similar to: How to set user read request while R install

Hi , I want to know is this behavior expected and why is that ? Need some help gender <- c("F", "M", "M", "F", "F", "M", "F", "F") > age <- c(23, 25, 27, 29, 31, 33, 35, 37) > df<- data.frame(gender,age) > typeof(df[[1]]) [1] "integer"

Hi , I am running R from C using the interpreter . Now i execute detach("package:td", unload=TRUE) And I get the following error . Any idea what it means ? *** caught segfault *** address 0x102, cause 'memory not mapped' Traceback: 1: sys.parent() 2: sys.function(sys.parent()) 3: formals(sys.function(sys.parent())) 4: match.arg(event) 5: packageEvent(pkgname,

Hi , Is there any C API to the R API nrow of dataframe ? x<- data.frame() n<- nrow(x) print(n) 0 Example : My C function which deals with data frame looks like and I don't to send the number of rows of data frame .I want to detect it from the function itself, my function take data frame as argument and do some on it. I want API equivalent to nrow. I tried Rf_nrows,Rf_ncols . No

Hi , I am trying to call head function from C . My doubt is with the parameter n,how to pass it . PROTECT(dfm=lang3(install("data.frame"),df,ScalarLogical(FALSE))); SET_TAG(CDDR(dfm), install("stringsAsFactors")) ; SEXP res = PROTECT(eval(dfm,R_GlobalEnv)); PROTECT(head=lang3(install("head"),res,ScalarInteger(1))); head = PROTECT(eval(head,R_GlobalEnv)); I tried

Hi , I am asking too many questions , sorry for that . I am creating a data frame in C itself , reading a table . The data frame calling code looks like this ====================================== *PROTECT(dfm=lang2(install("data.frame"),df));* *SEXP res = PROTECT(eval(dfm,R_GlobalEnv));* UNPROTECT(2); return res; ================================== It works fine , now the problem

Hi , For our production package i need to create a dataframein C . So I wrote the following code SEXP dfm ,head,df , dfint , dfStr,lsnm; *SEXP valueVector[2];* char *ab[3] = {"aa","vv","gy"}; int sn[3] ={99,89,12}; char *listnames[2] = {"int","string"}; int i,j; //============================= PROTECT(df = allocVector(VECSXP,2));

Hi , I am using C interface of R . If a unicode string is read , in what format I could pass it back to R ? I was trying to use the following tpStr = ( char *)val; SET_STRING_ELT(innerList , 0, mkChar(tpStr)); It does not work . If I pass it back from as RAW format to R , what package is there to read it ? I mean package for interpreting RAW data . Thanks, Sandip [[alternative HTML

Hi , I am trying to create a dataframe in C and sebd it back to R. Can anyone point me to the part of the source code where it is doing , let me explain the problem I am having . -------------------------------------------------------------------- My simple implementation is like this SEXP formDF() { SEXP dfm ,df , dfint , dfStr,lsnm; char *ab[3] =

Hello All, I wanted to convert .html file into .pdf. is there any rails plugin ?? Thanks, Sandip R~ -- Ruby on Rails Developer http://sandip.sosblog.com http://funonrails.wordpress.com www.joshsoftware.com --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this

Hello All, I have will pagination links in index view which works fine. but when i performing some other action and replacing list view that time pagination links i am supposed to be for index action. but they are not......links goes to last performed action. You have any idea how to fix this problem ? NOTE: i am updating list after creation of resource record that time pagination links goes

Hi R-Developers , I am using R-3.1 , moved from R-2.15 . I am facing a problem which I have raised in R bug report with bug 15596 . My problem is how to check if R is initiated before initiating R I am embedding R in parallel environment and reusing process already running to reduce overhead . Each process is running infinitely. So when a process is reused,it finds R is already initialized

You have a nil object when you didn''t expect it! You might have expected an instance of Array. The error occurred while evaluating nil.<< any ideas ? Application works fine with rails 2.1.0 Sandip -- Ruby on Rails Developer http://funonrails.wordpress.com www.joshsoftware.com http://brandpotion.com (Latest project released) --~--~---------~--~----~------------~-------~--~----~

Hello all I am using acts_as_ferret in user model. Error Message: -------------- ActiveRecord::StatementInvalid: Mysql::Error: Lock wait timeout exceeded; try restarting transaction: UPDATE `users` SET `updated_at` = ''2009-12-28 14:31:50'', `active_till` = ''2009-12-28 14:31:50'' WHERE `id` = 21 Where: ------ calls#audit

Hi, FrameBuffer has the option "fbcon=rotate:1". Could a similar functionality be implemented in the video driver (VBE?) that is used by Syslinux? Is it legal to copy that code from the FBCon portion into the Syslinux video driver portion? If so, where should I start looking? Thanks for all your help. SS On Fri, May 15, 2020 at 7:15 AM Jane Todoroski <jane.todoroski at

Hi , I tried to do the following . Before I execute the R script , i tried to clear the work space using rm(list = ls(all = TRUE)); . I get the following back trace . Its a huge backtrace , attached a part of it . Can anyone help why I get this ? #13 0x00002aaaaafd612f in Rf_eval (e=0x1448d68, rho=0x16c6780) at eval.c:399 #14 0x00002aaaaafdabf6 in Rf_applyClosure (call=0x1447108, op=0x1448f60,

Hi All, Rails code must be readable, formatted and well indented. I wanted to do indent code in my previous projects. Is there any built in rails plugin/gem that can help me to indent my existing code. Any ideas will be really appreciated ! NOTE: Please don''t suggest editor plugins. Thanks & Regards, Sandip R~ -- Ruby on Rails Developer http://sandip.sosblog.com

Hello All, I am using rails paperclip plugin for image upload. my image has different styles and the original image gets cropped while processing styled image. I dont want image to be cropped. Is there any way ???????? Thanks, Sandip R~ --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails:

Hi, I've been setting ocfs2 up on a two node 'cluster', using gnbd (network block device) to talk to a shared disk on a third node. build/install was very straightforward and I have the file system mounted on both nodes just fine. However, I've been rather disappointed by the performance: With just one node actively using the fs (but with the other mounted) I'm finding that

Hi all, I am using rails v.2.3.2 and if I put following line to my ApplicationController: include LoginSystem and I moved my login_system.rb to lib folder: module LoginSystem protected def is_logged_in? @logged_in_user = User.find(session[:user]) if session[:user] end def logged_in_user return @logged_in_user if is_logged_in? end def logged_in_user=(user) if

What should I do if I need to train svm() with data having same value across all rows in some columns. These must be the important features of the class and we cant exclude these columns to build up models. The error I am getting is: Error in predict.svm(ret, xhold) : Model is empty! In addition: Warning message: In svm.default(datatrain, classtrain) : Variable(s) 'F112' and