standardDeviation_ {LearningRlab}

Standard Deviation Calculus Function

Description

This function calculates the standard deviation of a numbers vector.

Usage

standardDeviation_(x)

Arguments

x

Should be a numbers vector

Details

To calculate the standard deviation, the user should give a numbers vector. The result is the square root of the sum of the differences between each vector element and the mean squared divided by the number of elemets. The standard deviation formule is the following:

Value

Numeric, the standard deviation 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)
    
    standardDeviation_(data)