Excel/Countif with Duplicate Removal
I was given a CSV file (already converted to Excel 2010) in which
Column A is a week in the year (1-52)
Column B is a company name
Column C is an identifier, which repeats relative to both column A and column B
Whole spreadsheet is ~15,000 lines
I'd like to create a table in a different tab in which column A (starting at A2) is 1 through 52, row 1 (starting on B1) is all the companies (I've removed duplicates and copy-pasted values transposed), but I can't figure out how to do a countif function that counts only unique values in column C from the original tab. Is that possible or can I use a match array to get the correct counts?
So you want to count how many unique identifiers there are for each company-week number combination.
How about sending me a copy of your workbook and I will see if I can come up with a formula for you. Before I recommend something, I would like to test it out to make sure it does what you want and has considered anything that could interfere with the calculation.
You can send to firstname.lastname@example.org
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