This function returns a data.frame with the default rules for metabolic logic, which can be used by
generateTPsLogic and genFormulaTPLibrary.
TPLogicTransformations()A data.frame with columns describing each transformation rule.
The table is based on the work done by Schollee et al. (see references).
Schollee JE, Schymanski EL, Avak SE, Loos M, Hollender J (2015). “Prioritizing Unknown Transformation Products from Biologically-Treated Wastewater Using High-Resolution Mass Spectrometry, Multivariate Statistics, and Metabolic Logic.” Analytical Chemistry, 87(24), 12121–12129. doi:10.1021/acs.analchem.5b02905 .