If I add these 2 lines in my function : Return(PositionFut) Return(PositionLme)
Then, once the function is ran, when I do a ls(), I still don't see these 2 objects. > -----Original Message----- > From: Uwe Ligges [mailto:lig...@statistik.tu-dortmund.de] > Sent: Tuesday, April 27, 2010 11:44 AM > To: arnaud Gaboury > Cc: r-help@r-project.org > Subject: Re: [R] save a data frame in environment > > Don't print them but return() them from your function position() within > a list. Then you will have a list of two data.frames for later usage > assigned to your list. > > > Uwe Ligges > > > On 27.04.2010 11:37, arnaud Gaboury wrote: > > Dear group, > > > > > > > > Here is my function : > > > > > > > > > > > > > > > > position<-function(x) > > > > { > > > > > > > > > > pose<- > read.csv2((paste(c("LSCPos",x,".csv"),collapse="")),dec=".",sep=",",as > > .is=T,h=T,skip=1)[,c(4,8,14,15)] > > > > pose$CREATED.DATE<-as.Date(pose$CREATED.DATE,"%d/%m/%y") > > > > futures<-pose[-grep("USD",pose[,1]),] > > > > > > colnames(futures)<- > c("CONTRAT","CREATED.DATE","QUANTITY","SETTLEMENT") > > > > lme<-pose[grep("USD",pose[,1]),] > > > > lme$DESCRIPTION<- gsub(" *(\\d+/\\d+/\\d+) *$", "", > lme$DESCRIPTION) > > > > library(plyr) > > > > PositionFut<-ddply(futures, c("CONTRAT","SETTLEMENT"), summarise, > > POSITION=sum(QUANTITY))[,c(1,3,2)] > > > > PositionLme<-unique(ddply(lme, c("DESCRIPTION"), summarise, > > > POSITION=sum(QUANITY),DATE=max(CREATED.DATE),SETTLEMENT=CLOSING.PRICE[C > REATE > > D.DATE == max(CREATED.DATE)]))[,-3] > > > > > > > > > > > > print(PositionFut) > > > > print(PositionLme) > > > > > > > > } > > > > > > > > As I'm totally new to this kind of sport, i.e. writing code, the code > is > > maybe ugly, but it does work. Now, one thing is missing. > > > > I want to have the 2 Dataframes "PositionFut"& "PositionLme" in my > > environment, as I will need them later for another function. If I do > a > > save(), it will be saved in my directory, but won't see it when I do > ls(), > > even if I do a get() before. What is the process to save these 2 > objects in > > order to access them later in another function? > > > > > > > > > > > > *************************** > > > > Arnaud Gaboury > > > > Mobile: +41 79 392 79 56 > > > > BBM: 255B488F > > > > *************************** > > > > > > > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.