LearningRlab (version 2.4)

standardDeviation_: Standard Deviation Calculus Function

Description

This function calculates the standard deviation of a numbers vector.

Usage

standardDeviation_(x)

Value

Numeric, the standard deviation 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 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:

Examples

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