Hi @dilipkumar ,
Not knowing what the variables (a, b, etc.) might contain, here are two examples if the variables contain a list or a function, that will populate the column with the values defined by the variable and not the variable itself,
dt = New Table( "Result" );
// Method for inserting a list or a matrix
a = [1, 2, 3, 4];
dt << New Column( "X", Continuous, "Nominal", Set Values( a ) );
// Method for inserting a function
b = Expr(
Random Uniform( 1, 10 )
);
dt << New Column( "Y", continuous, "nominal", formula( Name Expr( b ) ) );
Hope that helps.