Version history

3.02

  • New module for PCA of Elliptical Fourier shapes
  • New module for size removal from distance measures (Burnaby's method etc.)
  • Box's M test for equal covariance matrices now handles more than two groups
  • Clustering results can be saved as NEXUS tree files
  • Two-sample and several-sample univariate tests: Now accepts samples either in separate columns or in a single column plus a Group column
  • Bug fix, clustering: Data were corrupted when bootstrapping repeatedly
  • Bug fix, Raup-Crick similarity: Missing data were treated incorrectly
  • Bug fix, data pasted into spreadsheet were truncated if the spreadsheet had too few rows
  • Conversion of value pairs to data matrix
  • Calculation of row percentages
  • Max number of group columns increased to six (useful for taxonomic distinctness)
  • Added arc sine (asin) to Evaluate Expression module

3.03

  • Bug fix: Insert rows and columns did not work in 3.02
  • Bug fix: File extension had to be typed in when saving graphic
  • Bug fix: Polynomial regression did not run
  • Bug fix: Crash in LOESS when bootstrapping with missing data
  • Bug fix: Symbols in plots were dashed when background grid was switched on
  • New option for showing group names in many plots
  • Added Number of polymorphic sites to Genetic sequence statistics

3.04

  • One-sample t test and one-sample Wilcoxon test
  • Test for single-sample proportion
  • Pie and doughnut charts
  • Font name and size can now be changed in Graph Settings
  • Geographical distance measure
  • Date/time conversion tool
  • Edit buttons added to spreadsheet tool bar
  • Bug fix: Pearson's R correlation inaccurate for very large data sets
  • Bug fix: Graphics overwrote part of text on some computers
  • Bug fix: Concentration ellipses did not show correctly on some computers
  • Bug fix: Select all from Edit menu did not work
  • Very large SVG paths did not read correctly in Illustrator - Past now splits them into pieces

3.05

  • F and t tests from parameters
  • REDFIT now does not start until hitting "Compute" button
  • Raup-Crick similarity now runs 50% faster
  • User control over color map in matrix plot, gridding etc.
  • New export file formats: NTSYS, TPS, RASC, RTF
  • Sum added to univariate summary statistics
  • Bug fix: Copy data did not work in some modules.
  • Bug fix: MANOVA did not update when constraints value was changed
  • Bug fix: Crash in spherical analysis/stereoplot
  • Bug fix: PCA loadings table showed raw loadings, not correlations when correlations selected in loadings plot
  • Bug fix: Filled convex hulls had no transparency
  • Bug fix: Broken Undo after Paste
  • Bug fix: Nonlinear fit: von Bertalanffy curve correct, but small typo in the equation shown above the plot
  • Bug fix: Coefficient of variation given as 0 when mean was negative
  • Improved handling of non-integer data for the Diversity module
  • Small fix in spatial autocorrelation

3.06

  • Clopper-Pearson confidence interval for single proportion
  • Confidence interval for many proportions, with plotting
  • Two-way repeated measures ANOVA
  • Two-way ANOSIM without replication
  • Stacked bar and area chart
  • Missing data supported in group variable for two-sample univariate tests etc.
  • Confidence interval for sample mean in one-sample t test
  • Wavelet analysis: Sampling interval can now be specified
  • Bug fix: Faulty selection of area in the spreadsheet
  • Bug fix: All columns were included in many analyses when disjunct columns were selected
  • Bug fix: Occasional crash in bivariate linear regression module
  • Bug fix: Find (search) function did not work
  • Bug fix: Garbled selection boxes in the REDFIT module
  • Bug fix: Discriminant analysis: Too many axes generated when number of groups exceeded number of variables+1
  • Bug fix: Crash in one-way ANOSIM if a group contained only one row
  • Bug fix: Landmark PCA deformation expansion factors not shown for negative PC scores

