grouping pooled data
Posted: Tue Apr 29, 2014 10:21 pm
How are the identifiers in a pooled system grouped?
suppose water consumption of 48 states which are included in 9 region. Is there any command by which the water consumption of the related states, situated in a region, are summed, or they should be summed one by one?
Is "@group" useful?
suppose water consumption of 48 states which are included in 9 region. Is there any command by which the water consumption of the related states, situated in a region, are summed, or they should be summed one by one?
Is "@group" useful?