How can I run the Subtotal function (or something similar) found under the Data Tool to SUMIF instead of just SUM.
I am trying to subtotal columns on a worksheet but I want the subtotals to ignore negatives and #VALUE! and only add positive numbers.
I want to do this in the same way that subtotal works under the DATA tool so that I do not have to retype the formula for each row that needs the SUMIF formula.
Thanks so much for any assistance that can be given.
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