Please post this .twbx file.
I somehow stumbled onto the answer creating an example workbook to share, but still don't know why it works like that.
Apparently the issue is that I didn't have a date field in the column row like I do in the bottom 2 graphs.
Do you know why not having a date field in the column wouldn't allow any graph to collapse? I tested it with the bubble chart and it works as well.
collapse.twbx 385.5 KB
Unless you're really attached to the "bouncing graphs," why not create one graph, with the parameter controlling the dimension that is displayed?
IF [Parameters].[YTD/MTD]="YTD" then DATEPART('year', [Order Date])
ELSE DATEPART('month', [Order Date])
I'm not exactly sure if this will suit your needs, but it may be something to think about.
Thanks for your advice Michael, I will keep that in mind going forward. For my specific needs I needed to use 2 separate graphs because each one needs a different filter attached to it.