3.07

  • 3D scatter and 4D bubble plot
  • Mann-Kendall test for trend
  • Fitting of species abundance along gradient to Gaussian packing model
  • Mantel-Cochran-Haenzsel test on multiple 2x2 contingency tables
  • Confidence interval on stratigraphic range
  • Bug fix: NMDS gave inaccurate results if environmental variables were included (introduced in 3.0)
  • Bug fix: Pairwise Mahalanobis in MANOVA gave 0 instead of 'fail' for errors
  • Bug fix: Procrustes analysis overwrote group columns
  • Bug fix: K-means clustering failed for very large numbers in input
  • Bug fix: Missing numerical output in abundance distribution modelling
  • Bug fix: Excessive computation times in some modules in Mac version
  • Save image added to surface plot
  • Improved robustness of Gaussian fit in nonlinar fit module

3.08

  • Powerful scripting language, to be extended in future versions
  • Mood's median test for two samples
  • Unconditional confidence interval for individual rarefaction
  • Tamura genetic sequence distance
  • Option for using group column for box plot
  • Sorting moved to menus, and other improvements in sorting
  • Bug fix: Discriminant analysis showed blank plot for data with 3 groups
  • Bug fix: Linear regression crashed if started twice (introduced in 3.07)
  • Bug fix: Occasional crash on program exit (introduced in 3.07)
  • Bug fix: Column data type menu could get garbled (introduced in 3.07)
  • Bug fix: Small inconvenience in Row colors/symbols

3.09

  • ARMA and intervention analysis for time series
  • Tests for equality of regression slopes in bivariate fitting (OLS, MA and RMA)
  • Insolation model, 250 Ma to Recent (La2004)
  • Copy-paste now works also on graphics, but only bitmap format (you must still export to SVG for publication quality)
  • New in Transform menu: Convert to ranks
  • Many new functions in the scripting language
  • Bug fix Unitary Associations: Copy-paste did not work for some output
  • Bug fix Moran’s I: Incorrect significance line for very large sample sizes
  • Bug fix: Hidden windows now pop to front when selected again from menu

3.10

  • Circular spectral analysis for point events
  • Equal axes button in graph preferences
  • Linear regression now reports standard error of estimate
  • Scripting: New functions, including user-defined windows (forms) with labels, buttons, edits, check boxes.
  • Increased max number of items in clustering from 900 to 3500
  • Improved algorithm for single linkage clustering of large data sets
  • Drag-drop files onto spreadsheet
  • Bug fix: Remove column or row did not work after moving it
  • Bug fix: Freeze after error condition in Evaluate expression
  • Bug fix for Mac OSX: Copy-paste into spreadsheet did not work properly
  • Minor algorithm improvement in Unitary Associations
  • New application icon

3.11

  • New: Interface to Google Maps, with plotting of points, polygons and lines (Windows only)
  • New: “Graphics basket” for managing and combining plots
  • Bug fix: Copy-paste from Excel broken under Mac OSX
  • New: Nested ANOVA
  • Improved: Selection of file format for graphics export
  • New: Support for reading RASC files
  • Small fixes in Unitary Associations
  • New: Pooled and unpooled z ratio for risk difference
  • Replace now only operates in selected cells
  • Omega2 in ANOVA set to zero if negative
  • User-defined N for Monte Carlo normality tests
  • Sinusoidal fit: Frequency resolution increased from 1/1000 to 1/500,000 of Nyquist frequency
  • Thin-plate spline deformation grid can now be extended in x and y directions
  • Scripting: New functions
  • Beta diversity now takes samples in columns, not rows, to be consistent with other modules
  • Bug fix: Bivariate linear regression: Slope was not shown in the Statistics tab for RMA or MA.
  • Bug fix: Save data in other than the Past format broken in some recent version
  • Bug fix: 3D scatter plot crashed when axis ranges were very different

