Is your feature request related to a problem? Please describe.
Need to be able to calculate derived variables based on bias-corrected variables. Same idea as a secondary variables added in #63 , just using different inputs.
Additional context
Cut and paste of secondary variables code. Only really makes sense though once we have solved #58
Is your feature request related to a problem? Please describe. Need to be able to calculate derived variables based on bias-corrected variables. Same idea as a secondary variables added in #63 , just using different inputs.
Additional context Cut and paste of secondary variables code. Only really makes sense though once we have solved #58