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ONEWS-1.5.x
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Summary of important user-visible changes for statistics 1.5.0:
-------------------------------------------------------------------
Important Notice: 1) dependency change to Octave>=6.1.0
2) `mean` shadows core Octave's respective function
3) removed dependency on `io` package
4) incompatibility with the `nan` package
New functions:
==============
** anova2 (fully Matlab compatible)
** bvncdf
** cdfcalc, cdfplot
** chi2gof (fully Matlab compatible. bug #46764)
** chi2test (bug #58838)
** cholcov (fully Matlab compatible)
** ecdf (fully Matlab compatible)
** evfit (fully Matlab compatible)
** evlike (fully Matlab compatible)
** fitlm (mostly Matlab compatible)
** fillmissing (patch #10102)
** friedman (fully Matlab compatible)
** grpstats (complementary to manova1)
** kruskalwallis (fully Matlab compatible)
** kstest (fully Matlab compatible)
** kstest2 (fully Matlab compatible. bug #56572)
** libsvmread, libsvmwrite (I/O functions for LIBSVM data files)
** manova1 (fully Matlab compatible)
** manovacluster (fully Matlab compatible)
** mean (fully Matlab compatible, it shadows mean from core Octave)
** multcompare (fully Matlab compatible)
** mvtcdfqmc
** ranksum (fully Matlab compatible. bug #42079)
** standardizeMissing (patch #10102)
** svmpredict, svmtrain (wrappers for LIBSVM 3.25)
** tiedrank (complementary to ranksum)
** x2fx (missing function: bug #48146)
Improvements:
=============
** anova1: added extra feature for performing Welch's ANOVA (PR #15)
** anovan: mostly Matlab compatible, extra features. (patch #10123, PR #1-42)
** binopdf: implement high accuracy Loader algorithm for m>=10 (bug #34362)
** cdf: extended to include all available distributions
** crosstab: can handle char arrays, fixed ordering of groups
** gaminv: fixed accuracy for small 1st argument (bug #56453)
** geomean: fully Matlab compatible. (patch #59410)
** gevlike: fully Matlab compatible. ACOV output is the inverse Fisher Inf Mat
** grp2idx (fully Matlab compatible, indexes in order of appeearance)
** harmmean: fully Matlab compatible.
** hygepdf: added optional parameter "vectorexpand" to facilitate
vectorization of other hyge functions. Allows different inputs lengths
for x and t,m,n parameters, with broadcast expanded output (bug #34363)
** hygecdf: improved vectorization for non-scalar inputs.
hygeinv
hygernd
** ismissing: corrects handling of n-D arrays, NaN indicators, and improves
matlab compatibility for different data types. (patch #10102)
** kmeans: improved help file, evaluate efficiency (bug #8959)
** laplace_cdf: allow for parameters mu and scale (bug #58688)
laplace_inv
laplace_pdf
logistic_cdf
logistic_inv
logistic_pdf
** logistic_regression: fixed incorrect results (bug #60348)
** mvncdf: improved performance and accuracy (bug #44130)
** normplot: fixed ploting error (bug #62394), updated features
** pdf: extended to include all available distributions
** pdist: updated the 'cosine' metric to be more efficient (bug #62495)
** rmmissing: corrects cellstr array handling and
improves matlab compatibility for different data types. (patch #10102)
** signtest: fix erroneous results, fully Matlab compatible (bug #49961)
** ttest2: can handle NaN values as missing data (bug #58697)
** violin: fix parsing color vector affecting Octave>=6.1.0 (bug #62805)
** wblplot: fixed coding style and help texinfo. (patch #8579)
Removed Functions:
==================
** anova (replaced by anova1)
** caseread, casewrite (do not belong here)
** chisquare_test_homogeneity (replaced by chi2test)
** chisquare_test_independence (replaced by chi2test)
** kolmogorov_smirnov_test (replaced by kstest)
** kolmogorov_smirnov_test_2 (replaced by kstest2)
** kruskal_wallis_test (replaced by kruskalwallis)
** manova (replaced by manova1)
** repanova (replaced by anova2)
** sign_test (replaced by updated signtest)
** tblread, tblwrite (belong to `io` package when tables are implemented)
** t_test, t_test_2 (deprecated: use ttest & ttest2)
** wilcoxon_test (replaced by ranksum)
Available Data Sets:
