Hi, i'm sure this is a simple one but... I can't figure it out.
I have a list of dates, these dates represent sales, as you can see there are duplicate dates, each individual date is a sale, so multiple sales on each day.
This data runs from 2011 - 2015, I want to group and graph the data month by month and show year by year, e.g. - http://peltiertech.com/wp-content/im...ydate_grp2.png
Why? I want to be able to compare historic sales each month for seasonality.
How would I do this? thanks in advance
Sales Made
16/05/11
16/05/11
17/05/11
17/05/11
17/05/11
18/05/11
19/05/11
19/05/11
19/05/11
19/05/11
19/05/11
20/05/11
20/05/11
20/05/11
20/05/11
20/05/11
20/05/11
23/05/11
23/05/11
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