v 4.7

- Power calculation for t-test, proportions and ANOVA in the general menu.
- better graphpaper and line plot to graphpaper also in plot menu.
- (transform can also transfom currency exchange rates)
- a new attempt to clarify data entry by the dialog. (info button)
- Weibull distributed random numbers
- now reads 'comma separated files' files as send from other apps like 'Numbers'.
- more Bayes.
- more Transforms and column actions.
- Wilcoxon- and Wilcoxon-signed rank distributions in 'Tables'.
- and the Wilcoxon signed rank test in non parametrics.
- noncentral t distributions in 'Tables'.
- runlength encoding.
- 'circular' random coordinates.
- Angular correlation coefficient.
- bug fixes.
- Bezier plot.
- Graphpaper to draw.
- stopwatch/intervaltimer for data entry.

4.6

- convert plots/graphs to data (digitise) (just take a photo!).
- digitise a map to longitude and latitude coordinates.
- distance between points with latitude and longitude (in transform).
- meta-analysis and forest plot for metadata (Mantel-Haenszel, DerSimonian-Laird, Peto, forest and funnel plots).
- logistic (logit) functions and plot (Tables).
- pharmacokinetics in Bioinformatics and first order kinetics in non-Linear regressions.
- age specific hazard models (survival analysis) also in non-Linear regressions.
- Cohen's Kappa as a Measure of Concordance in Categorical Sorting.
- bug fixes, menus reorganised.

V 4.5

- tickmarks in plot in- or outside box, plotlabels editing.
- interface cleanup, bug fixes, column means plot with standard error.
- preferences in separate menu,
- verbose or terse output in 'general'
- overview plots have info popup windows
- and other small changes (search, plots, fourier).
- data input improved

V 4.2

- 'rug' in scatterplot
- ROC (receiver-operator curves)
- enhancement in difference plot
- changed ecology to bioinformatics
- DNA sequence analysis
- IOS 7 user interface
- Bayes in separate menu
**Now 16 columns !!**We always wanted at least all twelve month in twelve columns, now the iPad proved to be powerful enough to have 16 columns ! More is possible, but at the moment we think 16 will do.- 'rug' in scatterplot.
- ROC (receiver-operator curves).
- enhancement in difference plot.
- The Fisher's exact routine is improved and there is a comparable Bayes routine (in non-parametric).
- Not only json, but also comma and tab separated files (csv;s) can be read from Dropbox (in/out).
- Amortize function to fill columns (transforms).
- An X - y1,y2.. plot routine.
- added Median Absolute Deviation (MAD) and Robust Tau-Estimate of Scale (in parametrics,overview)
- This version has a unified and enhanced user interface, all routines have about the same style.
- A lot of warnings are added.
- There are some small additions in the ecology menu (Mantel association test for two distance matrices)
- the transform menu several changes;
- some changes in the plot menu (parallel coordinates chart difference plot and relative percentage change plot)
- better i/o.
- more items in the search menu

and before:

- linear regression (regression menu) rearranged, Theil-Sen, Kendall, Robust, Deming, RMA and the like, in one item with better plot
- Bayes new routines, (proportions, regression), new interface, but still in its infancy
- 'heatmap' plot with general interface and colorlookup tables
- Wald and adjusted Wald interval, binomial test for proportions
- changes and additions to transformmenu, more plots
- Test for homogeneity of variance: Brown-Forsythe Levene-type test (deviations from median) and conventional Levene test (deviations from mean) added to ANOVA
- userinterface improvements
- use Bayes to estimate proportions
- more explanations in search menu
- non-parametric Friedmann's test, Moses rank-like and Fisher exact test added to menu
- fill column with beta distribution or binomial distribution
- smallStats started small, but now, with about 300 routines, it needed a search menu.
- some explanations and rematks in the search menu
- non-parametric Friedmann's test, Moses rank-like and Fisher exact test added to menu
- several ways of filling columns in a separate menu (random numbers and the like)
- swap columns and merge columns in transform menu
- redesigned local storage and file interface
- can now store all columns in one file
- reduced example size for 3d to accomodate older iPads
- 3d plot as surface or mesh from list of coordinates
- Analysis of proportions: Mantel - Haenszel estimate, logistic regression, arcsin,
- two-way with replication anova R x C test
- non-parametric Scheirer-Ray-Hare anova
- ifelse.. ,log(x+1) in transforms, with more warnings
- enhanced coplot
- user interface enhancements
- improved heat map for correlation matrix.
- series of random numbers added (beta distribution, Chinese restaurant Model, Polya's urn and breaking stick)
- (in the fun department: primes and others)
- new version of 'the smallStats Companion' in the iBook store (free)
- small bug fixes, small interface change
- speedier contours,
- digitise photo's (for example for spatial distribution)
- Time series menu with decompose, plot, Ljung-Box, Holt-Winters and Hodrick-Prescott, Christiani-Fitzgerald, BaxterKing smoothing
- More demodata in better interface
- New user interface for website data and more online datafiles
- Moving difference,
- plot to compare columns.
- contourplot for files and images (and camera)
- more unit conversions
- improved interface for tables plots
- indicative correlation plot added to coplot
- new Bayes interface with:
- Gibbs sampler for one and two columns, first MCMC
- fill more columns from one line, (matlab style, with ';' separator)
- input data from a website file (tabs or comma delimited)
- improved scatterplot
- add comments to the result output
- matrix routines, covariance, inverse, svd, solve, principal comps.
- 'mean centering' and 'remove outliers' in transforms
- email also in 'R' format
- 'birthday paradox' in tables menu (probability of coincidences)
- bug fixes (cochran, histograms and others)