3.12

  • New “detach tab” button allows viewing several tabs (subwindows) at the same time
  • PCA of 3D landmarks, with 3D plotting
  • Use your own images as symbols in plots
  • Arrow plot, alternative to rose plot in circular analysis
  • Plotting of residuals in bivariate linear regression
  • Combined box and jitter plot
  • Plotting of displacement vectors in thin-plate spline deformation module
  • Contingency table analysis now includes table of residuals etc.
  • Z and t tests for probability of a single observation taken from a given sample
  • Scripting: New functions
  • Bug fix: Wrong labels on points in ternary bubble plot
  • Bug fix: Occasional error message when exiting program on Mac
  • Numerous small improvements in user interface

3.13

  • Graphics can now be exported also in the PDF format
  • Bug fix: Excessive computation time for two-sample tests on Mac OSX
  • Bug fix: Mann-Kendall test, incorrect p values for negative trend and n<11
  • Bug fix: Anderson-Darling normality test, incorrect p values for extremely large data sets
  • Bug fix: Cluster analysis, save Nexus file, faulty when using comma decimal separator
  • Max string length for x axis labels increased to 20

3.14

  • New: Point pattern statistics for counts in quadrats (Morisita’s index etc.)
  • New: Dunn’s post hoc test for Kruskal-Wallis (in addition to pairwise Mann-Whitney)
  • Bug fix: Export graphic file type selection did not work on Mac OSX
  • Bug fix: Search and replace stopped after first hit
  • Bug fix: Group labels not shown for small groups (n<3) in x-y plots
  • Bug fix, NMDS: Missing values (?) in environmental variables not handled correctly
  • REDFIT: Maximal oversampling increased to 64
  • Neighbour joining: Root (outgroup) can now be selected in menu
  • Normality tests now recognize samples marked as groups
  • Survival analysis: Censoring events can now be plotted on the Kaplan-Meier curves

3.15

  • Tukey’s post-hoc tests for two-way ANOVA
  • Permutation test for correlation and one-way ANOVA
  • Mosaic plot for 2-way and 3-way contingency tables
  • Stem plot
  • Distribution-free confidence intervals for stratigraphic ranges
  • Max N for wavelets increased to 130,000
  • Improved histogram plots
  • Univariate summary statistics now supports groups
  • New in Regular interpolation: Option for antialiasing (sinc) interpolation
  • Sorting now supports both types of decimal separator
  • Remove uninformative rows/columns: New option to remove constant-valued rows/columns
  • Bug fix, Ward’s method clustering: Missing data not handled properly
  • Bug fix: Setting row colors/symbols required user to select some data in addition to a group column
  • Bug fix: Scatter plot labels sometimes disappeared at edges of plot
  • Bug fix, CCA: Table of scores did not update when changing the scaling type

3.16

  • Package for stratigraphic charts/well plots with multiple panels and plot types
  • Hill’s equation added to Nonlinear Fitting
  • Logarithmic axes options in Graph preferences
  • Mean-and-errors plot added to Bar chart-Box plot module*
  • 3D line plot
  • 3D parametric surface plot
  • Wavelets: Option for linear scale axis. New function showing wavelet-filtered time series.
  • Paired univariate tests: Max N for exact test reduced from 25 to 22.
  • Scripting: Added functions cov, eig, linfit
  • Bug fix: Bivariate linear regression, plot of residuals did not handle missing values
  • Bug fix: 3D surface plot, vertical exaggeration did not work
  • Bug fix: Spherical data, stereoplot, density map was not quite centred on the data

3.17

  • Epps-Singleton test for equal distribution in two samples (alternative to Kolmogorov-Smirnov)
  • New plotting functions for correlation matrix
  • Option for Bonferroni correction in correlation table
  • Bingham test for spherical (axial) data
  • Plotting of planes as great circles in stereonet (spherical data)
  • Binomial proportion added to single-sample tests
  • van Krevelen diagram option added to XY Graph (it’s a geochemistry thing)
  • Search-replace can now search for empty cells (use search string ‘empty’)
  • Tukey’s post-hoc test for one-way ANOVA, repeated-measures ANOVA and two-way ANOVA now use a slightly more accurate approximation for the p value (Copenhaver & Holland 1988)
  • Row labels option in matrix plot
  • Bug fix: Slightly imprecise Tukey’s post-hoc Q and p values for one-way ANOVA with unequal sample sizes
  • Bug fix: Setting Row colors/symbols now honours the previous colors/symbols for the groups
  • Bug fix: PCO with degenerate data did not terminate (rare occurrence)
  • Bug fix: Slow paste of large data sets
  • Bug fix: Sorting only worked for all-numeric data
  • Bug fix: “Rearrange -> Observations to contingency table” did not delete missing values
  • Bug fix: Slightly inaccurate placement of labels in neighbour joining clustering

