Compute the symbolic standard desviation.
sd(x, ...)# S3 method for default
sd(x, na.rm = FALSE, ...)
# S3 method for symbolic_interval
sd(x, method = c("centers", "interval", "billard"), na.rm = FALSE, ...)
# S3 method for symbolic_tbl
sd(x, ...)
return a real number.
A symbolic variable.
As in R sd function.
As in R sd function.
The method to be use.
Oldemar Rodriguez Rojas
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.