Hello guys.
While the title might be a bit confusing, i will try to explain it better here.
I have a excel spreadsheet of about 10000 lines long. It's build up like this:
\1
There are, i guess, about three thousand different customers.
For every customer i have three rows. One with the data from 2010,
one with the data from 2011 and one if the data from 2012.
As you might be able to guess now, i want to merge them in a way so that
i have one row with the data for all the years instead of three rows.
I hope you get my point and that you can help me.
Thanks in advance,
Berry
(PS: I'm Dutch, so there might be a couple grammar mistakes. Sorry for that.)
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