3.18

  • Anderson-Darling test for equal distributions
  • Density plot in ternary diagram
  • Row normalize length (Transform menu)
  • Permutation tests for covariances in PLS
  • Savitzky-Golay method added to Simple smoothers
  • RASC: Added variance analysis (deviation from line of correlation)
  • Transform landmarks: Rotate point cloud by arbitrary angle
  • Bug fix: Paste caused freezing (bug introduced in 3.17)
  • Bug fix: Occasional freeze in contingency table analysys
  • Bug fix: Ternary diagram gridded map (4th column plot) clipped at bottom
  • Bug fix: Moran’s I table did not update when changing bin number

3.19

  • Random-effects ANOVA, one-way and two-way, with variance components
  • Prais-Winsten linear regression for data with serially correlated residuals
  • Violin plot (in box plot module)
  • Box plot: Option for “notches” (confidence interval for median)
  • Box plot: Default quartile method changed to “Interpolation”
  • Nonlinear fit: Option for forcing the constant term to zero.
  • t test and F test: Reporting of critical value of the test statistic
  • Diversity indices: Option for “unbiased” versions of Simpson and Shannon-Wiener
  • New “Recover windows” button for those disappearing windows (old bug)
  • Rose plot: Visual improvements
  • Mosaic plot: Option to hide zero cells
  • Observed S added to Quadrat richness
  • Normal probability plot now accepts several samples (columns)
  • Bug fix: Formatting of individual rarefaction table when error bar bars not included
  • Bug fix: Copy button in Anderson-Darling test did not work
  • Bug fix: y=0 values were not accepted for several functions in nonlinear fit
  • Small quality improvements in SVG and PDF export

3.20

  • Wavelet analysis for time series with unequal spacing (Weighted Wavelet Z-transform)
  • CABFAC factor analysis of ecological data, with calibration (environmental reconstruction)
  • Correlation length analysis for point patterns (alternative to Ripley’s K)
  • Minimal Spanning Tree analysis for point patterns (alternative to Nearest Neighbours)
  • Linear regression of 3D landmarks, with 3D visualization
  • Ctrl-key shortcuts changed to Cmd-key on Mac
  • Option for colour coding of third variate in bubble plot
  • Option to set number of displayed decimals in the spreadsheet
  • Improved clipping of plots to graphics window
  • Improved XY plot for multiple XY graphs (pairs of columns can be given colours and symbols)
  • Numerical output added to normal probability plot
  • Bug fix: Incorrect scaling of Moran’s I (spatial autocorrelation)
  • Bug fix: Anderson-Darling two-sample test was incorrect for N>650
  • Bug fix: Kruskal-Wallis test did not handle missing data correctly
  • Bug fix: Export of 95% ellipses to PDF was inaccurate

3.21

  • Plotting of user-defined lines and polygons (links) in 2D and 3D landmark PCA, landmark linear regression and thin-plate splines
  • Radar (spider) plot
  • Analytical rarefaction of Shannon’s H and Simpson’s D (no confidence intervals yet)
  • 3D scatter plot now supports the different symbols, not only dots
  • Bug fix, contingency tables; limit on table size for Fisher’s exact test was too strict
  • Bug fix: Plotting of data with extremely small maximum values (<1e-10) could crash.
  • Bug fix: Improved formatting of very small values on graph axes.
  • Bug fix: Mann-Whitney test failed for extremely large sample sizes (N>20,000)
  • Bug fix: Copy graphic button did not work in the Diversity menu
  • Bug fix: No colour legend displayed for bivariate linear regression on multiple columns

