Release Notes

New Features and improvements:

  • Adjust for publication bias in meta-analysis
    • Robust Bayesian meta-analysis
    • Selection models
  • Learn Bayes module
  • PDF export of results
  • Choose your font
  • German translation, courtesy of Johannes Keyser from the Justus-Liebig-University Giessen
  • Frequentist partial correlations
  • Confidence and prediction intervals in linear regression
  • New distributions in the Distributions module (log-normal and logistic)
  • Installing Jasp without admin rights (#861)

Bug fixes:

  • Fixes to spreadsheet (#901, #914, #933, #935)
  • Large dataset: JASP crash when changing variable type (#938)
  • Analysis of Effects: Across Matched Models (#852)
  • Corrections of bugs found during the JASP workshop (#4257)
  • Summary Statistics Bayesian Independent Samples T-Test: Labels in prior and posterior plots switch upon changing from BF10 to BF01 (#796)
  • Fixes to Quill (#694, #695, #696)
  • Issues with display of icons and characters (#851, #929)
  • ROC and PR curve (after classification) (#277)
  • Plots on linux are only saved as png (#889)
  • Inconsistency between frequentist and bayesian non parametric paired t-test (#868)
  • Add methods median, ward.d, ward.d2 and mcquitty (#4222)
  • Contingency tables properly reverse column labels (#4211)
  • Posterior summaries in Bayesian linear regression and Bayesian ANOVAs show exclusion probabilities (#625)
  • Log Odds Ratio value not updated (#915)
  • Bayesian Mixed Effect Models with aggregated binomial family (#957)
  • Reliability: Average interitem correlation 95%CI, does not include point estimate (#888)

New Features and improvements:

  • Add option to check last digits in Benford’s Law

Bug fixes:

  • Fixes in Reliability (jasp-issues #870 #855 #853 #841)
  • Fixing BGLMM beta distribution
  • Fixed some problems for Windows users with non-ascii characters in their username (jasp-issues #835 #830)
  • Crashes on Mac’s with Intel Iris have been fixed and hardware rendering on Mac has been turned back on by default.
  • Save as PPTX now also works Mac. (jasp-issue #972)
  • Changing type of column while ANOVA, ANCOVA, CFA is active leads to crash (jasp-issues #839 #988)
  • Flexplot’s added variable plots are not showing up (jasp-issue #854)
  • Mixed Models – dependent variable checks cannot deal with NAs (jasp-issue #867)

New Features and improvements:

  • Engine improvements
  • The new analyses rely on several R packages. We are grateful to the package developers and list the newly added/updated packages below. All R packages used in JASP can be found here
  • New modules and analyses:
    • Mixed Models (both Bayesian and classical)
      • Linear mixed models
      • Generalized linear mixed models
    • Reliability module (both Bayesian and classical)
      • Single-Test Reliability Analysis
    • R-console (beta)
    • Bayesian A/B test for the Summary Stats module
    • New analyses for the Audit module
      • Selection
      • Evaluation
      • Bayesian Evaluation
  • Analyses improvements
    • ANOVA
      • Contrasts for interaction effects, including custom contrasts (jasp-issue #782)
    • Network analysis module
  • Saving plots as powerpoint files

Bug fixes:


New R-packages:

Bug Fixes:

      • Cannot specify parameter names in Observed Values in JAGS
      • repeated measures ANOVA bugs (issue #691)
      • 0.12.1 crashes In repeated measures ANOVA (issue #683)
      • Update Data Library JASP files

Bug Fixes:

      • Bayesian Linear regression Bug (issue #677)
      • Variables List becomes smaller when language is changed

New Features and improvements:

