search for: begginers

Hello all, Im just beggining using R. I have read a couple of introductory documents but they are very general. Is there a document focused on classification? (this is what Ill be using R for). Examples would be just fine. Thanks in advance, Ulises

Hi, This is my very first time using CentOS and I find documentation a little bit confusing. For example, I don't know which iso image suits my needs, isn't adding big, shining red link "READ THIS IF YOU DON'T KNOW WHICH ISO SHOULD YOU CHOOSE" a good idea? 'README' file on mirrors with instructions would also be nice. If there already is one, I wasn't able to

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Hi, I have been stuck on this problem for 2 hours and still have no idea how to do it. Basically I have a relationship between Workout and Exercise Exercise has many Work out anyway in my code at Workout.view the edit.html that was generated through scaffold I wrote this <% form_for(@workout) do |f| %> <p> <b>Exercise</b><br /> <%= select_tag

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Hi All, Is there a means to extract the "10" from "23:10:34" in one pass using strsplit (or something else)? tst <- "23:10:34" For example my attempt strsplit(as.character(tst),"^[0-9]*:") gives [[1]] [1] "" "" "34" Obviously it is matching the first two instances of [0-9]. Note that there may be only one digit

I'm begginer with samba and mailing lists - I've problem with my server on RedHat 7.0 . It's runnig only as a file server.When I log in and I'm doing something ,everything is runnig as it should.. But if I leave computers alone and they are not working for 1.5 min ---> connection is "dropped" and clients show message like: //Server destination host unreachable.

Dear All,   I am working with a Sweave document to be converted into PDF using Rstudio. It seems to me that my R code will also show up after conversion, which I would like not to happen. Is there a way to specify a command that I could place on the beggining and at the end of the R code that would allow R to recognize the area where my R code is and would ignor it when the data is converted?  

Hi, I am a begginer in R programming. I am traying to create a a column in my data frame filled down with a number. > df$newcolumn <- number How can I do it? I am considering use rep() but in this case it is necessary know the number of rows in each data base that I have and I would like to do it in a faster ( and more elegant) way. TKs [[alternative HTML version deleted]]

Hello, i have asterisk with 2 internal isdn cards - handled by isdn4linux and i need to setup whol system like this route some call beggins with 0 or 00 - long distance through first card, route calls to mobile network via second card ( tehere is isdn gsm gateway connected).how i can do this using only isdn4linux (/dev/ttyi) ? regards Marian -- SUNTEQ s. r. o. Bojnicka cesta 35 # Prievidza

Hi all, I?m a beginner with asterisk and I want to know if with asterisk I can send sms to a mobile, I?m on Spain, and I don?t know this can be a problem (with the operators...) I have Elastix 1.3.2 and I have seen this url: http://mirror.su.lt/voip-info/wiki/view/Asterisk+cmd+Sms.html I have tried the smsq command but I can get it work, (as I say I?m a begginer and I don?t understand several

During the interesting interview that binaryfreedom has made with Monty and Jack, Monty mentions cascading, a feature that will be added, quote: "Cascading is the ability to make multiple passes through the frequency spectrum, iteratively filling in more detail, like a progressive jpeg". What are the advantages of something like this - does this generally improves quality or is it used

Hi, >From what I can understand from analyzing several *.td files, there are two ways of specifying scheduling information for a specific target, either using SchedWriteRes and InstrItinClass/Data. Specifically looking at ARMScheduleA9.td, I can find both representations and a comment (in the beggining of the file): // This section contains legacy support for itineraries. This is // required

Hi! Samba 2.2.4, Linux. smbd loses connection to the PDC - although rest of organization feels fine... I've had the following cropping up: Jul 25 07:40:13 10.17.0.2 smbd[6994]: [2002/07/25 07:40:13, 0] lib/fault.c:fault_report(38) Jul 25 07:40:13 10.17.0.2 smbd[6994]: [2002/07/25 07:40:13, 0] lib/fault.c:fault_report(39) Jul 25 07:40:13 10.17.0.2 smbd[6994]: Please read the file

Hello, I'm using dovecot 1.1.6 with libsieve 2.2.5 and I can't use the imapflags extension. Here's the begginning of my .dovecot.sieve file : require ["fileinto"]; #require "imapflags"; #require "reject"; #if header :contains "X-DSPAM-Probability: 0.9" { # addflag "$label3"; #} # On d?place le spam dans le dossier Spam et on

Hi, How do i convert a Date to a Time?? I have a date returned from sql and i need to be able to use handy functions like next_week or beggining of week. Any help appreciated Thanks, Chris -- Posted via http://www.ruby-forum.com/.

Hello everyone I appologize for my lack of experience in statistical methods. I am an R user begginer and I am running a logit model using "zelig" and "pcse" packages. I will go to the point and is that Im having problems with interpreting the results of my models.. It is really simple (I guess for the most advanced scholars) however I really dont understand how to interpret

Dear R-experts, I need to run a R code on different computers (MACs and PCs) on different monitos sizes. The code generates graphs that are displayed in the same page. But there are some elements of the graphs that appear at the right position on a PC, but they don't appear at all when I run it on a MAC. I have R v 2.5.1 installed in both types of systems. I specify windows(height=10,

Hi, I am learning how to do principal component analysis in R. However, since I am family with only a few built-in functions like prcomp, sd, cor, I started manually with examples in text books while trying to use the few functions I know to manipulate what they have in the text. From the example in the text I obtained a data set. Using cor and cov, I calculated the correlation and covariance of

Dear All, I'm trying to install Centos 4.2 x86_64 on a new Opteron server, using a software raid 1 boot partition. Here is the appropriate section of my kickstart.cfg #System bootloader configuration bootloader --location=mbr #Clear the Master Boot Record zerombr yes #Partition clearing information clearpart --all --initlabel #Disk partitioning information part raid.01 --size 50000