- case MEASURE_NOMINAL: return "variable-string-nominal";
- case MEASURE_ORDINAL: return "variable-string-ordinal";
- case MEASURE_SCALE: return "variable-string-scale";
+ case MEASURE_NOMINAL: return "measure-string-nominal";
+ case MEASURE_ORDINAL: return "measure-string-ordinal";
+ case MEASURE_SCALE: return "role-none";