This function get a symbolic variable from a symbolic data table.
sym.var(sym.data, number.sym.var)The symbolic data table
The number of the column for the variable (feature) that we want to get.
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
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.
sym.obj