v1.73

- 'mean centering' and 'remove outliers' in transforms
- bug fixes (anova, loess)
- improved user interface fourier
- a suite of moving averages
- better QQplot, boxplot, indexplot, coplot etcetera.
- new human interface for overview and summary of a column of data
- dropbox sdk-1.3.2
- Jarque-Bera test
- more transforms
- new tables menu with more and better plots and more distributions (19)
- -> there is a
**(free !) iBook in the iBook store: 'the smallStats Companion'** - rearranged and improved plot menu
- new plots (Pareto, Controlchart, polar, 3d histogram etc)
- Studentized range in tables
- improved SNK output
- corrected bugs and inaccuracies
- info changed
- Fligner-Kileen and Bartlett test for variances
- Better Anova output
- Access to video help from website
- donut chart, percentage bar plot, data in resultview
- Latin square Anova
- histograms to scatterplot option
- several bugfixes and improvements
- started with Apple's accelerate framework (longer battery life and faster routines)
- More functions in console: sqrt, log, exp, abs, sin, cos, tan, asin, near, ceil, floor, ranks, ranks with ties, order, norm, and reciprocal
- also in the redesigned transformmenu

v1.5

- general stability and compatibility improvements
- Redesigned new data-entry with help, (and removed the redundant string date entry in in/out menu)
- first draft of a console added
- moving average (in transforms)
- Tukey's 'five-number summary'
- redesigned contingency tables
- moved Fisher's exact to contingency table
- twitter in info window
- better user preferences

v1.46

- bug fixes
- plot bug fixed (bug introduced in previous version)
- added bubble chart
- visual representation of correlation matrix
- more help-views
- lumped general statistics
- changed user interface Fourier

v1.45

- several bug fixes
- formatted output (html)
- with (air)print
- Jolly-Seber mark recapture added
- Improved similarity measures and distance measures
- check if internet available
- improved help views, internal and from the internet

v1.3

- improved data entry and editing
- 'DropBox' in and output, for data and results
- expanded web access
- added 'help window' for several routines
- added a startup screen with some introductory help
- results can now be printed to shared printer

v1.2

- corrected bugs and inaccuracies
- added Gamma statistic (nonparametric correlation)
- added Hill dose-response as alternative for logistic 4 parameters
- changed dialog localfiles
- added Akaike information criterion
- added plot ternary diagrams
- major axis, standard axis and Kendall robust regression lines (The Theil-Sen estimator)
- model II regression confidence ellipses in plot
- added lowess, loess modeling in regression item
- added powerspectrum, Fourrier transform
- changed standard for example button v1.1:
- corrected bugs and inaccuracies
- added a separate menu for regression and correlation
- added polynomial regression and plot
- added non-linear regression with f.e. Michaelis-Menten, Weibull, Gompertz and several others with an elaborate userinterface.
- added Erlang, binomial and negative Binomial distributions
- math symbols in the text
- made it easy to switch to the world wide web
- brought website 'smallstats.org' uptodate
- added some explanation to Kalman results
- added 'clear all' in miscelaneous
- added 24 hour to radians transform
- added sort and normalise 0..1 transform
- more than one line in colors in 'lineplot'