search for: builtinsxp

Hello, For the BUILTINSXP and SPECIALSXP types, the R Internals page documents "An integer giving the offset into the table of primitives/.Internals. " What macro gives me the value of this integer? I guess something like this would work had R_USEINTERNALS been defined v->u.primsxp.offset (where v is a SEXP...

...) used (Mb) gc trigger (Mb) Ncells 701188 18.8 2683553 71.7 Vcells 1447712 11.1 8201413 62.6 > memory.profile() NILSXP SYMSXP LISTSXP CLOSXP ENVSXP PROMSXP LANGSXP 1 7228 244243 3949 495 773 113819 SPECIALSXP BUILTINSXP CHARSXP LGLSXP INTSXP 207 1177 283663 4661 0 0 49 REALSXP CPLXSXP STRSXP DOTSXP ANYSXP VECSXP EXPRSXP 13383 9 24870 0 0 2598 2 BCODESX...

Dear all, I have written a little R program to convert images. See below. Within the loop over j (the filenames) memory consumption grows constantly. rm( ... ) inside the loop did not help. Memory does not grow if I remove the writeBin statements between the two #-------- marks. But obviously this is not solution I want... Thanks for any advice. Manfred Baumstark P.S. As I'm new to R:

...ng ------------- --- gc() returns: used (Mb) gc trigger (Mb) Ncells 254150 6.8 467875 12.5 Vcells 408499 3.2 886807 6.8 --- memory.profile() returns: NilSXP SymSXP ListSXP CloSXP EnvSXP PromSXP LangSXP SpecialSXP 1 4919 128880 1440 13 18 63607 59 BUILTINSXP CHARSXP LGLSXP - - INTSXP REALSXP CPLXSXP STRSXP 513 37178 1712 0 0 237 9047 8 10201 DOTSXP ANYSXP VECSXP EXPRSXP - EXTPTRSXP WEAKREFSXP 1 0 341 2 0 0 0 ---------------- Just before the crash ------------ --- gc() returns:...

...16794 585.4 305954055 2334.3 ... > mem.limits() nsize vsize NA NA > object.size(Data) [1] 608355664 > memory.profile() NILSXP SYMSXP LISTSXP CLOSXP ENVSXP PROMSXP LANGSXP 1 30484 372383 4845 420 180 127274 SPECIALSXP BUILTINSXP CHARSXP LGLSXP INTSXP 203 1168 111430 5296 0 0 44650 REALSXP CPLXSXP STRSXP DOTSXP ANYSXP VECSXP EXPRSXP 13382 9 60170 0 0 26003 0 BCODESXP E...

...ls 797983 21.4 1710298 45.7 Vcells 76716811 585.4 305954068 2334.3 > object.size(Data) [1] 608355664 > memory.profile() NILSXP SYMSXP LISTSXP CLOSXP ENVSXP PROMSXP LANGSXP 1 30484 372373 4845 420 180 127274 SPECIALSXP BUILTINSXP CHARSXP LGLSXP INTSXP 203 1168 111434 5296 0 0 44649 REALSXP CPLXSXP STRSXP DOTSXP ANYSXP VECSXP EXPRSXP 13382 9 60173 0 0 26002 0 BCODESXP E...

Hi, In Rcpp, we now have a "Function" class to encapsulate functions (they cover all three kinds, but this may change). To call the function, what we do is generate a call with the function as the first node and then evaluate the call. SEXP stats = PROTECT( R_FindNamespace( mkString( "stats") ) ); SEXP rnorm = PROTECT( findVarInFrame( stats, install( "rnorm") ) )

I was debugging a problem reported to me regarding PL/R, and found that I can duplicate it using only R sources. It might be characterized as possibly a misuse of the findFun() function, but I leave that for the R devel experts to decide. The below results are all with R-2.5.1 (I can't seem to download r-patched at the moment, but didn't see anything in the 2.5.1-patched release

...rigger (Mb) limit (Mb) Ncells 554338 14.9 565000 15.1 16.1 Vcells 467858 3.6 1310720 10.0 20.0 > memory.profile() NILSXP SYMSXP LISTSXP CLOSXP ENVSXP PROMSXP LANGSXP 1 5031 264110 1401 16047 0 60670 SPECIALSXP BUILTINSXP CHARSXP LGLSXP INTSXP 59 503 29179 1682 0 0 24 REALSXP CPLXSXP STRSXP DOTSXP ANYSXP VECSXP EXPRSXP 135616 8 23982 0 0 16053 0 EX...

Hi, Starting with ordinary vectors, so we know what to expect: > mapply(function(x, y) {x * y}, 101:106, rep(1:3, 2)) [1] 101 204 309 104 210 318 > mapply(function(x, y) {x * y}, 101:106, 1:3) [1] 101 204 309 104 210 318 Now with an S4 object: setClass("A", representation(aa="integer")) a <- new("A", aa=101:106) > length(a)

Currently, I load the RData file then ls() and str(). But loading the file takes too long if the file is big. Most of the time, I only interested what the variables are in the the file and the attributes of the variables (like if it is a data.frame, matrix, what are the colnames/rownames, etc.) I'm wondering if there is any facility in R to help me avoid loading the whole file.

Thank you for your reply Jiefei. I think in theory your solution should work. I'll have to give them a try. On Mon, 4 Nov 2019 23:41 Wang Jiefei, <szwjf08 at gmail.com> wrote: > Hi Morgan, > > My solutions might not be the best one(I believe it's not), but it should > work for your question. > > 1. Have you considered Rf_duplicate function? If you want to change

...' undeclared here (not in a function) RS-DBI.c:1270: error: 'PROMSXP' undeclared here (not in a function) RS-DBI.c:1271: error: 'LANGSXP' undeclared here (not in a function) RS-DBI.c:1272: error: 'SPECIALSXP' undeclared here (not in a function) RS-DBI.c:1273: error: 'BUILTINSXP' undeclared here (not in a function) RS-DBI.c:1274: error: 'CHARSXP' undeclared here (not in a function) RS-DBI.c:1275: error: 'LGLSXP' undeclared here (not in a function) RS-DBI.c:1276: error: 'INTSXP' undeclared here (not in a function) RS-DBI.c:1277: error: 'REALS...

...ctor VECSXP | Rcpp::List EXPRSXP | Rcpp::ExpressionVector ---------------------------------------------------------- ENVSXP | Rcpp::Environment SYMSXP | Rcpp::Symbol ---------------------------------------------------------- CLOSXP | BUILTINSXP | Rcpp::Function SPECIALSXP | ---------------------------------------------------------- LANGSXP | Rcpp::Language LISTSXP | Rcpp::Pairlist ---------------------------------------------------------- S4SXP | Rcpp::S4 --------------------------...

...ctor VECSXP | Rcpp::List EXPRSXP | Rcpp::ExpressionVector ---------------------------------------------------------- ENVSXP | Rcpp::Environment SYMSXP | Rcpp::Symbol ---------------------------------------------------------- CLOSXP | BUILTINSXP | Rcpp::Function SPECIALSXP | ---------------------------------------------------------- LANGSXP | Rcpp::Language LISTSXP | Rcpp::Pairlist ---------------------------------------------------------- S4SXP | Rcpp::S4 --------------------------...