      • Update R to version 3.6.1
      • R rewrites
      • Support for TSV-files (credits to Lars Willighagen)
      • New user settings
        • Dark Theme option
        • Ability to select a language
          • Dutch
          • English
        • Search for variables by typing the variable name
      • New interface options
        • Output annotation/note editing
        • Search option in the help files
      • New modules and analyses
        • Bayesian meta-analysis
        • JAGS module
        • Discover distributions module
        • Visual modeling module (beta)
        • Equivalence testing module (beta)
      • Analyses improvements
        • Additional options for descriptive statistics
          • Scatter plot
          • Pie chart
          • Possibility to choose color palette for plots
        • Set seed option for Bayesian t-tests, Bayesian ANOVA’s, Bayesian linear regression, Bayesian Correlation, Bayesian A/B Test, Bayesian Contingency Tables, and Bayesian log-linear regression
        • Extensions of the ANOVA
          • Custom contrast
          • Option to flag significant comparisons
        • Bayesian correlation matrix and Bayesian correlation pairs merged into Bayesian correlation, with the following new features:
          • Option to display sample size
          • Option to display pairwise table/plot
          • Option to specify credible intervals
          • Plots
            • Additional info for sequential analysis
            • Separated testing and estimation info in prior posterior plot
        • Additional options for the correlation matrix
          • Heatmap
          • Pairwise table/ plot
          • Option to display the sample size
          • Assumption checks
          • Possibility to specify how to treat missing values
        • Bayes factor robustness check for the Bayesian a/b test
        • Extensions of the Principal Component Analysis (PCA)
          • Additional orthogonal and oblique rotation options
          • Possibility to choose between correlation and covariance matrix
          • Components characteristics table
        • Additional options for the Exploratory Factor Analysis (EFA)
          • Structure matrix table
          • Possibility to choose estimation method
          • Additional orthogonal and oblique rotation options
          • Factor characteristics table
          • Assumption checks
            • KMO test
            • Barlett’s test
        • Improvements to the Network module
        • Added Fisher’s exact test to Contingency tables
        • Extensions of the Bayesian Correlation in the summary statistics module
          • Credible intervals
          • Testing information for prior and posterior plots
        • Improvement of the Bain module
          • Now runs on bain package from CRAN
          • Added adjustable credible interval option
        • Additional features for the Machine Learning module
          • Intercept added to the LDA coefficients table
          • Cluster analyses
            • New cluster means table
            • Added cluster density plots
            • New cluster means plot (dot and bar) with 95% confidence intervals
        • Improvement of the Audit module
          • Now runs on jfa package from CRAN
          • Option to add badges to the report, easily indicating outcome of the analysis
          • New analysis: Benfords law (classical) with jasp file “sinoForest”
          • Greyed out the seed in fixed interval sampling
          • Planning stage
            • Prior and expected posterior descriptives table for the planning stage
            • Options for custom inherent risk and control risk
            • Added the gamma distribution as a possible prior
            • Expected evidence ratio
            • Options to shade either the support region under the prior and posterior distribution, or the x% credible region
          • Evaluation stage
            • Prior and posterior descriptives
            • Options to shade either the support region under the prior and posterior distribution, or the x% credible region

Bug fixes:

Bug fixes: 

      • Some analyses (Descriptives, Bayesian T-Test) do not work on Windows if the user account name has non-latin characters (jasp-issues #501 #505)
      • AUDIT analyses hangs when adding computed columns
      • Machine Learning Regression: non numeric column leads to error

New Features and improvements: 

      • Machine Learning module
        • Regression analyses 
          • Boosting Regression 
          • K-Nearest Neighbors Regression 
          • Random Forest Regression 
          • Regularized Linear Regression 
        • Classification analyses 
          • Boosting Classification 
          • K-Nearest Neighbors Classification 
          • Linear Discriminant Classification 
          • Random Forest Classification 
        • Clustering analyses 
          • Density-Based Clustering 
          • Fuzzy C-Means Clustering 
          • Hierarchical Clustering
          • K-Means Clustering 
          • Random Forest Clustering 
      • MAD and MAD robust for Descriptives
      • Additional option to copy analyses 
      • Updated the data library
      • Updated support for SPSS files
      • Added support for STATA/SAS files

Bug fixes: 

Bug fix: 

      • Summary Stats and Planning crash in absence of data fixed

New Features and improvements: 

      • AUDIT module 
      • Mediation analysis
      • Post-hoc test for between*within interactions in mixed ANOVA 
      • Q-Q plot in descriptives 
      • Fixes for the Bain module 
      • Effect sizes for independent t-test 
      • Added documentation to the Bayesian A/B test 
      • Order analyses by Drag & Drop 
      • Sort option in OSF menu to order files on name and date 
      • Alphabetic ordering of variables 

Bug fixes: 

New Features and Improvements:

