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Buenas, estoy intentando hacer una especie de pivot tables con data.table pero no logro que me salga. Este código refleja un poco lo que quiero library(data.table) set.seed(1234) DT <- data.table(x=rep(c(1,2,3),each=30), y=letters[sample(1:3,30,replace = T,)], v=sample(1:100,30)) out <- DT[,list(N=.N),by=list(x,y)] Eso genera una salida como esta:

I'm running a Samba 3.0.0 server in production in security = ADS mode against a W2k ADS server. Works just fine, thanks! We're sort of under pressure to regrade to a 2003 AD server, which sent me trying stuff out a bit. Meager results. The 3.0.0 I have (linked with MIT krb5-1.2.8) refuses to verify incoming tickets: [2003/10/28 16:27:36, 3]

Buenas noches, Escribo este mail porque tengo un problema con rmarkdown, estoy creando un informe y me iba bien al generarlo como pdf, de repente me sale el siguiente error y no sé como solucionarlo: pandoc.exe: Error producing PDF from TeX sourceError: pandoc document conversion failed with error 43Además: Warning message:comando ejecutado '"C:/Program

Karanbir, No one should ever have to go through that. I am sorry to hear that someone has done that evil deed to you. May they be forgiven, but know the pain that they have caused you and repent of their sins. And if there's something I can do to help, please let me know. ******************************************************************************* Gilbert Sebenste

Buenas a todos. Desde hace un tiempo estoy tratando de aplicar las funciones de la familia *pply en todo lo que puedo, pero todavía no es algo que me surja tan rápidamente o naturalmente al momento de los loops como usar for(). Conozco las ventajas de usar estas funciones y por eso mi intento de hacerme de ellas. Por ejemplo en este problema: data=matrix(rnorm(100*20),20,100)

Muchas gracias, pensaba hacerlo en una sola línea pero no anda. Me quedo con dcast así no tengo que cargar más paquetes. Un abrazo! Fernando Macedo El 03/09/16 a las 14:26, Carlos J. Gil Bellosta escribió: > reshape2 + dcast > > El día 3 de septiembre de 2016, 19:23, Fernando Macedo > <fermace en gmail.com> escribió: >> Buenas, estoy intentando hacer una especie de pivot

Hola Jorge, muchas gracias por tu pronta respuesta, no me di cuenta que el formateo podría causar problemas, envío de nuevo el código sin formatos. La idea básica es para un set de números de columnas (desordenados) y un set de numeros de fila el loop lo que hace es ir a la fila y columna correspondiente de data, tomar el valor y luego hacer la media sobre esos.

http://idisk.mac.com/jdeleeuw-Public/utilities/apl/apl.R Dedicated to the IBM 2741. Implemented for general multidimensional arrays: drop, take, reshape, shape, rank, select, generalized inner product, generalized outer product, representation, base value, join, expand, reduce, scan, member of, ravel, compress, tranpose, rotate Basically, the APL-I part is complete, and after some testing

Something happened over the weekend power-related on my VMware test server, and when I came back and restarted my VMware server box (running CentOS), I got the following message: "VMware Server is installed, but it has not been (correctly) configured for the running kernel. To (re-)configure it, invoke the following command: /usr/bin/vmware-config.pl." I ran that .pl script, answered

I currently have a directory with several subdirectories that are shared through samba. Each subdirectory is only writeable by a group assigned to that subdirectory. How do I share the main directory so that the share definitions of each subdirectory is not broken, specifically the create mode? What I have so far, is the main directory is being mapped to a drive letter in Windows, so that

Muchas gracias a ambos Carlos y Jorge por las respuestas. Pido disculpas en la demora de respuesta, pero estuvo complicada la semana. La pregunta era un ejercicio de ejemplo para poder entender mejor los usos, creo que me armaré una guía en markdown con ejemplos varios para ir consultando cuando me salgan dudas de como usarlos. En realidad no importaba tanto si mejorara demasiado los tiempos

Smtp1.song.fi and smtp2.song.fi, our list servers, seem to have gotten listed in the bl.spamcop.net RBL. Spamcop listings are temporary and will time out, and because of occasional major false positives (or perhaps collateral damage?) like this I don't use it to reject mail. Anyone who IS using Spamcop to reject mail has missed much of today's list traffic. -- mail to this

Most of the comments I have are actually very well captured by Chandler's email, so I'm not going to pile on. I do have a few things to add. Renato, in your most recent email you comment about differentiating *stable* vs random versions of CMake built from source. I believe as a community our recommendation should be that people download CMake sources from https://CMake.org/download/

Thanks John and Chris for your commentary. I''m constantly amazed at what is out there -- projects I didn''t know existed. I think Chris and I are looking for something similiar -- fault tolerant/high-availability over slow/fast links with ease of administration and (ideally) zero downtime. I''d like to virtualize my storage along with my Xen machines. After looking at

I did a check-out of vorbis trunk (revision 7445), but I'm getting problems with the autogen.sh. It complains that the required files vorbis{,enc,file}-uninstalled.pc.in are not present. $ ./autogen.sh checking for autoconf... checking for automake... checking for libtool... libtoolize I am going to run ./configure with no arguments - if you wish to pass any to it, please specify them on the

On Mon, 23 Jul 2018, Michael Wagner wrote: > here works a dovecot 2.2.27 on a raspberrypi and the behaviour is as > expected. > > doveadm -f tab fetch -u <user> "uid date.saved" mailbox Trash > uid date.saved > 314 2018-06-23 00:35:59 > 315 2018-06-23 12:39:10 > 316 2018-06-24 10:32:43 > ... > > And I have a cron script that

Hola: Tengo unos datos con varias fechas y horas como texto (son independientes: las horas no corresponden al día de la fecha). Seria algo como: DATOS <- data.frame(FECHA=c("31/10/2014","23/10/2014", "31/10/2014"), HORA=c("01:23", "12:43", "23:09")) No tengo problema de convertir la fecha para poder realizar

Dear expeRts, I came across the following error in using model.frame: # make a data.frame jet=data.frame(y=rnorm(10),x1=rnorm(10),x2=rnorm(10),rvar=rnorm(10)) # spec of formula mf1=y~x1+x2 # make the model.frame mf=model.frame(formula=mf1,data=jet,weights=rvar) Which gives the desired output: > mf y x1 x2 (weights) 1 0.8041254 0.1815366 0.4999551 1.4957814 2

It is obsoleted since Dec 2005. Signed-off-by: WANG Cong <amwang at redhat.com> --- Documentation/ABI/obsolete/o2cb | 11 ----------- Documentation/ABI/removed/o2cb | 10 ++++++++++ Documentation/feature-removal-schedule.txt | 10 ---------- fs/ocfs2/cluster/sys.c | 9 --------- 4 files changed, 10 insertions(+), 30 deletions(-) --- diff

>Thanks a lot for your reply. Alright, it was not a >bug in Samba after all. You were right, I was wrong, >excuse me for blaming Samba and being an idiot :) >But please read on, because I'm still lost here. It's all right to feel repentant but don't exaggerate. You are OK, only a little stressed. >As I expected, this was not an issue with my physical >network