====================
** acetylene Chemical reaction data with correlated predictors
** arrhythmia Cardiac arrhythmia data from the UCI machine learning repository
** carbig Measurements of cars, 1970–1982
** carsmall Subset of carbig. Measurements of cars, 1970, 1976, 1982
** cereal Breakfast cereal ingredients
** examgrades Exam grades on a scale of 0–100
** fisheriris Fisher's 1936 iris data
** hald Heat of cement vs. mix of ingredients
** heart_scale.dat Used for SVM testing
** kmeansdata Four-dimensional clustered data
** mileage Mileage data for three car models from two factories
** morse Recognition of Morse code distinctions by non-coders
** popcorn Popcorn yield by popper type and brand
** stockreturns Simulated stock returns
** weather Daily high temperatures in the same month in two consecutive years
Summary of important user-visible changes for statistics 1.5.1:
-------------------------------------------------------------------
Important Notice: 1) `mean` shadows core Octave's respective function
2) incompatibility with the `nan` package
New functions:
==============
** barttest (fully Matlab compatible)
** evcdf (fully Matlab compatible)
** evinv (fully Matlab compatible)
** evpdf (fully Matlab compatible)
** evrnd (fully Matlab compatible)
** evstat (fully Matlab compatible)
** gpfit (fully Matlab compatible)
** gplike (fully Matlab compatible)
** gpstat (fully Matlab compatible)
** levene_test (options for testtypes, handling NaNs and GROUPS like anova1)
** ncfcdf (fully Matlab compatible)
** ncfinv (fully Matlab compatible)
** ncfpdf (fully Matlab compatible)
** ncfrnd (fully Matlab compatible)
** ncfstat (fully Matlab compatible)
** nctcdf (fully Matlab compatible)
** nctinv (fully Matlab compatible)
** nctpdf (fully Matlab compatible)
** nctrnd (fully Matlab compatible)
** nctstat (fully Matlab compatible)
** ncx2cdf (fully Matlab compatible)
** ncx2inv (fully Matlab compatible)
** ncx2rnd (fully Matlab compatible)
** ncx2stat (fully Matlab compatible)
** normlike (fully Matlab compatible)
** sampsizepwr (fully Matlab compatible with extra functionality)
** vartestn (fully Matlab compatible)
Improvements:
=============
** bartlett_test: improved functionality, hanlding NaNs and GROUPS like anova1
** chi2cdf: added "upper" option and confidence bounds
** chi2test: improved functionality, handles multi-way tables
** crosstab: returns chi-square and p-value for multiway tables
** evfit: fixed bug that caused an error when x is a row vector
** fcdf: added "upper" option and confidence bounds
** gamcdf: added "upper" option and confidence bounds
** gpcdf: added "upper" option and confidence bounds
** mvnpdf: fixed MATLAB compatibility
** mvnrnd: fixed MATLAB compatibility
** ncx2pdf: reimplemented to be fully MATLAB compatible
** normcdf: added "upper" option and confidence bounds
** tcdf: added "upper" option
** vartest: fixed MATLAB compatibility
** vartest2: fixed MATLAB compatibility
** ztest: fixed MATLAB compatibility
Removed Functions:
==================
** cloglog
** nanmean (replaced by mean)
** kolmogorov_smirnov_cdf (unused by new kstest, kstest2 functions)
** u_test (replaced by ranksum)
** var_test (replaced by vartest)
** z_test (replaced by ztest)
Summary of important user-visible changes for statistics 1.5.2:
-------------------------------------------------------------------
Important Notice: 1) `mean`, `median`, `std`, and `var` functions
shadow core Octave's respective functions
2) incompatibility with the `nan` package
New functions:
==============
