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Release history

Stats Master Release History

 New features and changes for v6.2.0 (November 2023)

  • Support for Rad Studio Athens 12.0
  • Added ARIMA Trend decomposition example.
  • Bug fix for MannWhitneyTest.
  • Updated for MtxVec v6.2.0

 New features and changes for v6.1.0 (June 2022)

  • Android 11 tagged pointer support.

Time-series forecasting:

  • Rewritten ARMAForecast
  • Rewritten ARMAMLE
  • Added new trend decomposition ARIMA example to Stats Master demo.
  • Added Durbin-Watson statistics.

 New features and changes for v6.0.5 (September 2021)

  • Added support for RAD Studio 11 Alexandria

 New features and changes for v6.0.4 (July 2021)

  • Initial release of the Stats Master for .NET Core 5.0 rewritten in C#.

 New features and changes for v6.0.4 (March 2021)

  • Fixed a bug when fitting parameters of the Fisher random distribution.
  • Vectorized version of the Fisher PDF.

 New features and changes for v6.0.4 (March 2021)

  • Bug fix for Stepwise multiple regression when running with enabled assertions (debug mode).

 New features and changes for v6.0.1 (June 2020)

  • Support for Sydney 10.4 and matching MtxVec v6 features.

 New features and changes for v6.0 (March 2020)

  • Matching MtxVec v6 with features.
  • Added C++Builder support across all features.

 New features and changes for v6.0 (February 2020)

  • Support for Rad Studio XE10.3 Rio Update 3 and Android64 compiler.
  • Support for combined (either double or single) precision where meaningfull.

 New features and changes for v5.3.2 (December 2018)

  • Support for Rad Studio XE10.3 Rio
  • Installer support for FMX and Delphi platforms.

 New features and changes for v5.3.1 (January 2018)

  • New stepwise multiple linear regression component TMtxStepwiseReg. Suport for forward, backward and exhaustive search.
  • Support for Linux in Rad Studio XE10.2 Tokyo (Update 2). The following units are functional in Linux: RegModels, Regress, Statistiscs, StatRandom and StatTools
  • Bug fix for NegBinomPDF and NegBinomCDFInv (numerical stability)
  • .NET bug fix for Marquardt optimization method (giving rise to "complement of two.." type of error).
  • GeometricFit fix for confidence interval estimation.

New features and changes for v5.2 (May 2017)

  • Updated for MtxVec v5.2 (Intel IPP and MKL update).
  • Support for Rad Studio XE10.2 Tokyo.

 New features and changes for v5.1.1 (September 2016)

  • Updated for MtxVec v5.1.1 (Intel IPP and MKL update).
  • Performance improvement for PairwiseDistance function (L2 norm) by roughly 10x.

New features and changes for v5.1 (May 2016)

  • Updated for MtxVec v5.1 (Intel IPP v9 update and Intel MKL update).
  • Cross platform support for FireMonkey on iOS, OS X and Android.
  • Support for old and new C++Builder 32bit and 64bit compilers.
  • Support for XE10.1 and related TeeChart updates.

New features and changes for v5.02 (April 2015)

  • Updated for MtxVec v5.02 (Performance Enhancements, Android support).
  • Update to Stats Master demo for FireMonkey to run also on Android tablets.
  • Support for XE8 and related TeeChart updates.

New features and changes for v5.0 (December 2014)

  • Update for MtxVec v5. All features are now available optionally also with full source pascal code running at lower speed, but with cross-platform portability.
  • Updated for FireMonkey XE7.

New features and changes for v4.4 (September 2014)

  • Added support for XE7.

New features and changes for v4.4 (February 2014)

  • Added support for FireMonkey including all UI controls, Demo and TeeChart support from including XE5 forward.
  • Fixed double and tripple exponential smoothing.
  • Fixed a potential round off error with two-level full factorial design.
  • Added new faster overload for histogram computation.

New features and changes for v4.1 (October 2011)

  • Updated for TeeChart Pro 2011 and Delphi/C++Builder XE2 including support for 64bit compiler.

New features and changes for v4.0 (June 2010):

Statistics.pas, Regress.pas

  • Fixed GrubbsTest
  • Fixed bug with RegressTest and Constant param
  • Fixed bug with TBiPlot demo
  • Updated for TeeChart 2010 and Delphi/C++Builder 2010.

