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- HA (hectares),
- HD (heads),
- THS_HEADS (1000 heads),
- HIVE (hives),
- LSU (livestock units),
- EUR (euro),
- PLC (places),
- PERS (persons), or
- AWU (annual working units).
Examples include permanent crops (HA), plants harvested green (HA), pigs (LSU), live bovine animals (HD), poultry (THS_HD), total livestock units (LSU), family labour force (AWU), non-family labour force (PERS) or Laying hens (PLC).
...
- for total of continuous variables and some ratios, the system is based on the values of coefficients of variation:
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