Hippl,
I'm interested in calculating the median of a set of numbers. The algorithm requires that all values are known in
advance(ie stored in an array). So the question is: how can I store everything first in an array so I can later process
itgiven that I'd like this to be an aggregate function. I thought of creating an aggregate function and have the
state_function()gather all the values of a group in an array and the final_function() to do the actuall median
calculationon this array. But the intermmediate state cannot hold multiple values in an array (can it?)
Any ideas on how to go with this?
TIA,
thalis