variance_ {LearningRlab}

Variance Calculus Function

Description

This function calculates the variance of a numbers vector.

Usage

variance_(x)

Arguments

x

Should be a numbers vector

Details

To calculate the variance, the user should give a numbers vector. The result is the expectation of the squared deviation of all numbers vector from its mean. The variance formule is the following:

Value

Numeric, the variance of the numbers vector.

Note

A vector is created by c(), like c(1,2,3,4,5) creates a vector with the numbers: 1,2,3,4,5

Author(s)

Dennis Monheimius, [e-mail]
Eduardo Benito, [e-mail]
Juan Jose Cuadrado, [e-mail]
Universidad de Alcala de Henares

Examples

    #data creation
    data = c(1,4,3,3,2,5,7,12,1,2,3,12)
    
    variance_(data)