Just create a new column, in my example I call it Year Bin. Use the formula:
If(
:Year < 2010, "2005-2009",
:Year < 2015, "2010-2014",
:Year < 2020, "2015-2019",
:Year < 2025, "2020-2025"
)
![yb1.PNG yb1.PNG](https://community.jmp.com/t5/image/serverpage/image-id/32359i0C2537E55DA42DBC/image-size/large?v=v2&px=999)
Which yields the following graph with the year bins as defined in the formula
![yb2.PNG yb2.PNG](https://community.jmp.com/t5/image/serverpage/image-id/32360i55CFA6B8BDF2199E/image-size/large?v=v2&px=999)
Jim