Hi Steve, unfortunately this isn’t possible. In the dashboard filter configuration options (Mode = Hidden), we do not support further config options which we can apply, such as conditional statements (For example - if count of options is 1, don’t show it) which would then make the dashboard filters appear / hide the filters based on the values in the filters themselves. I’m sorry that I cannot provide you with a better solution at this time. But I would like to recommend you follow our Product Updates below to keep up to date of the new features being rolled out on GD Cloud:
https://community.gooddata.com/product-updates