RSDA (version 1.3)

sym.var: Symbolic Variable (Feature)

Description

This function get a symbolic variable from a symbolic data table.

Usage

sym.var(sym.data, number.sym.var)

Arguments

sym.data

The symbolic data table

number.sym.var

The number of the column for the variable (feature) that we want to get.

Value

Return a symbolic data variable with the following structure:

$N

[1] 7

$var.name

[1] "F6"

$var.type

[1] "$I"

$obj.names

[1] "Case1" "Case2" "Case3" "Case4" "Case5" "Case6" "Case7"

$var.data.vector

F6 F6.1 Case1 0.00 90.00

Case2 -90.00 98.00

Case3 65.00 90.00

Case4 45.00 89.00

Case5 20.00 40.00

Case6 5.00 8.00

Case7 3.14 6.76

References

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

Bock H-H. and Diday E. (eds.) (2000). Analysis of Symbolic Data. Exploratory methods for extracting statistical information from complex data. Springer, Germany.

See Also

sym.obj

Examples

data(example3)
sym.data<-example3
sym.var(sym.data,4)
sym.var(sym.data,6)