SkewnessModuleCoefficient3D: Calculation of the skewness coefficient of the modules in 3D

Description Usage Arguments Details Value Author(s) References See Also Examples

Description

This function calculates the skewness coefficient and indicates the symmetry of the distribution from a set of input modules.

Usage

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Arguments

modules

Vector containing the values of the modules

Details

One way to obtain a set of modules from X and Y coordinates of the vectors is to use the LoadData3D function.

A normal data distribution presents a skewness coefficient equal to 0.

Value

The value skewness coefficient of all input modules

Author(s)

Felicisimo, A.M., amfeli@unex.es, Ruiz-Cuetos, J.C., bilba_t@hotmail.com, Polo, M.E., mepolo@unex.es, Cuartero, A., acuartero@unex.es, Rodriguez, P.G. pablogr@unex.es

References

Website http://gim.unex.es/VecStatGraphs3D/

See Also

ArithmeticMean3D, StandardError3D, ModuleStandardDeviation3D, ModuleVariance3D, ModulePopulationVariance3D, ModulePopulationStandardDeviation3D, SkewnessModuleCoefficient3D, AllModuleStatistics3D.

Examples

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   FileName<-system.file("data/XYZcoor.txt", package="VecStatGraphs3D")
   dat<-LoadData3D(FileName, Type=1)
   modules<-dat[,1]
   SkewnessModuleCoefficient3D(modules)
   


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