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Circular Statistics Toolbox (Directional Statistics) 1.0

  Date Added: May 05, 2013  |  Visits: 358

Circular Statistics Toolbox (Directional Statistics)

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Contributors:Marc Velasco, Tal KrasovskyReference:P. Berens, CircStat: A Matlab Toolbox for Circular Statistics, Journal of Statistical Software, Volume 31, Issue 10, 2009 cite this paper when the provided code is used. See licensing terms for details.Contents:circ_r Resultant vector lengthcirc_mean Mean direction of a sample of circular datacirc_axial Mean direction for axial datacirc_median Median direction of a sample of circular datacirc_std Dispersion around the mean direction (std, mardia)circ_var Circular variancecirc_skewness Circular skewnesscirc_kurtosis Circular kurtosiscirc_moment Circular p-th momentcirc_dist Distances around a circlecirc_dist2 Pairwise distances around a circlecirc_confmean Confidence intervals for mean directioncirc_stats Summary statisticscirc_rtest Rayleigh's test for nonuniformitycirc_otest Hodges-Ajne test (omnibus test) for nonuniformitycirc_raotest Rao's spacing test for nonuniformitycirc_vtest V-Test for nonuniformity with known mean directioncirc_medtest Test for median anglecirc_mtest One-sample test for specified mean directioncirc_wwtest Multi-sample test for equal means, one-factor ANOVAcirc_hktest Two-factor ANOVAcirc_ktest Test for equal concentration parametercirc_symtest Test for symmetry around median anglecirc_kuipertest Test whether two distributions are identical (like KS test)circ_corrcc Circular-circular correlation coefficientcirc_corrcl Circular-linear correlation coefficientcirc_kappa Compute concentration parameter of a vm distributioncirc_plot Visualization for circular datacirc_clust Simple clustering for circular datacirc_samplecdf Evaluate CDF of a sample of anglesrad2ang Convert radian to angular valuesang2rad Convert angular to radian valuesAll functions take arguments in radians (expect for ang2rad). For a detailed description of arguments and outputs consult the help text in the files.Since 2010, most functions for descriptive statistics can be used in Matlab style matrix computations. As a last argument, add the dimension along which you want to average. This changes the behavior slightly from previous relaeses, in that input is not reshaped anymore into vector format. Per default, all computations are performed columnwise (along dimension 1). If you prefer to use the old functions, for now they are contained in the subdirectory 'old'.References:- E. Batschelet, Circular Statistics in Biology, Academic Press, 1981- N.I. Fisher, Statistical analysis of circular data, Cambridge University Press, 1996- S.R. Jammalamadaka et al., Topics in circular statistics, World Scientific, 2001- J.H. Zar, Biostatistical Analysis, Prentice Hall, 1999If you have suggestions, bugs or feature requests or want to contribute code, please email me.

Requirements: No special requirements
Platforms: Matlab
Keyword: Ang Rad Angular Arguments Convert Expect Functions Rad Ang Radian Radians Values
Users rating: 0/10

License: Shareware Size: 40.96 KB
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