it returns the number of projections included in this pseudosequence concode_field_sep Sequence sequence concode_elem_sep List<Integer> firstItemset concode_elem_sep List<Integer> firstItem concode_elem_sep List<Long> timeShift concode_field_sep boolean isFirstItemset concode_elem_sep Item getItemAtInItemsetAt concode_elem_sep long getAbsoluteTimeStamp concode_elem_sep int getFirstItemset concode_elem_sep int length concode_elem_sep Itemset getItemset concode_elem_sep int getId concode_elem_sep long getRelativeTimeStamp concode_elem_sep int getBeginningOfItemset concode_elem_sep long getTimeShift concode_elem_sep void addProjectionPoint concode_elem_sep long getTimeStamp concode_elem_sep int size concode_elem_sep boolean isPostfix concode_elem_sep int getSizeOfItemsetAt concode_elem_sep String toString concode_elem_sep int indexOf
int function ( ) { return firstItemset . size ( ) ; }