LearningRlab (version 2.4)

variance_: Variance Calculus Function

Description

This function calculates the variance of a numbers vector.

Usage

variance_(x)

Value

Numeric, the variance of the numbers vector.

Arguments

x

Should be a numbers vector

Author

Dennis Monheimius,
Eduardo Benito,
Juan Jose Cuadrado,
Universidad de Alcala de Henares

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:

Examples

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