DOCUMENTATION CalcMe
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  1. Wiris Ecosystem Documentation
  2. CalcMe documentation
  3. Commands
  4. Statistics
  5. Central moment

en:calc:commands:statistics:central_moment

Central moment

Computes the k-th central moment of a data sample

m subscript k equals 1 over n sum from i equals 1 to n of open parentheses x subscript i minus x with bar on top close parentheses to the power of k

where x with bar on top is the mean of our sample and n is the size of the data.

Syntax

central_moment(Integer, Statistics_data)

Description

central_moment(Integer, Statistics_data)

Given an integer k and a data sample X, computes the k-th central moment of X.

Related functions

Variance, Moment, Skewness

Table of Contents
  • Syntax
  • Description
  • Related functions
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