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