3.22

  • New option in cluster analysis: Constrain clustering to given groups, and collapse clusters to the groups.
  • Common Allometric Components analysis for 2D landmarks
  • Function to fill cells with value (useful for several things)
  • Symbol size can now be set to 0, allowing only convex hulls or concentration ellipses to be plotted, not the individual points
  • Graph plot now allows plotting also by rows, not only columns
  • Pie chart, stacked chart, radar chart: Treatment of missing values improved.
  • Column widths, if changed by user, are now saved with the Past file.
  • Text export of concentration ellipse parameters
  • Bug fix: Standard error on the intercept in RMA and MA bivariate regression was incorrect
  • Bug fix: Excessive line width of concentration ellipses in exported PDF
  • Bug fix: Export of degenerate (zero-size) concentration ellipses to PDF gave warning message in Acrobat Reader
  • Bug fix: Summary statistics, calculation of 25th and 75th percentiles failed for N<4
  • Bug fix: Two-way PERMANOVA crashed for data sets with more than ca. 10,000 columns

3.23

  • Network plotting
  • Common Allometric Components analysis for 3D landmarks
  • WA-PLS added to calibration methods
  • Lilliefors test added to tests for normal distribution (although inferior to Shapiro-Wilk and Anderson-Darling)
  • Confidence interval for ratios of counts (as used in some faunal indices)
  • Improved handling of missing values in Simple periodogram; FIR filter; Short time Fourier analysis; wavelet analysis.
  • Help texts added to 11 modules (to be continued in future versions)
  • Bug fix: Google Maps was not working anymore after a version compatibility problem
  • Bug fix: Highpass option in FIR filtering was not operational
  • Bug fix: Some modules crashed the program if only group columns were selected
  • Bug fix: Axis labels sometimes had excessive trailing zeroes

3.24

  • Histogram: Confidence intervals (Clopper-Pearson), and numerical output.
  • Graph and XY graph: Silhouette plot option
  • Pie chart: Support for multiple pies (columns)
  • Discriminant analysis: New option for showing matrix C or WcovC in the loadings table
  • Stratigraphic chart: Numerous improvements and bug fixes
  • Bug fix: Range of grid made more robust in Thin Plate Spline Deformation module.
  • Bug fix: Matrix plot and similar plots could get white spots after opening and closing the graph settings window
  • Help texts added to 12 modules

3.25

  • Change point analysis for univariate and multivariate time series
  • Non-local means denoising added to “Simple smoothers”
  • Bihistogram option added to Histogram module
  • SVG export now supports “foreign” characters (e.g. Ø, ü, ô)
  • Google Maps: Quality improvement in plotting of points (symbols).
  • When plotting several bivariate regressions, the points now get distinct colors
  • CCA: Option for estimating site scores of “mystery rows” without environmental data
  • Bug fix: Column type ‘Nominal’ not read when opening a Past file
  • Bug fix, Correlation: Correlation ellipses not rendered properly in SVG for R=1 and R=-1
  • Help texts added to 12 modules

3.26

  • Bug fix: Polyserial correlation did not do anything
  • Bug fix: Correlation matrix ellipses had wrong orientation for r<0 (bug introduced in 3.25)
  • Bug fix: Showing outliers in box plots caused error message
  • Bug fix: Discriminant analysis (LDA) crashed when number of groups exceeded number of variates (bug introduced recently)
  • Bug fix: Lines in the graphics basket module were invisible
  • Bug fix: Range check error in Google Maps polygons (bug recently introduced)
  • Better centering of group labels
  • Bar chart (Graph module) now shows the row colours
  • Help text added to 11 modules

4.0

  • The first 64-bit version of Past, allowing even larger data volumes
  • Google Maps and scripting disabled, hopefully to return in next version
  • Polar plot
  • Bug fix: XY graph crashed for non-numerical data values
  • Bug fix: Labels shifted vertical position when rotated
  • Bug fix: Mann-Whitney test failed for very large N (>45,000).
  • Bug fix: Normal probability plot correlation coefficient incorrect for very large N (>45,000).
  • Bug fix: Individual rarefaction crashed when restarting with window open.

