Hi, On Mon, Aug 30, 2010 at 9:17 PM, 나여나 <dllm...@hanmail.net> wrote: > > Hi, All > > I have a problem of R memory space. > > I am getting "Error: cannot allocate vector of size 198.4 Mb"
It's a RAM thing: you don't have enough. The OS said "nice try" when R tried asked for that last 198.4 MB's of RAM chunk of RAM. This question comes up quite often. Read through some of these if your still confused: http://search.gmane.org/search.php?group=gmane.comp.lang.r.general&query=cannot+allocate+vector+of+size -steve > > > ------------------------------ > I've tried with: > > memory.limit(size=2047); > [1] 2047 > > memory.size(max=TRUE); > [1] 12.75 > > > library('RODBC'); > > Channel<-odbcConnectAccess('c:/test.MDB'); # inputdata:15 cols, 2000000 > rows, 173 MB > > x<-sqlFetch(Channel,'data1'); > > odbcCloseAll(); > > > gc(TRUE) > Garbage collection 69 = 2+2+65 (level 2) ... > 3.6 Mbytes of cons cells used (38%) > 183.8 Mbytes of vectors used (36%) > used (Mb) gc trigger (Mb) max used (Mb) > Ncells 134456 3.6 350000 9.4 350000 9.4 > Vcells 24082306 183.8 67102875 512.0 78179534 596.5 > > memory.size() > [1] 192.16 > > > NROW(x) > [1] 2000000 > > > x > > YEAR MONTH ACT_AMT T M_WEIGHT ACT_AMTSUM GROWTH COMPCNT COMPCV > MODLCNT MODLCV FLAG_1 FLAG_2 PRICE HIGHEND_AMT > 1 2002 1 511997 1 0.01563573 32745313 1.0000000 2 > 132.41674 13 170.54307 1 0 11906.91 0.2871111 > 2 2002 2 2254900 2 0.06886176 32745313 1.0000000 2 > 113.06057 17 176.79751 0 0 35232.81 0.4922613 > > .... > > > > hbnreg<-function(data,option) > + { > + for(i in 1:NROW(option)) { > + nam<-paste(substring(option[i],1,nchar(option[i])-2)) > + if(substring(option[i],nchar(option[i]))=='T') assign(nam,TRUE) > + else assign(nam,FALSE) > + } > + > x<-lm("ACT_AMT~T+M_WEIGHT+ACT_AMTSUM+GROWTH+COMPCNT+COMPCV+MODLCNT+MODLCV+FL > AG_1+FLAG_2+PRICE+HIGHEND_AMT",data=data) > + y=list() > + if(summary==TRUE){ > + z<-summary(x) > + y$coefficients<-z$coefficients > + y$residuals<-z$residuals > + } > + #if(influence==TRUE){ > + #z<-influence(x) > + #y$hat<-z$hat > + } > + > + y > + } > > > y<-hbnreg(x,c('summary=T','influence=T')); > Error:cannot allocate vector of size 198.4 Mb <---- error > > ------------------------------------- > my work enviroment : > > > version _ > platform i386-pc-mingw32 > arch i386 > os mingw32 > system i386, mingw32 > status > major 2 > minor 11.1 > year 2010 > month 05 > day 31 > svn rev 52157 > language R > version.string R version 2.11.1 (2010-05-31) > > - PC OS : 32bit WinXP pro sp3 > - PC RAM : 1 GB > - Virtual memory : 1524 MB > > ---------------------------------- > > Could it be an hardware problem? > > > Thanks and best regards. > > > Young-Ju, Park > from Korea > > [1][rKWLzcpt.zNp8gmPEwGJCA00] > > [...@from=dllmain&rcpt=r%2Dhelp%40r%2Dproject%2Eorg&msgid=%3C20100831101740%2EH > M%2E0000000000000do%40dllmain%2Ewwl737%2Ehanmail%2Enet%3E] > > References > > 1. mailto:dllm...@hanmail.net > ______________________________________________ > 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. > -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact ______________________________________________ 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.
