similar to: A good way to debug a c++ library embedded to R code

----- Original Message ----- > From: "Gabriel Becker" <gmbecker at ucdavis.edu> > To: "Charles Novaes de Santana" <charles.santana at gmail.com> > Cc: "r-devel" <r-devel at r-project.org> > Sent: Monday, February 2, 2015 12:02:27 PM > Subject: Re: [Rd] A good way to debug a c++ library embedded to R code > > Charles, > >

Dear all, Happy New Year for all of you! I hope we have an year of essential freedom for everyone! I am trying to manipulate a matrix in order to know in which column and in which row a number is allocated. But, when we use the function "which" it returns the position of the number in the "vector representation of the matrix". For example: >

Dear all, I need to access data from a large matrix (48000 x 48000) and to do it I am trying to run two loops using "for" command. Surely it is been a very slow job. I heard that "for" is not the best option to perform large loops in R, but I don't really know what would be the best (fast) option. sapply? vapply? Could anyone help me with this issue, please? Thank you

Dear all, I have a time series of data that I would like to represent in a plot. But I am facing some problems to do it because the time is represented in "hours", it can start in one day and end in another day, and it is not regularly spaced. My problem is that when I plot my data, my X-axis always starts from the lower values of my time data. For example, I would like to plot data

Hi everyone, I am a newbie in R and in this discussion list. I am trying to use R package "ncdf" to read values of temperature from a NCDF file. I did it before to another file using the function "get.var.ncdf", but now there is an error that I can not solve, and I would really appreciate if you could help me. I am using R version 2.11.1 (2010-05-31) in a machine with Linux

how can rewrite the App # process_message to treat the messages of the system? wxruby -- Posted via http://www.ruby-forum.com/.

Hi, I'm trying to use pipes in R. By now, I could launch the linux command "wc" (to count words from a text), but I don't know how to capture the results, say in a vector of chars... Here is the R code I'm trying: :> f <- pipe("wc", open="w") :> writeLines(c("uno dos tres", "cuatro cinco", "seis"), f) :> close(f)

This is a maintenance release to fix a bug triggered while working with Ruby on Rails and Informix. Web site: http://ruby-informix.rubyforge.org Changelog: 0.6.1 13/10/2007 ------------------ Bugs fixed: * Database#columns was returning an empty array from within the Informix ActiveRecord adapter (ActiveRecord::ConnectionAdapters::InformixAdapter#columns) if

Hi, Could you please advice some easy way to do the following for a dataframe (header=F) having unequal column- & row- length. 1. Combine/stack/join contents from - a) multiple rows into one column. b) multiple columns into one row. 2. Stack contents from multiple columns (or, rows) into one column (or, row). Thank you. Cheers, Santana [[alternative HTML

FWIW, I''ve wrote puppet-cleaner to help me make comply thousands of lines of puppet 2.6 DSL code to puppet 2.7 style guide and expectations. I''m uploading it to github today for anyone to use. https://github.com/santana/puppet-cleaner Externally, you run puppet-clean file.pp and it can transform this: /* multiline comment trailing white space here -> */ class

After a lot of different problems and variations of krb5.conf and samba.conf files I am currently stuck with the following error trying to join a domain net ads join -U nfybw@UIB.NO 'Klienter\IT\MatNat\IFT\Samba Servers\IT-gruppen' nfybw@UIB.NO's password: [2004/12/02 15:34:36, 0] libads/ldap.c:ads_add_machine_acct(1367) ads_add_machine_acct: Host account for iftsmb100 already

Howdy, I tend to try out many open source apps/packages - games, editors to media tools. I have a bad habit of downloading and extracting source in the /var/tmp directory and then doing configure-make-install process. I am not sure of best practice (good practices) to be followed when installing any software. For example how and where to keep the src. Any comments and/or resources would be really

Hi, I need to maintain a same user/group list on multiples systems. Can we just copy the same passwd and groups file on all machines? If we create a new user on one system then I will need to copy this to all other systems. This is quite cumbersome. Any suggestions? - CS.

Howdy, I am having time-drift issues on my CentOS VM. I had referred to following documentation: http://wiki.centos.org/TipsAndTricks/VMWare_Server , however it didn't help. I used kickstart for creating this VM and I am listing important steps in ref to timekeeping issue. Any comments or suggestion would be appreciated. - CS. ------------------- # For EL5 virtual machines, Append the

I am getting following error while creating a new topic using RESTful design. But, everything works fine when I use <% form_tag :action => :create do %> . ActionView::TemplateError (undefined method `symbol_path'' for #<ActionView::Base:0xb72a2e40>) on line #3 of topics/new.rhtml: 1: <h1>New Topic</h1> 2: 3: <% form_tag :topic, :url => topics_path do %>

Hi, I would like to give read-only access to mysql and apache-http server log files to a non-root user. I can modify group or other permissions. But is there any other way you can suggest? Can I update it in user's home dir? -- CS.

Hello. I want to write my notes in Sweave in my own language (spanish). But my language has accents and when I run Sweave in R to translate my Snw file into the tex file the accents are translated into unrecognizable characters. For example, the word "cami?n" (truck) is translated into "cami??n" Somebody knows how can I do it? One solution I don't like is using a

Hi, is geoRSS overlay supported with openstreetmap ? I can''t get it to work. Google maps georss http://blogs.intermedia.uib.no/motel/experiments/bergenGeoRSS.html Openstreetmap georss http://blogs.intermedia.uib.no/motel/experiments/bergenOSMGeoRSS.html As you can see, nothing shows in the openstreetmap example. Regards -- Rune Baggetun

I wonder if there exists some kind of inverse of the "names" primitive in R. Let me explain what do I mean: If I create a list: -> li <- list(a=1, b=2, c=3, d=4) then I can have: -> names(li) [1] "a" "b" "c" "d" which is, I guess, some kind of vector, since -> typeof(names(li)) [1] "character" however, I haven't

I am perfectly aware that this question is not an R question, at least not yet, but I have not succeeded in finding what I want in other ways, so ... What I am looking for are two algorithms, preferabley in Pascal, but other languages may do. For (a) systematic (complete) permutations for grouped data with unequal group sizes, and (b) random permutations for the same kind of data. I know