4.01

  • Scripting re-introduced
  • Google Maps re-introduced
  • Bubble plot and bar chart options added to Google Maps
  • Help text added to 42 modules
  • 3D surface and parametric surface background changed to white
  • Bug fix: Nonlinear fitting: Zero-constant option did not work for power and exponential functions
  • Bug fix: Pie chart crashed for all-zero columns
  • Bug fix: Occasional crash in Short-time Fourier Transform
  • Bug fix: SVG export of matrix plot gave interpolated image even with interpolation turned off
  • Bug fix: “Replace” function very slow for big data sets
  • Bug fix: “Model->Species packing” crashed for all-zero and singleton columns
  • Bug fix: “Model->Bivariate” crashed when restarting without first closing window

4.02

  • Google Maps replaced with Open Street Maps (because free limit on Google Maps calls was exceeded).
  • Added compositional data transforms (ALR, CLR, ILR).
  • Changed the color selector for rows.
  • Confidence interval for forecast added to bivariate regression.
  • Past can now be started by clicking on a data file, if you set the association manually (“Open with”).
  • Help texts added to 20 modules
  • Bug fix: Save as type other than Past did not work (this is not an option on Mac)
  • Bug fix: Dragging (moving) columns in the spreadsheet possibly fixed
  • Bug fix: Smoothing spline: Copy-paste of the “Given points” table did not work

4.03

  • Redundancy Analysis (RDA)
  • One-way PerMANOVA now includes repeated-measures (paired) design.
  • Color selector for rows reverted to old (pre 4.02) type (new type optional in the Row colors/symbols module)
  • Diversity module: Bootstrapping made optional, and speed improvement
  • Permutation test added to repeated-measured ANOVA
  • NMDS now reports distances to group centroids
  • Individual rarefaction now includes option for plotting all samples at smallest N
  • Mann-Kendall test now reports the z statistic with sign (not absolute value)
  • Help text added to 16 modules
  • Bug fix: Changepoint analysis crashed on Mac
  • Bug fix: Bivariate linear regression with log-log transformation: reported residuals were not transformed
  • Bug fix: Incorrect plotting of convex hulls in some special cases
  • Bug fix: Delete uninformative rows did not work for genetic data

4.04

  • Parsimony (cladistics) module 
  • Size-proportional Venn diagrams for two and three sets 
  • Phi measure for compositional data added to Correlation module 
  • More colour options in Graph preferences, including the viridis palette 
  • Help text pointers redirected to new web location 
  • Bug fix: Bivariate linear regression with missing values (?) could crash 
  • Bug fix: Box plot fail for some pathological data 
  • Bug fix: Discriminant analysis crashed for data with less than 4 variables but more than 5 groups 
  • Bug fix: Anderson-Darling test was inaccurate for data with many ties (equal values) 
  • Bug fix: Bingham test for spherical data crashed for very large departure from uniform distribution 
  • Bug fix: Contingency table: Limits for table size for Fishers exact test reduced further to avoid hang-ups 
  • Further improvements in Stratigraphic chart (but still not bug free) 

