Nothing
## ---- eval=FALSE--------------------------------------------------------------
#
# # Bioconductor Packages. Use BiocManager::install()
# # Rdisop MetaboCoreUtils ChemmineR ChemmineOB enviPat
#
# library(plyr)
# library(CHNOSZ)
# library(enviPat)
# library(MetaboCoreUtils)
# library(rcdk)
# library(ChemmineR)
# library(OrgMassSpecR)
# library(Rdisop)
# #library(ChemmineOB)
#
# data(isotopes)
#
# # original
# # https://github.com/CDK-R/cdkr/blob/master/rcdk/R/formula.R
# # get.formula <- function(mf, charge=0) {
# #
# # manipulator <- get("mfManipulator", envir = .rcdk.GlobalEnv)
# # if(!is.character(mf)) {
# # stop("Must supply a Formula string");
# # }else{
# # dcob <- .cdkFormula.createChemObject()
# # molecularformula <- .cdkFormula.createFormulaObject()
# # molecularFormula <- .jcall(manipulator,
# # "Lorg/openscience/cdk/interfaces/IMolecularFormula;",
# # "getMolecularFormula",
# # mf,
# # .jcast(molecularformula,.IMolecularFormula),
# # TRUE);
# # }
# #
# # D <- new(J("java/lang/Integer"), as.integer(charge))
# # .jcall(molecularFormula,"V","setCharge",D);
# # object <- .cdkFormula.createObject(.jcast(molecularFormula,.IMolecularFormula));
# # return(object);
# # }
#
#
# mfManipulator <- J("org/openscience/cdk/tools/manipulator/MolecularFormulaManipulator")
# silentchemobject <- J("org.openscience.cdk.silent.SilentChemObjectBuilder")
#
#
# #' Rewrite the formual object and directly access Java
# #'
# get.formula2 <- function(mf) {
#
# formula <- mfManipulator$getMolecularFormula(
# "C2H3",
# silentchemobject$getInstance())
#
# mfManipulator$getMass(formula)
#
# }
#
# #' Add type hints
# #'
# get.formula3 <- function(mf) {
# builderinstance <- .jcall(
# silentchemobject,
# "Lorg/openscience/cdk/interfaces/IChemObjectBuilder;",
# "getInstance")
#
# formula <- .jcall(
# mfManipulator,
# "Lorg/openscience/cdk/interfaces/IMolecularFormula;",
# "getMolecularFormula",
# mf,
# builderinstance);
#
# mfManipulator$getMass(formula)
#
# }
#
#
# #' Add type hints
# #'
# get.formula4 <- function(mf) {
# builderinstance <- .jcall(
# silentchemobject,
# "Lorg/openscience/cdk/interfaces/IChemObjectBuilder;",
# "getInstance")
#
# formula <- .jcall(
# mfManipulator,
# "Lorg/openscience/cdk/interfaces/IMolecularFormula;",
# "getMolecularFormula",
# mf,
# builderinstance);
#
# .jcall(
# mfManipulator,
# "D",
# "getMass",
# formula)
# }
#
#
#
# benchmark <- microbenchmark::microbenchmark(
# MetaboCoreUtils = MetaboCoreUtils::calculateMass("C2H6O"),
# rcdk = rcdk::get.formula("C2H6O", charge = 0)@mass,
# rcdk2 = get.formula2("C2H6O"),
# rcdk3 = get.formula3("C2H6O"),
# rcdk4 = get.formula4("C2H6O"),
# Rdisop = Rdisop::getMolecule("C2H6O")$exactmass,
# ChemmineR = ChemmineR::exactMassOB(ChemmineR::smiles2sdf("CCO")),
# OrgMassSpecR = OrgMassSpecR::MonoisotopicMass(formula = OrgMassSpecR::ListFormula("C2H6O)"), charge = 0),
#
# CHNOSZ = CHNOSZ::mass("C2H6O"),
# enviPat = enviPat::isopattern(isotopes, "C2H6O", charge=FALSE, verbose=FALSE)[[1]][1,1]
# , times=1000L)
#
#
# masses <- c(
# MetaboCoreUtils=MetaboCoreUtils::calculateMass("C2H6O"),
# rcdk=rcdk::get.formula("C2H6O", charge = 0)@mass,
# Rdisop=Rdisop::getMolecule("C2H6O")$exactmass,
# #ChemmineR=ChemmineR::exactMassOB(ChemmineR::smiles2sdf("CCO")),
# OrgMassSpecR=OrgMassSpecR::MonoisotopicMass(formula = OrgMassSpecR::ListFormula("C2H6O)"), charge = 0),
# CHNOSZ=CHNOSZ::mass("C2H6O"),
# enviPat=enviPat::isopattern(isotopes, "C2H6O", charge=FALSE, verbose=FALSE)[[1]][1,1]
# )
#
# options(digits=10)
# t(t(sort(masses)))
# summary(benchmark)[order(summary(benchmark)[,"median"]) , ]
# clipr::write_clip(as.data.frame(summary(benchmark)[order(summary(benchmark)[,"median"]) , ] ))
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