The document discusses different methods for analyzing workforce wastage and turnover, including wastage analysis, cohort analysis, census analysis, and skills inventories. Wastage analysis examines factors like voluntary retirement, resignations, and dismissals over time. Cohort analysis considers length of service and studies homogeneous groups. Census analysis takes a cross-section of the organization to identify general wastage patterns. Skills inventories maintain individual employee data to help identify candidates qualified for future assignments.