability to copy and paste data tables in the Weighted Mean and Goodness of Fit SumStat modules for transferring data saved in spreadsheet software.
  • Improved output format and labeling for SumStat epidemiology procedures.
  • Bug Fixes:
  • Corrected failure to properly display variable merge results in the data spreadsheet.

New in AcaStat 2200.1.6 (Jan 24, 2018)

  • New Features:
  • Added 2x2 table data entry for SumStat Relative Risk Reduction and Odd Ratio procedures.
  • Bug Fixes:
  • SumStats Odds Ratio failed to properly enable data entry when selected.
  • SumStats top row cell shading failed resulting in column labels failing to display properly.

New in AcaStat 2200.1.5 (Jan 20, 2018)

  • NEW:
  • Added 10 epidemiology statistics to the SumStats module:
  • Disease Incidence Rate
  • Disease Prevalence Rate
  • Disease Mortality Rate
  • Case Fatality Rate
  • Disease Attack Rate
  • Absolute Risk
  • Relative Risk
  • Relative Risk Reduction
  • Number needed to treat-cost estimate
  • Odds Ratio
  • BUGS:
  • Split data module failed to move multiple variable selections.
  • Changing decimals failed to refresh displayed spreadsheet values.
  • Replace values module failed to consistently refresh displayed spreadsheet values.

New in AcaStat 2200.1.4 (Oct 21, 2017)

  • This update contains stability improvements and bug fixes.
  • New features:
  • The initial view has been changed to display the Options panel instead of the Explore panel so new users can view all analysis features when opening AcaStat.
  • The Frequencies procedure has been improved to display the horizontal bar chart when the Options panel is visible.
  • Descriptives now displays the variable name instead of variable label in the Explore tab.

New in AcaStat 2200.1.3 (Oct 5, 2017)

  • New Features:
  • The output font style can be changed to improve viewing and printing.
  • Right click menu options have been added to the Data tab observation column and the Output Log listbox.
  • The Help system has been updated to incorporate Application Help, How To Guide, Statistics Glossary, and a new annotated Application Overview into one on-line Help system.
  • The example data files have been updated to include a subset of the 2016 General Social Survey (GSS) and a multi-year GSS subset data fle for the years 2008-2016.
  • Bug Fixes:
  • Failure to enable the New toolbar button in the Explore tab when clearing data in other tabs.
  • Intermittent error when entering data in a new column.
  • Data file merge procedure failed to update the variable count in the status bar.
  • Corrected error in the data dictionary procedure that failed to output the last four value labels.
  • Corrected error when deleting columns after merging files.
  • The Data Format module is now disabled when there is no data entered in the first row of a variable to avoid an application crash.
  • Added a variable label for each of the variables created during the random sampling procedure.
  • Updated the random sampling procedure to exclude missing values from the sampling routine.

New in AcaStat 10.1.12 (Jun 26, 2017)

  • This update adds the ability to hide the Format module in the Data tab.
  • Automatic decimal formatting has been added to the Descriptives output displayed in the Explore tab.

New in AcaStat 10.1.11 (Apr 21, 2017)

  • This update contains stability improvements and bug fixes.
  • New Features:
  • Added View menu item to View/Hide the procedure options panel
  • Added a link in the Explore display to View/Hide the procedure options panel.
  • A note has been added to the crosstabulation output that explains why agreement statistics were not reported so users interested in calculating kappa statistics can correct a misspecified table.
  • The data spreadsheet has been enhanced to add 50 rows when the data file has zero observations.

New in AcaStat 10.1.9 (Nov 9, 2016)

  • This update contains stability improvements and bug fixes.

New in AcaStat 10.1.8 (Oct 3, 2016)

  • This update contains stability improvements and bug fixes.
  • New Features:
  • A Strings Recode option has been added to the Recode module to simplify recoding and combining strings into meaningful values. The Strings option creates a new variable that recodes and combines string values into 1 to 12 numerical categories. The recode procedure also adds value labels to the data file for improved reporting.
  • The Find and Replace recode option has been improved to allow more refined identification and replacement of values or strings that are embedded in cell contents. Prior versions required that the entire cell content had to match the search criteria.
  • The Documents menu includes a link to download a free version of the Applied Statistics Handbook in pdf or iBook format.

New in AcaStat 10.1.7 (Oct 2, 2016)

  • This update contains stability improvements and bug fixes.
  • New Features:
  • A Strings Recode option has been added to the Recode module to simplify recoding and combining strings into meaningful values. The Strings option creates a new variable that recodes and combines string values into 1 to 12 numerical categories. The recode procedure also adds value labels to the data file for improved reporting.
  • The Find and Replace recode option has been improved to allow more refined identification and replacement of values or strings that are embedded in cell contents. Prior versions required that the entire cell content had to match the search criteria.
  • The Documents menu includes a link to download a free version of the Applied Statistics Handbook in pdf or iBook format.

