Show the Metric without a criteria option

In some cases a user might want to just show a column without putting a parameter on it like greater than etc. For example I'd like to show 5 min volume and 5 min volume n cancles average as columns but not set any rules about them. Just want to show them on the table of results. A simple way to do this would to just to add 'Any' as an additional choice (in addition to greater than, less than, etc.; and if someone picks 'any' then no further criteria need to be set.