[amibroker] "Highest/Lowest value of the last n-bars" question

["kose_u" <umitkose@xxxxxxxxxxxxxxx>]

Hi,
I trying to have two additional values for each value any chart, which 
show for that bar of the chart "this bar has the largest value for last 
x bars and has the lowest value for the last y bars".
I remember once to see such a formulation in somewhere -may be in this 
list or in reference- but caanot remember where.
I would appreciate any help in case anybody solved such/similar problem 
with a code or remebers such a code/solution/articel anywhere?


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