unfortunately, mapinfo corp does not understand bivariate mapping concepts.
the point of a bivariate map is to have the answer clearly shown, not to
have a cluttered map that one can strugle with to determine the answer.
(i.e. if crime is high and income is low then the polygon is red. if crime
have you tried a symbol inside a symbol. I manage to use the same datapoint
more than one thematic mapping different columns, loading the layers as many
times (more than 3 get dificult to interpret) assigning different symbols at
each layer. To the one on the bottom i assign a bigger symbols and