      • New interface
        • Panel redesign
          • Data panel, analysis input panel and results panel can be manipulated much more intuitively with sliders and show/hide buttons
          • All analyses input forms have been rewritten and made more consistent
          • Changed the analysis input panel to have an overview of all opened analyses and added the possibility to change titles, to show documentation, and remove analyses
        • Improvement of the ribbon bar
        • Enhanced the navigation through the file menu; it is now possible to use keys and hovering
        • Added possibility to scale the entire application with Ctrl +, Ctrl – and Ctrl 0
      • New analyses
        • MANOVA
        • Confirmatory Factor Analysis
        • Bayesian Multinomial Test
        • Bayesian A/B Test (beta)
        • Bain (module; beta)
      • New user settings
        • Ability to let JASP log its workflow and save it to a file (useful for bug reporting)
        • An option to let JASP remember your used modules in subsequent sessions
        • An import threshold that specifies how integer columns should be read (categorical or scale)
        • Early developer mode that allows dynamic modules to be added (beta)
      • Improvements
        • Added/updated help files for most analyses
        • R engine updated from 3.4.4 to 3.5.2
        • Added Šidák correction for post-hoc tests (AN(C)OVA)
        • Added bootstrapping for post-hoc tests (AN(C)OVA)
        • Added bootstrapping for marginal means (AN(C)OVA)
        • Ability to plot a covariate on the horizontal axis (ANCOVA)
        • Added post-hoc tests for interactions (RM ANOVA)
        • Added marginal means (RM ANOVA)
        • Added bootstrapping for marginal means (RM ANOVA)
        • Added confidence intervals for post-hoc tests (RM ANOVA)
        • More complete Sphericity tests (Chi-squared and df; RM ANOVA)
        • Added generalized eta squared effect size (RM ANOVA)
        • Added Cox & Snell R-squared (Logistic regression)
        • Added Wald test for coefficients (Logistic regression)
        • Added casewise diagnostics (Logistic regression)
        • Added bootstrapping for coefficients (Logistic regression)
        • Added R-squared for observed variables (SEM)
        • Added Shapiro-Wilks test (Descriptives)
        • Added median absolute deviation (Descriptives)
        • Added interquartile range (Descriptives)
        • Enhanced stability of Bayesian Mann-Whitney U test (Bayesian t-test)
        • Included table and plot for single model and model averaged posterior distributions (Bayesian ANOVA’s)
        • Added single model and model averaged QQ plots (Bayesian ANOVA’s)

Bug fixes:

New Features and Improvements:

                  • Export to csv (works with computed columns)
                  • WIX installer for Windows (enables you to choose a path for the installation of JASP)
                  • Added extra transformations to compute column
                  • Adapted behaviour of ifElse and replaceNA to work on the labels
                  • User interface scaling
                  • Default white background for plots, but you can choose transparent as well
                  • Modern JASP logo has replaced the old software icon
                  • Made replaceNA applicable for all types
                  • Increase size of data viewer in options
                  • Left columns with variable names abbreviated [compute column and filter]


                  • Drop levels of factors by default after applying a filter
                  • Increased startup-speed for Windows

Bug fixes:

New features and improvements:

Bugs Solved:

                  • Fix issue: #2641 JASP 0.9 does not recognize special characters on Mac and Windows
                  • Request: #2657 Small fix in LogReg Tjur R²
                  • Request: #2638 LaTeX and Apply Filter

New features and improvements:

                  • Filtering: use either R code or a drag-and-drop GUI to select cases of interest (an in-depth explanation on filtering in JASP will be posted soon)
                  • The JASP data library: an initial collection of over 50 data sets, including the examples from two popular stats textbooks
                  • Exporting tables from JASP in LaTeX format
                  • Non-parametric tests:
                    • Friedman and Durbin tests / nonparametric (classical RM ANOVA)
                    • Kruskal-Wallis / nonparametric (classical ANOVA)
                    • Connover’s nonparametric post hoc test (classical RM ANOVA)
                    • Dunn’s nonparametric post hoc test (classical ANOVA)
                    • Mann-Whitney / Wilcoxon rank sum test (Bayesian independent samples T-Test)
                  • Resizing tables and plots with ctrl+/ctrl-/ctrl=
                  • R engine updated from 3.3.3 to 3.4.4
                  • SEM module upgraded
                  • Improved Bayesian linear regression
                  • Improved contrasts for RM ANOVA
                  • Hand pointer to scroll through the data viewer
                  • Open file via welcome screen
                  • Improvement of placement tags of outliers
                  • Graphs in network analysis displays in colourblind mode by default


