sd {RSDA}

Generic function for the standard desviation

Description

Compute the symbolic standard desviation.

Usage

sd(x, ...)

## Default S3 method:
sd(x, na.rm = FALSE, ...)

## S3 method for class 'symbolic_interval'
sd(x, method = c("centers", "interval", "billard"), na.rm = FALSE, ...)

## S3 method for class 'symbolic_tbl'
sd(x, ...)

Arguments

x

A symbolic variable.

...

As in R sd function.

na.rm

As in R sd function.

method

The method to be use.

Value

return a real number.

Author(s)

Oldemar Rodriguez Rojas

References

Billard L. and Diday E. (2006). Symbolic data analysis: Conceptual statistics and data mining. Wiley, Chichester.

Rodriguez, O. (2000). Classification et Modeles Lineaires en Analyse des Donnees Symboliques. Ph.D. Thesis, Paris IX-Dauphine University.