String function ( ) { return this . key ; }
get the key text describing the statistic concode_field_sep String units concode_elem_sep String reference concode_elem_sep String key concode_elem_sep int value concode_field_sep int getValue concode_elem_sep void setReference concode_elem_sep String getUnits concode_elem_sep int compareTo concode_elem_sep void setUnits concode_elem_sep String getReference concode_elem_sep void setKey