                  • Fix issue: #2381 One Sample T-Test: Possible error in the estimation of the 95% CI for Mean Difference
                  • Fix issue: #2074 Linear regression bugs
                  • Fix issue: #2438 Bayesian descriptive plot for RM ANOVA does not work
                  • Fix issue: #2346 SumStats module Bayesian Regression does not have addInfo for robustness check
                  • Fix issue: #2400, #2425 Bayesian linear regression error when adding interaction
                  • Fix issue: #2467 Add standardized alpha for reliability analysis
                  • Fix issue: #2074 Linear regression bugs
                  • Fix issue: #2497 Fix Meta-analysis
                  • Fix issue: #2541, #1929 Bayesian correlation “terminates unexpectedly”

New features:

                  • A revamped Bayesian linear regression thanks to the BAS package
                  • Multinomial analysis
                  • Install JASP on most Linux distributions more easily due to Flatpak support
                  • Plots now update directly when resizing them
                  • A tooltip for variables so that long names can be still read
                  • Z-test
                  • Simple main effects for repeated measures ANOVA
                  • High DPI support on Windows, improving display resolution


                  • Unable to plot network graph when non-ascii character in filename #2252
                  • Repeated-measures ANOVA error with high(ish) number of cells (complex numbers or unequal size arrays) #2241
                  • Re-enable SEM on Linux #2267
                  • Beter guess of the delimiter when loading a CSV file #2259
                  • Issue with EFA explanatory parallel oblimin Factoranalysis #2249
                  • Small changes in the UI for Linear Regression and Factor analyses #2291
                  • Microsoft Visual C++ Runtime Library Runtime Error! #2286
                  • If SEM analysis jasp file is opened, the model specified is not shown in the text area #2297


                  • Network module: new clustering table/plot
                  • ANOVA : simple effects
                  • ANOVA : fix for repeated contrast
                  • Logistic regression: changes to stepwise regression.
                  • Logistic regression : AIC fior variable selection & removal p-values


                  • Independent sample Bayesian t-test #2196
                  • Wrong valid percent in frequency table #2202
                  • Improve ODS Importer #2167

New features:

                  • Added meta analysis
                  • Added network analysis
                  • Improved the module layout
                  • Added stepwise methods to logistic regression
                  • Added effect size measures to post-hoc analyses in ANOVA / ANCOVA
                  • Improved backwards compatibility for Linux users with older R versions


                  • Fixed situation where JASPEngine process would linger after closing JASP
                  • Better handling of utf8 characters ((#1695), (#1704) and (#1719)
                  • Fixed confidence intervals cohens d (t-test)
                  • Fixed bug where prior posterior plot could not be made (Hotfix)

                  • Hotfix p-value chi-square Logistic Regression (#2054)


New features:

                  • Added logistic regression
                  • Added hierarchical regression
                  • Added ability to add/change missing values
                  • Added progress bar to Bayesian ANOVA’s and regression
                  • Added preference option to change the number of decimals that are displayed
                  • Reworked the layout of the Preferences window
                  • Added option to toggle frequentist correlation table to pairwise display
                  • Added ability to change y-axis in RM ANOVA descriptives plots
                  • Added effect sizes to post-hoc tests ANOVA
                  • Added confidence intervals to rank correlations
                  • Changed display of Bayesian and frequentist correlations to below diagonal
                  • Removed autofilling of options when another instance of an analysis is started


                  • Fixed analysis crash when RM and between factors name match (#1906)
                  • Fixed bug where JASP crashes if you load data between running analyses
                  • Fixed issue where files from old JASP versions cause problems in newer versions
                  • Fixed bug where About window would go behind main window
                  • Fixed analysis crash when vovk-sellke was selected in correlations (#1959)
                  • Fixed issue with importing of PSPP files (#1966)
                  • Fixed issue where RM factor is reset when the analysis options are refreshed (#1921)
                  • Changed base of logarithm to e in Bayesian correlation matrix (#1981)
                  • Fixed vanishing of footnotes in Bayesian correlation matrix
                  • Fixed plot for logBF robustness in correlation pairs

New features:

                  • Added split-by functionality to descriptives.
                  • Show exact p-values.
                  • Pdf and tiff support for images.
                  • Added Summary Bayesian t-test subjective prior.
                  • Added confidence intervals for effect sizes in t-tests.
                  • Added an inclusion analysis to Bayesian ANOVA.
                  • Added a post-hoc analysis to Bayesian ANOVA.
                  • Added confidence interval to Cronbach’s alpha.


