similar to: Large dataset importing, columns merging and splitting

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Hi, I am trying to produce a grouped bar plot from a data.frame and I'm having difficulties figuring out how to do so. My data is 500 rows by 4 columns and basically looks like so: > head(x) V1 V2 V3 V4 1 XOM 0.2317915 0.1610068 1.6941637 2 AAPL 0.6735488 0.7433611 0.1594102 3 GE 1.2554160 0.9237384 1.6767711 4 IBM 1.6296938 0.3730387 0.5858115 5 CVX

Recently, a package for convex optimization was announced for Python, based upon the LP solver GLPK, the SDP solver in DSDP5, and the LP and QP solvers in MOSEK. I'm aware GLPK is available for R, but wondered if anyone had good packages for convex optimization along these lines for R. TIA.

Hi my R buddies, I'm trying to solve a specific group of convex optimization in R. The admissible region is the inside and surface of a multi-dimensional eclipse area and the goal function is the sum of absolution values of the variables. Could any one please tell me whether there's a package in R to do this? Thank you very much, Best wishes, -- ??? Hesen Peng

Hello all: We have installed the latest cvx version of asterisk. We have a FXO card on the server. When some one dial that DID we need to forward the call from asterisk to a sip address, example 2222@sip.sip.com. In that sip address an IVR will handle the call. Also is some one dial any phone number from any asterisk extension the call should be sent to the same sip address. We

Hello, I have the following data1 (index are chars): ?? ?index 1 ?008823 2 ?012689 3 ?004503 4 ?002991 5 ?012689 6 ?002845 7 ?012689 8 ?012395 9 ?012689 10 009302 11 002845 12 006669 13 008823 14 009302 15 025340 16 012689 and data2 in this format (index2 are chars): ?? ? ? index2 ? ? ?tic 1 ? ? 001003 ? ? ANTQ 2 ? ? 001004 ? ? AIR 3 ? ? 001009 ? ? ABSI 4 ? ? 001011 ? ? ACSE etc I am

Hi, I have several files with data in this format: 20070102 20070102 20070106 20070201 ... The data is sorted and each line represents a date (YYYYMMDD). I would like to analyze this data using R. For instance, I would like to have a histogram by year, month or day. I've already made a simple Perl script that aggregates this data but I believe that R can be much more powerful and easy on

Whoo hoo! I just received my WIP300 from voipsupply. I have to let it charge before I can play with it. A few quick comments: - I started a Wiki page at voip-info to post issues, firmware news, etc. I really like the wealth of info on the GXP-2000 page, so I wanted to start something similar for this phone. http://www.voip-info.org/wiki/index.php?page=Linksys%20WIP300 - My kit

I want to essentially transplant my existing Asterisk server to a new machine, and take the old sever out of service. Assuming I install Asterisk on the new machine, does anyone know what files I would have to copy over? What comes to mind are the *.conf files in /etc/asterisk, as well as the voicemail audio files. Anything else? -------------- next part -------------- An HTML attachment was

Hi, I am trying to plot the Case-Shiller index found at: http://www2.standardandpoors.com/spf/pdf/index/CSHomePrice_History_022445.xls The way I'm importing it into R is as follows: library(gdata) W <- read.xls("http://www2.standardandpoors.com/spf/pdf/index/CSHomePrice_History_022445.xls ", header=TRUE) attach(W) To give you and idea of what the data looks like: >

[Note to R. Wolff -- thanks for the pointers and the program. As I understand its workings, it would run as root and bind a listen port to a particular program -- with a list being supplied in /etc/portadmin or other file. Basically, a listen wrapper. Hopefully this message will address your cleanup concerns in my previous message. Thanks. Also, you may want to provide a moderator''s

Looks like my first question a couple of days ago wasn?t very clever asked, at least very sucessfull.... So, anyway...i will try it again: I have to prefix that I am far away from fully understanding the overall concept yet, and there?s no way to get some hints in the www so far, at least my resaerches dont lead to any helpfull stuff. image_controller.rb: def create MiddleMan.new_worker

I'm trying to import a table into R the file is about 700MB. Here's my first try: > DD<-read.table("01uklicsam-20070301.dat",header=TRUE) Error: cannot allocate vector of size 15.6 Mb In addition: Warning messages: 1: In scan(file, what, nmax, sep, dec, quote, skip, nlines, na.strings, : Reached total allocation of 1535Mb: see help(memory.size) 2: In scan(file, what,

Dear all, I have following 2 zoo objects. However when I try to merge those 2 objects into one, nothing is coming as intended. Please see below the objects as well as the merged object: > dat11 V2 V3 V4 V5 2010-10-15 13:43:54 73.8 73.8 73.8 73.8 2010-10-15 13:44:15 73.8 73.8 73.8 73.8 2010-10-15 13:45:51 73.8 73.8 73.8 73.8 2010-10-15 13:46:21 73.8 73.8 73.8 73.8

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I want to install mplayer but my GCC is 4.0. can not compile the mplayer. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100824/86c613fd/attachment-0002.html>

Problem: *Call* *waiting* comes in, I press flash to answer it, and the first caller gets disconnected after 3 seconds. This is all ZAP - no VOIP. System: Analog stations and trunks running on a pair of TDM400's. It does NOT have * call* *waiting* from the phone company, and I have enabled it in all my conf files. The trunks are set to FXSKS and the stations are FXOKS. I am not using *call*

does there exist anywhere a useful source version of an ACM for vorbis audio? I've seen the binary one somewhere in Japan, and there's an abandoned project at SourceForge, but I'm having a helluva time building it. I know all the caveats about CBR vs. VBR, ACM/AVI problems etc. but I need it anyway. Thanks in advance - ___ Dan Miller (++,) Founder, CTO, On2.com --- >8 ----

Hello, I have been having problems using kernels since 2.6.9-34.0.2. After updating to a new kernel, my system runs, I'm guessing, 6 - 8 hours fine, then becomes unresponsive. For example, I installed the latest kernel the other evening, reboot for the changes and by morning, the system appears to be locked up. Typing 'yum update' takes about 10 minutes to execute. Not sure whats

I have a spec: specify "a post with no user id should add a record" do post :edit_or_create, :user => {:login => ''joeschmoe'', :email => ''joe at shmoe.com'', :email_confirmation => ''joe at shmoe.com'', :full_name => ''Joe Schmoe''} assigns[:user].should_not_be_nil