New in AcaStat 10.1.6 (Aug 22, 2016)

  • This update contains stability improvements and bug fixes.

New in AcaStat 10.1.5 (Aug 8, 2016)

  • This update contains stability improvements, bug fixes, and split data file format improvements.

New in AcaStat 10.1.4 (Jul 22, 2016)

  • New Features:
  • Improved display and analysis of international decimal indicators.
  • Example data files with decimal values are automatically converted to match the locale decimal indicator (comma or period).
  • Added a locale decimal indicator module to change data decimal formatting to match the system language settings.
  • Added nonparametric Wilcoxon Signed Ranks Test.
  • Added status notification for data recode operations to confirm recode status.
  • Changed the Explore reset button so it only clears variable boxes instead of also clearing all visible output. This simplifies new analyses in the Explore tab without clearing the current output history.
  • The display of the Data Dictionary module is now optional via a toolbar button.
  • Added listbox indicators to show which variables have been placed in the analysis variable lists.
  • Improved the display of numerical column and row labels in the crosstabulation procedure.

New in AcaStat 10.0.2 (Jun 4, 2016)

  • Added option to change the number of decimals in the Explore Means output.
  • Added an option to limit the spreadsheet display of large data files to reduce memory overload and optimize application performance.
  • Improved the efficiency of statistical procedures to enhance performance when analyzing larger data files.

New in AcaStat 10.0.1.3.1995 (Apr 25, 2016)

  • Added a summary statistics module that contains 18 procedures
  • Added a chisel bar option for Explore charts
  • Enhanced user interface

New in AcaStat 9.2.1.3.1957 (Mar 27, 2016)

  • Adds the ablity to calculate Spearman's rho
  • Adds the ablity to calculate paired t-tests
  • Adds the ablity to calculate Mann-Whitney U
  • Adds the ablity to calculate Kruskal-Wallis one-way analysis of variance
  • Adds the McNemar's test to the crosstabulation procedure
  • Adds the ablity to calculate Point-Biserial correlation
  • Adds the Levene test for variance homogeneity to the One-Way ANOVA statistical procedure
  • Adds the ability to select and delete multiple rows of data
  • Improves the stability of Fisher's exact test
  • Improves the statistical procedure labeling when printing output from the Explore tab
  • Increases the font size of Explore output for improved readability
  • Fixes an issue where the chart window fails to function properly when the repeated samples procedure is selected
  • Fixes an issue that prevented the proper printing of output that covers two or more pages
  • Fixes an issue with saving the Output Log that doubled the number of log entries in the saved file

New in AcaStat 9.1.1 (Jan 12, 2016)

  • General stability enhancements to the display of the Descriptive and Explore Means procedures in the Explore tab.
  • Improved the output presentation for Explore Means so the Explore listbox output reflects any changes made in the options panel.
  • Added aggregate summary statistics for all categories of the independent variable when running the Explore Means procedure.
  • Enabled sorting of variable lists in the Explore and Recode modules.
  • Added a Trim procedure to the Recode module for creating truncated values from variables with extensive text.
  • Added an option to change the Explore histogram Y Axis metric from counts to percentages.
  • Added an option to change the Explore horizontal bar chart display from flat to 3D bars.
  • Added a pull-down menu to select chart options or chart preview.
  • Added scrolling of the data spreadsheet when using the ID Variable column.
  • Cosmetic interface enhancements to improve functionality and appearance.

New in AcaStat 9.0.5.3.1853 (Oct 16, 2015)

  • Bug fixes:
  • Corrects improper display of international string formats such as umlauts.
  • Corrects failure to display string variable labels in the chart module.
  • Corrects potential error when attempting to use Forward or Back buttons in Stat Guide display.
  • Improved display of fields in the chart options module.
  • Stability improvements in the data grid, data format, and Stat Guide modules.
  • New:
  • Added print preview to the charts module.

New in AcaStat 9.0.4.3.1817 (Aug 5, 2015)

  • Improved stability of Fishers exact test for chi-square
  • Corrected overflow error that occurred when converting chi-square p-value for crosstabulations that use a large number of columns
  • Improved drag resize operation for the output log listbox
  • New:
  • filtering procedure for data tab enhanced to handle variables with string values
  • missing value formatting in data tab enhanced to handle variables with string values
  • crosstabulation now sorts and displays numerical row and column variables by ascending value to improve table presentation for numerical variables.
  • changed chi-square kappa statistic label to clarify kappa value is the coefficient, not the test statistic.

