Here is a way of putting "Order" on your data:
> x
V1 V2 V3 V4 V5
1 1 12345678 Soc101 34 02-04-2003
2 2 12345678 Soc101 62 31-11-2004
3 3 12345678 Psy104 63 03-05-2003
4 4 23456789 Soc101 73 02-04-2003
5 5 23456789 Psy104 76 25-02-2004
> x$order <- ave(x$V1, x$V2, x$V3, FU
Hi all,
I've found a lot of helpful info regarding identifying and deleting duplicates
but I'd like to do something a little different - I'd like to identify the
duplicate values but instead of deletion, label them with a value.
I am working with historical data regarding school courses:
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