RSDA (version 1.1)

interscal.delta: Matrix delta in interscal algorithm

Description

Compute the matrix B in interscal algorithm.

Usage

interscal.delta(sym.data)

Arguments

sym.data

Should be a symbolic data table read with the function read.sym.table(...).

Value

• The delta matrix in interscal algorithm.

References

Groenen, P.J.F., Winsberg, S., Rodriguez, O., Diday, E. (2006). I-Scal: Multidimensional scaling of interval dissimilarities. Computational Statistics and Data Analysis, 51, 360-378. Rodriguez, O. (2000). Classification et Modeles Lineaires en Analyse des Donnees Symboliques. Ph.D. Thesis, Paris IX-Dauphine University

See Also

sym.interval.pca

Examples

data(ex_cfa1)
sdn<-sym.normalize(ex_cfa1)
MDis<-interscal.delta(ex_cfa1)