New features and changes for v3.5 (September 2008):


  • Support for Delphi 2009 and CBuilder 2009
  • New help files.
  • Hypothesis test - fixed hypothesis result when test statistics was Inf or Nan.
  • Several changes in Covatiance and CorrCoef implementation (vectorized)
  • Fixed several bugs in A-D test. [StatTools.pas]
  • GOFKolmogorov bug fixed.


  • Fixed Q-Q plot when plotting only one dataset.

New features and changes for v3.0 (June 2007):

  • Improved random generators.
  • Added Gumbel, Triangular, Erlang distribution random number generators.
  • Changed implementation for all random generators to allow either use of MtxVec.Random.dll or "inhouse"
  • simplified random generators.
  • More examples, including C# an C++ examples.
  • All examples have been updated with the new Vector/Matrix syntax.
  • New HtmlHelp 2 format support. Now F1 works again.
  • Added Chi-Squared distribution parameter estimate (ChiSquareFit).
  • Added Cauchy distribution MLE parameter estimates (CauchyFit).
  • Added Erlang distribution parameter estimates (ErlangFit).
  • Added Laplace distribution MLE parameter estimates (LaplaceFit).
  • Added Negative Binomial distribution parameter estimates (NegBinomFit).
  • Expanded regression routines.
  • Added PRESS and R2 functions.
  • Several bug fixes.

New features and changes for v2.1 (May 2006):

  • Several new routines for handling/manipulating time series.
  • New tests for normal distribution, detecting outliers, etc.
  • Improved examples and help files.
  • Several bug fixes.
  • Added Kolmogorov-Smirnov goodnes of fit test (one and two sample).
  • Added empirical cumulative distribution function.
  • Chi2 GOF test: added support for log-normal and uniform distribution.
  • Added ZScores for vector.
  • Added Bera-Jarque test of composite normality.
  • Added Grubbs's test for outliers.
  • Several bugs in routine Histogram fixed.
  • Added single moving average function.
  • Added sigle, double and triple exponential smoothing routines.
  • Added sigle, double and triple exponential forecasting routines.
  • Added ARMA/ARIMA simulation routines.
  • Added ARMA/ARIMA estimation (MLE) routines.
  • Added ARMA/ARIMA forecasting routines.
  • Added Yule-Walker AR coefficients estimation.
  • Added Burg AR coefficients estimation.
  • Added Innovations ARMA and MA coefficients estimation.
  • Added innovations and Durbin-Levinson algorithms.
  • Added ARAR model fitting and forecasting routines.
  • Added Box-Cox and inverse Box-Cox transformation.
  • Added rational model fit.
  • Added logistic model fit.
  • Added Poisson regression.
  • Added tMtxBinaryTest component for performing one and two test(s) binary diagnostic test.
  • Added several new examples demonstrating time series analysis routines..

New features and changes for v2.0 (December 2005):

  • The demo now compiles with VCL.NET.
  • Fixed a memory leak for the custom editors.
  • Support for Delphi 2005, 2006 W32 and .NET personalities and updated recompile tool.

New features and changes in v2.0 (May 2005):

  • Compatible with MtxVec v2.
  • Support for .NET.
  • Support for SSE3 instruction set.
  • Substantial increase in number of optimized primitive functions and methods via MtxVec v2.
  • Improved range checking and programmer safety.
  • Several bug fixes.
  • Enhanced and more customizable routines.

New features and changes in v1.1 (June 2002):


  • Added Chi-Squared and F tests for comparing variance(s).
  • Added Spearman rank correlation test.
  • Added LogNormalFit routine for fitting log-normally distributed values.
  • Fixed the internal TiedRank routine (in some special cases ranks were not calculated correctly) and moved it to public section.
  • Added autocovariance, autocorrelation and partial autocorellation functions.
  • Added Chi2 Goodness of fit test routines.
  • Added Shapiro-Wilks and Shapiro-Francia Goodness of fit test routines.
  • Minor bug fixes.


  • Added control limits calculation for R-Chart.
  • Added EWMA chart calculation.
  • Removed the probability axis tool. Now the relevant code is included in probability series (simplified code - see updated example in Statistics demo).


  • Fixed R2 calculation for Constant := false case.
  • Added logistic (simple and ordinal) regression routines.
  • Minor bug fixes


  • New TMtxLogistReg component which encapsulates logistic regression routines. 

Initial release of Statistics for MtxVec 1.0 (July 2001)

Fixed a potential round off error with two-level full factorial design.