good morning,
I have some SAS code to translate in R code and when I export data from Excel to R I have to read formula writed as follow

C604=(C181/S181)*(100-C182)*(100/85)

or

if C325=. then C740=(C346/C103)*100| else C740=(C346/C325)*100

I find some difficulties to write a good program to read and calculate these formulas
there are several kinds of formulas there are with conditional and without conditional
can you help me please?
thanks.


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