Mean

Summary: Create a treemap to visualize election results by state, coloring by winner and sizing by electors, with additional ordering based on mean values of X and Y.

Code:

// Open data table
dt = Open("$Sample_Data/US Election 2008.jmp");
// Treemap
Tree Map(
    Categories( :State ),
    Coloring( :Winner ),
    Sizes( :Electors ),
    Ordering( :"Mean(X)"n, :"Mean(Y)"n ),
    Color Theme( "JMP Default" )
);