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Aide Scilab >> Statistiques > moment

moment

non central moments of all orders

Calling Sequence

mom=moment(x,ord)
mom=moment(x,ord,'r') or mom=moment(x,ord,1)
mom=moment(x,ord,'c') or mom=moment(x,ord,2)

Arguments

x

real or complex vector or matrix

ord

positive integer

Description

moment(x,ord) is the non central moment or order ord of the elements of x.

If a third argument of type string 'r' (or 1) or 'c' (or 2) is used, we get in the first case, a row vector mom such that mom(j) contains the non central moment of order ord of the j column of x. moment(x,ord,'c') is used in the same way for the non central moments in the rows.

Examples

x=[0.2113249 0.0002211 0.6653811;0.7560439 0.3303271 0.6283918]
mom=moment(x,3)
mom=moment(x,2,'r')
mom=moment(x,3,'c')

Authors

Carlos Klimann

Bibliography

Wonacott, T.H. & Wonacott, R.J.; Introductory Statistics, fifth edition, J.Wiley & Sons, 1990.

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Last updated:
Wed Oct 05 12:10:58 CEST 2011