Description Usage Arguments Value Note See Also
This function shifts the reference frame of an isotopic data object
that has a reference associated (currently only delta
values.
1 2 3 4 5 6 7 | shift_reference(iso, ref)
## S4 method for signature 'ANY,ANY'
shift_reference(iso, ref)
## S4 method for signature 'Delta,Delta'
shift_reference(iso, ref)
|
iso |
the isotope object whose reference frame to shift (delta) |
ref |
the isotope object which is relative to the new reference frame (delta) |
a delta value with the shifted reference
The function requires the reference of the first delta value to
the compound measured in the second delta value. This calculations is
also implemented with an arithmetic
shorthand. All calculatinos are
only permissible if the fractionation factors and isotope values have matching
attributes.
Other operations: fractionate
,
mass_balance
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