if (tbChar == null) {
// it is probably a Standard dataType,
// need to create characters for each column.
if (!categoricalData.characterHasName(i) && !categoricalData.hasStateNames(i)) {
// 1. if there is no character name defined and no state names defined,
// need to use the defined symbol character
// which is shared for the entire matrix.
if (symbolChar == null) {