Hidding Columns in Reports to produc more complex Calculations
When creating Reports and using the "Create Metric" to produce a %age I want to combine M2 and M3 as a Sum then get a %age between the "result" and M1 (see Screen Shot) I dont need the Column to show but I need the column "in" the report so aI can produce the Ratio "M5"
If we are given the ability to hide columns this will mean that customers can produce complex custom reports and Metric's without having to ask for "Custom" metrics be produced by the RC Dev Team or ask for "embebbed" metrics to be an option.

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Ben commented
If you look at Metrics In Column, it would be really good to have the checkbox "visible" there, this way, it's part of the build process and as @Gareth said, we can do a lot of nested complex calculations across various parameters.