** median (fully Matlab compatible)
** std (fully Matlab compatible)
** var (fully Matlab compatible)
Improvements:
=============
** mean: fixed MATLAB compatibility
** multcompare: fixed erroneous results for Welch ANOVA, updated features
** tcdf: fixed erroneous results
** ttest: added support for NaN values and matrix inputs
** ttest2: added support for matrices and multiple t-tests
Removed Functions:
==================
** nanmedian (replaced by median)
** nanstd (replaced by std)
** nanvar (replaced by var)
Summary of important user-visible changes for statistics 1.5.3:
-------------------------------------------------------------------
Important Notice: 1) `mean`, `median`, `std`, and `var` functions
shadow core Octave's respective functions
2) incompatibility with the `nan` package
New functions:
==============
** adtest (fully Matlab compatible)
** hotelling_t2test (new functionality, replacing old hotelling_test)
** hotelling_t2test2 (new functionality, replacing old hotelling_test_2)
** regression_ftest (new functionality, replacing old f_test_regression)
** regression_ttest (replacing old t_test_regression)
** vmcdf (von Mises cummulative distribution function)
Improvements:
=============
** betacdf: added "upper" option
** binocdf: added "upper" option
** expcdf: added "upper" option and confidence bounds
** geocdf: added "upper" option
** gevcdf: added "upper" option
** hygecdf: added "upper" option
** laplace_cdf: updated functionality
** laplace_inv: updated functionality
** laplace_pdf: updated functionality
** laplace_rnd: updated functionality
** logistic_cdf: updated functionality
** logistic_inv: updated functionality
** logistic_pdf: updated functionality
** logistic_rnd: updated functionality
** logncdf: added "upper" option and confidence bounds
** mean: fixed MATLAB compatibility
** median: fixed MATLAB compatibility
** multcompare: print PostHoc Test table
** nbincdf: added "upper" option
** poisscdf: added "upper" option
** raylcdf: added "upper" option
** std: fixed MATLAB compatibility
** unidcdf: added "upper" option
** unifcdf: added "upper" option
** var: fixed MATLAB compatibility
** vmpdf: updated functionality
** vmrnd: updated functionality
** wblcdf: added "upper" option and confidence bounds
Removed Functions:
==================
** anderson_darling_cdf (replaced by adtest)
** anderson_darling_test (replaced by adtest)
** hotelling_test (replaced by hotelling_t2test)
** hotelling_test_2 (replaced by hotelling_t2test2)
** f_test_regression (replaced by regression_ftest)
** t_test_regression (replaced by regression_ttest)
Summary of important user-visible changes for statistics 1.5.4:
-------------------------------------------------------------------
Important Notice: 1) `mean`, `median`, `std`, and `var` functions
shadow core Octave's respective functions
2) incompatibility with the `nan` package
New functions:
==============
** bvtcdf
** correlation_test (new functionality, replacing old cor_test)
** icdf (wrapper for all available *inv distribution functions)
** fishertest (fully Matlab compatible)
** procrustes (fully Matlab compatible)
** ztest2 (new functionality, replacing old prop_test_2)
Improvements:
=============
** cdf: updated wrapper for all available *cdf distribution functions
** dcov: handles missing values and multivariate samples
** geomean: fixed MATLAB compatibility
** harmmean: fixed MATLAB compatibility
** mean: fixed MATLAB compatibility
** median: fixed MATLAB compatibility
** mvtcdf: improved speed, fixed Matlab compatibility
** pdf: updated wrapper for all available *pdf distribution functions
** random: updated wrapper for all available *rnd distribution functions
** regression_ttest: new functionality
** std: fixed MATLAB compatibility
** var: fixed MATLAB compatibility
Removed Functions:
==================
** cor_test (replaced by correlation_test)
** prop_test_2 (replaced by ztest2)