Thanks Vincent, do.call works! All the best, Javier Vincent Carey escribi?: > use "get" > > e.g., if "myexpresso" is the string naming a function then > get("myexpresso") evaluates to the function and > get("myexpresso")(...) is valid R applying that function to ... > > do.call("myexpresso", list(...)) is also relevant > > [note that i have not followed your whole correspondence ... but for > the question posed in this email, get() is your solution] > > 2010/2/6 Javier P?rez Florido <jpflorido at="" gmail.com="">: > >> Thanks Wolfgang and Arunava, >> >> What I would like to do is the following: >> I have the following character vector: >> functionsUsed=c("myexpresso","mythreestep","myvsnrma","myl.farms"," myjustPlier","mymmgmos","myexp.farms","myrma","mymas5","myq.farms") >> >> For each component in this vector, I have a function defined: >> myexpresso<-function(rawData,<otherarguments>), >> mythreestep<-function(rawData,<otherarguments>), etc >> >> From a file, I read a 'listOfFunctions' character vector of unknown length. >> This vector contains names like the ones given in functionsUsed vector: >> "myexpresso", "myvsnrma", etc.... Let's say, >> listOfFunctions=c("mythreestep","myvsnrma","mythreestep","mymas5"," myexpresso","myexpresso") >> >> I would like to call the functions related to this vector: >> >> for(i in 1:length(listOfFunctions) >> { >> currentFunction=listOfFunctions[i]: >> eset<-currentFunction(rawData,<otherarguments>) >> } >> >> The problem is that currentFunction is a character string, not a function >> and I cannot convert this character string to an object of function class. >> >> I can proceed with if/then/else blocks, but I think there must be a smart >> way to do this. >> >> Thanks again, >> Javier >> >> >> >> >> Wolfgang Huber escribi?: >> >>> Dear Javier >>> >>> Functions in R are just variables like everyone else, so you can simply >>> write: >>> handleFunction=function1 or >>> handleFunction=function2 etc. >>> >>> Have a look into the book by Robert Gentleman >>> http://www.bioconductor.org/pub/RBioinf >>> or the online introduction to R >>> http://cran.r-project.org/doc/manuals/R-intro.html >>> esp. chapter 10. This might save you a lot of time. >>> >>> Best wishes >>> Wolfgang >>> >>> Javier P?rez Florido wrote: >>> >>>> Dear list, >>>> Is there any way to use function handle in R? I would like to do >>>> something like this (is written in MATLAB) >>>> >>>> handleFunction=@function1; >>>> handleFunction(arguments) # MATLAB knows that handleFunction is related >>>> to function1 >>>> >>>> Thus, handleFunction can be any function, for example: >>>> handleFunction=@function1 or handleFunction=@function2 or >>>> handleFunction=@function3, etc >>>> >>>> the function call is always the same >>>> handleFunction(arguments) >>>> >>>> Any ideas? >>>> Thanks, >>>> Javier >>>> >>>> _______________________________________________ >>>> Bioconductor mailing list >>>> Bioconductor at stat.math.ethz.ch >>>> https://stat.ethz.ch/mailman/listinfo/bioconductor >>>> Search the archives: >>>> http://news.gmane.org/gmane.science.biology.informatics.conductor >>>> >> _______________________________________________ >> Bioconductor mailing list >> Bioconductor at stat.math.ethz.ch >> https://stat.ethz.ch/mailman/listinfo/bioconductor >> Search the archives: >> http://news.gmane.org/gmane.science.biology.informatics.conductor >> >> > >