                  • Not showing any results on Mac (#1831).
                  • Confidence intervals clarified.
                  • Fixed tab order (#1817).
                  • Fixed factor scaling option in SEM module (#1857).
                  • Allow for multiple contingency tables (#1878).

New features:

                  • EPS format support for plots (click on a plot and choose ‘Save As’ menu)
                  • Bayesian t-tests (paired, one-sample, independent): Subjective t-distribution, plots and output in table, compare to best model


                  • Support R3.3.3, all packages are upgraded
                  • ANOVA output option: best model on top (#1593)
                  • Frequentist t-test: Changed labels of reported statistics and effect sizes
                  • Set right citation for analyses
                  • SEM updates: Multiple models support
                  • Credible intervals Bayesian correlation matrix and Bayesian correlation pairs
                  • p-values for summary stats Kendall’s tau
                  • Improve SPSS synchronisation
                  • New welcome page


                  • Fix to NA levels and minimum obs amount in t-test (#1707)
                  • Summary stats – Correlation BF error in posterior plot (#1667)
                  • About box on Mac does not work (#1700)
                  • Change variables can crash when an analysis was deleted
                  • Crash when open a JASP file after closing another one
                  • Error with only within-subjects variables in an ANOVA (#1677)
                  • Independent Samples T Test, Fixed Cohen’s d (#1734)

Major changes:

                  • #1682: CSV Importer crashes with big files

Major changes:

                  • Raw data editing by means of synchronisation with your favourite editor
                  • Edit and label manipulation
                  • ODS (Open Document Spreadsheet) import
                  • Added Vovk-Sellke MPR functionality
                  • Added McDonalds Omega on Reliability analysis
                  • Further improvement error handling with showing stack trace on result screen
                  • Descriptives for ANCOVA/ANOVA
                  • Improvement Repeated Measurements: made plots adaptable to within analysis changes
                  • Added p-values to Sumstats Module and Kendall’s tau


                  • Fixed the scale argument of the credible interval
                  • #1613 Psych update R-package to fix incorrect Cronbach’s alpha value
                  • Fixed RM ANOVA so that factor can be changed with correct cons
                  • Fixed Levene’s test for use with covariates

Minor changes:

                  • #1556 Posterior distribution Pearson’s rho
                  • #1548 Calculate Bayesfactor when Kendall Tau is selected as correlation coefficient (Summary Statistics)
                  • #1561 Error messages
                  • #1549 User prior not plotted correctly in independent t-test
                  • #1530 Anova descriptive plot update
                  • #1528 Infinity values treatment
                  • #1517 Boxplot error

Major changes:

                  • Added reliability analyses
                  • Added classical exploratory factor analysis (EFA) and principal component analysis (PCA)
                  • Added summary statistics module
                  • Possibility to import SPSS data files (.sav)
                  • Descriptive statistics: added boxplots (and extended other plotting capabilities)
                  • Bayesian AN(C)OVA + Linear Regression: added advanced options (changing prior settings, manually set number of samples)
                  • Classical binomial test: added confidence interval option + descriptive plots option
                  • Added Kendall’s Tau coefficient to Bayesian Correlation

Minor changes:

                  • Added “remove all results” option
                  • Improved visibility of RM ANOVA cells (fixes #1382)
                  • OSX: fixed double click crash on JASP file from desktop
                  • Fixed problem where OSF did not show all projects

Minor changes:

                  • Enable Export function. Added Export Data (in csv format) & Export Result (in html format). (Fixes #1296)
                  • Fixes #1270 (hanging problem with many columns).
                  • Bayesian contingency table: posterior log odds respond to prior concentration (Fixes#1255)
                  • Lin. Reg.: Fixed missing t-values (Fixes #1248)

Major changes:

                  • Open Science Framework integration
                  • Possible to annotate your results
                  • Added binomial test (both classical and Bayesian)
                  • Added log-linear regression (both classical and Bayesian)
                  • Menu redesign

Minor changes:

            • Classical t-tests: added additional statistics (Welch, Mann-Whitney U, Wilcoxon signed rank)
            • Bayesian t-tests: added descriptive plots
            • Classical AN(C)OVA: improved post-hoc tests, added Q-Q plot option
            • Classical repeated measures ANOVA: added contrasts + post-hoc tests
            • Classical linear regression: added model builder + assumption checks
            • Bayesian correlation pairs: added scatterplot