subform | R Documentation |
Subtract one chemical formula from another
subform(formula1,formula2)
formula1 |
Chemical formula to subtract from |
formula2 |
Chemical formula to subtract |
Useful for adduct calculations, check adducts
.
Chemical formulas must conform to what is described in check_chemform
.
Prior check if formula2
is contained in formula2
at all? See check_ded
.
A unified and filtered peaklist
Martin Loos
adducts
,check_ded
formula1<-c("C10[13]C2H10Cl10") formula2<-c("C2H5[13]C1") subform(formula1,formula2)
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