Bertie,

You need to embed your filtering criteria within the TRIMMEAN function using an IF statement, along
the lines of:

=TRIMMEAN(IF(B1:B15="A",A1:A15,""),20%)

HTH,
Bernie
MS Excel MVP


"claytorm" wrote in message
...

Hi,

I want to apply TRIMEAN to a filtered data set. TRIMEAN ignores a set
percentage of outliers. I am currently using AVERAGE embedded in
SUBTOTAL, but there is no option to embed TRIMEAN within SUBTOTAL. Any
suggestions on how I could find a solution to this?

Bertie


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