New in AcaStat 9.0.3 (Apr 7, 2015)

  • Minor bug fixes plus the following:
  • The data merge procedure was redesigned so that merges match variable names and add records regardless of the order of variables in a data file.
  • Added a new data merge procedure to support adding variables from a second data file with matching record identifiers.
  • Added a locked ID column that can be set to any record-identifying variable in the data file. This simplifies verifying data for individual records in data files with many variables by displaying a copy of the identifier variable to the left of the data.
  • Added General Social Survey (GSS) 2014 data that was released recently by NORC and updated the cummulative data file for GSS 2008 to GSS 2014.
  • Changed the paste operation in the data format module so that the paste button is not disabled after pasting formatting into one variable.
  • Corrected an overflow error for the chi-square p-value when extreme chi-square statistics are generated.

New in AcaStat 9.0.1 (Mar 5, 2015)

  • This is a major update of AcaStat 8 that includes stability improvements and the following new features:
  • The addition of an Explore tab simplifies data analysis. Drag and drop variables into the labeled boxes and AcaStat automatically runs the selected statistical procedure. Key summary statistics are displayed in the Explore tab for quick review of the analysis.
  • Explore includes an Options Panel that displays familiar list boxes, analysis options, and control settings.
  • Explore charts are automatically produced for five statistical procedures. A horizontal bar chart for frequencies, a histogram for descriptives, a scattergram for correlation, a histogram of residuals for OLS regression, and an ROC curve for diagnostic accuracy.
  • Explore charts may be previewed for editing, printing, copying, or saving.
  • Chart data is retained for descriptives, correlation, and OLS regression. Click on a prior analysis to view the chart for that analysis.
  • The copy button in Explore will copy selected rows of output or, if no rows are selected, it will copy all of the list box contents. Copied contents can easily be pasted into a spreadsheet or word processor to assist in report writing and editing.
  • A streamlined print format is provided for output displayed in the Explore tab.
  • Error messages have been improved and an error flag is displayed in the Explore tab.
  • Explore displays a data dictionary for the loaded data file when AcaStat is maximized or reaches a width sufficient for proper display of the data dictionary. This allows quick review of variable information alongside the analysis module.
  • The Data tab has been enhanced to allow creating and editing data files with more than 60 variables.
  • The Format module is displayed in the Data tab to the left of the data spreadsheet. Click on a column to view and edit variable formatting.
  • Value formatting has been increased from 8 to 12 value labels.
  • Mean centering and standardized score variable transformations have been added to the Compute module options.
  • The data filter has been enhanced to improve the visual display of excluded rows.
  • The toolbar button or pull-down menu will now add 50 spreadsheet rows instead of one.
  • T-test of means has a new feature that conducts a t-test on all possible group comparisons when group values are not specified in the Options boxes.

New in AcaStat 8.3.10 (Sep 19, 2014)

  • Contains stability improvements and bug fixes. New to this version is right-click support in the Output Viewer and an option in the data viewer to help manage data paste errors.

New in AcaStat 8.3.9 (Jul 23, 2014)

  • Minor fixes.
  • The data limits in the demo version have been improved to allow the analysis of up to 50 observations instead of the previous limit of 20 observations.
  • This allows use of all observations in the Workbook data file for educational purposes without purchase of a licensed version.

New in AcaStat 8.3.8 (Jun 27, 2014)

  • Minor fixes. Changed Fisher's Exact Test p-value decimal from 3 to 4 to match other p-values. Kappa test message removed from output. For compatible systems, changed output font from Courier New to Courier to provide a bolder typeface.

New in AcaStat 8.3.6 (May 7, 2014)

  • Added ability to drag data from spreadsheets into AcaStat. Reduced loading time. Minor fixes and improved error reporting.

New in AcaStat 8.3.5 (Jan 7, 2014)

  • Added a 'How To' button on the toolbar to provide help on formatting data files and using statistical procedures.
  • This version also includes a prompt to save when there have been changes to the data or output.
  • Includes minor bug fixes and interface improvements.

New in AcaStat 8.3.2 (Sep 16, 2013)

  • Improved interface

New in AcaStat 8.3.1 (Jun 26, 2013)

  • Adds file save and open operations
  • Allows importing and exporting of delimited data files
  • Updates data examples
  • Includes the Applied Statistics Handbook in pdf format

New in AcaStat 8.1.5 (Nov 15, 2011)

  • Added StatCalc module