similar to: trouble with boot ()

Hi, I have some simple statistics to calculate for a large number of variables. I created a simple function to apply to variables. I would like the variable name to be placed automatically. I tried the following function but is not working. desc = function(x){ media = mean(x, na.rm=T) desvio = sd(x, na.rm=T) cv = desvio/media*100

Dear all i?m working with a program i?ve made in R (using functions that others created) to run my program i need a sample. if i generate the sample using for example, rnorm(n, mu, sigma) i have no problem but if i obtain a sample from a column in excel and i copy it, the program says that there is a mistake: it says "Error en `[.data.frame`(data, indices) : undefined columns

Buenas para tod en s, tengo una consulta para poder optimizar tiempos. Ejemplo tengo el siguiente dataframe: distrito<-c("A","A","A","B","B","B","C","C","C","A","A","B","B","C")

Hi! With the following script, I'm trying to make a demonstration of a Confidence Interval, but I'm observing some differences on tails. # Teste de média entre uma amostra e uma população normal # Autor: Raphael de Freitas Saldanha # Agosto de 2008 n <- 200 # Sample size xbar <- 100 # Sample mean s <- 2 # Sample SD nc <- 0.95 # Confidence level (95%

Hello everyone. I have this issue: I?m rSyncing three folders from my main server to my backup server. Main is Ubuntu 7.10 64 bit and backup is Ubuntu 6.10 32 bit. Both are Rsync 3.0.2. Please advise me if there any other debug information I should provide. I get this output: building file list ... done Attachments_Redmine.tar.gz BackupRedmine.sql calidad/ calidad/DESVIOS QQ 1.2 ADVANTEK

It's my vague impression that View() is workable on Windows and maybe on MacOS, but on Ubuntu Linux 9.04 (intrepid) it seems completely unstable. I can reliably crash R by trying to look at a very small, simple data frame ... I was going to try to run with debug turned on, but my installed version (2.9.0) doesn't have debugging symbols, and I'm having trouble building the latest

Estimados todos: Me es grato escribir a esta lista de ayuda para R, ya que comparto 100% la filosofía de Software libre en especial software en Estadística ya que es la carrera que estoy siguiendo. El motivo de este mensaje es por un par de dudas que no pude resolver: 1. He utilizado las funciones para realizar pruebas de normalidad (kolmogorov-smirnov, cuando n>50) y (Shapiro, cuando

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I am trying to set the CDR(userfield) to a certain vaule using the application map of features.conf but I am not able to do it. When I receive a call I would like to tag it with a client code (3 digit numeric) so I can referenci it later from the CDR. I have edited features.conf with something like: code => #111,self,SET(CDR(userfield(111)) or

Yo, Inspired by the example in the tips & tricks-section of "http://www.junghanns.net/asterisk/", I built a more elaborate call divert-feature. This one validates if the extension a call-forward is to be set to is actually valid for the current context and additionally saves this context into the DB and always uses it to originate the divert from, as you can't expect the

I am trying to mount this (my old hard drive) from my Centos 5 install as a USB drive so I can copy files over. I have made the change to max_luns so that I can have more than one drive on a USB drive. The first partition, /dev/sda1 mounts automatically as /boot_ The second partition, /dev/sda2 is the one I really want and it is an lvm partition. When I am booted from this drive (as the

Hello all, I'm new in this forum. I would like to have your help as I am facing the following problem: I've installed the last Gephi release (Gephi 0.8.2-beta) for linux, which is an interactive visualization and exploration platform for all kinds of networks and complex systems, dynamic and hierarchical graphs (http://http://gephi.org/). The Gephi documentation specifies that