4.05

  • New module for digitizing point co-ordinates, directions and distances from images. 
  • Outlier tests (Grubbs’ test, Dixon’s test, generalized ESD). 
  • Indicator species analysis (IndVal). 
  • Stratigraphic chart: Added lithological column with symbols for a number of rock types. 
  • Unitary associations: Added listing of Z4 cycles in the biostratigraphic graph 
  • One-way ANOVA: Added joint confidence intervals for pairwise group differences. 
  • Histogram now accepts data with a group column. 
  • Nonlinear fit: Slight change of parameterization for Hill’s equation. 
  • Nonlinear fit: Improved fit for Hill’s equation with zero intercept 
  • Principal Coordinates Analysis now runs ca. 4 times faster for large data sets, but only for non-singular distance matrices 
  • Bug fix: Symbols did not show on Open Street Maps (bug caused by the relocation of the Past web page) 
  • Bug fix: Repeated measures PERMANOVA pairwise tests crashed (bug introduced in 4.03) 
  • Bug fix: Survival analysis crashed (bug introduced in 4.04) 
  • Bug fix: Univariate summary statistics crashed for N>1290 (bug introduced recently) 
  • Bug fix: Kendall’s tau in the Correlation module failed for N>1290 
  • Bug fix: Univariate two-sample tests and several-sample tests crashed for “pathological” data, on Mac only 
  • Bug fix: Minimal spanning trees in ordination plots were computed in the plotted space, not in the original high-dimensional space 
  • Bug fix: Small adjustment to the p value in Mann-Kendall trend test for very small p and n<=10. 
  • Bug fix: Vertical displacement of text in SVG and PDF exported files when the “Font rotation” setting is set to zero

4.06

  • Diversity indices for abundance data: New indices ACE and iChao1 (“Improved” Chao1).
  • Diversity indices for abundance data: Analytical confidence intervals for Simpson, Shannon, Fisher and Chao1.
  • Radiocarbon calibration
  • NMDS: Option for plotting column scores as weighted averages of row scores
  • PCA: Added Bartlett’s test for sphericity, and the Kaiser-Meyer-Olkin measure of sampling adequacy
  • Two-way PERMANOVA now supports unbalanced designs
  • Contingency table: p values with Bonferroni correction added to the post-hoc analysis
  • Row colors/symbols: New Auto buttons for setting colors and symbols on all groups
  • Box plot etc.: Option for arbitrary x positions, and slider for box width
  • Added random/fixed effect option to two-way nested ANOVA
  • Bivariate linear regression: Added bootstrapped 95% confidence band for OLS, RMA, MA and robust
  • Diversity indices for abundance data, Shannon index: Added options for log2 version, and for bias correction with the ACE richness estimate.
  • Clustering: Option to rotate the dendrogram 90 degrees
  • Linear multivariate regression with 1 independent variable: Missing values in the independent variable are now disregarded instead of mean-value imputed.
  • Support for Cyrillic letters in SVG graphic export
  • Edit->Rearrange menu: Removed “Observations to contingency table” (superfluous) and added “Rows, cols, values to table” function.
  • Bug fix: Transform menu, most of the functions were confused if group columns were included in the selection
  • Bug fix: Two-way ANOVA interaction term was slightly inaccurate for unbalanced designs
  • Bug fix: Two-way nested ANOVA p value slightly inaccurate for small N
  • Bug fix: Phi correlation for compositional data crashed when vectors were identical
  • Bug fix: Shannon index, bias corrected version was slightly inaccurate (of no consequence for reasonable sample sizes)
  • Bug fix: “Filter” function in wavelet analysis crashed when scale slider moved to max
  • Bug fix: Leading and trailing spaces causing problems in group columns, now disregarded
  • Bug fix: Unitary Associations crashed when only one UA was found

4.07

  • Nonlinear ordinations: Spectral embedding and UMAP

  • Test for multivariate dispersion (PERMDISP)

  • Cluster analysis: Two-way dendrogram improved, with heat map for the data matrix

  • PCA: Added support for supplementary variables (“passive projection”)

  • Repeated-measures ANOVA: Added sphericity estimates and corrections (Greenhouse-Geisser and Huynh-Feldt)

  • Polynomial regression: Added bootstrapped confidence intervals

  • Correlation matrix plot: Option for displaying the R values as numbers

  • Nonlinear fit: Added R^2 statistic

  • WA-PLS: Added output of the species optima

  • Open Street Map: New implementation

  • Bug fix: Wavelet analysis crashed for long time series (bug introduced recently)

  • Bug fix: Two-sample tests crashed in rare cases, due to a failure in the Epps-Singleton test

  • Bug fix: Calibration with CABFAC crashed

Published Aug. 24, 2020 1:55 PM - Last modified Aug. 22, 2021 3:38 PM