similar to: Better way to create tables of mean & standard deviations

Hi, I am new to R and am still trying to get a grip of it. I have data in this format: Run Lab Batch Y 1 1 1 1 608.781 2 2 1 2 569.670 3 3 1 1 689.556 4 4 1 2 747.541 5 5 1 1 618.134 6 6 1 2 612.182 7 7 1 1 680.203 8 8 1 2 607.766 9 9 1 1 726.232 and I want to make a boxplot of the Y values for each

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The plastics industry says polycarbonate bottles are safe. http://www.bisphenol-a.org/about/faq.html#g I'm sure Maggie and here friends would say ALL plastic bottles are very dangerous. This lady seems to be at a reasonable middle ground. http://trusted.md/blog/vreni_gurd/2007/03/29/plastic_water_bottles Polycarbonate plastics the kind of bottle you bought contains BPA. "In 2006 Europe

Hi All, On several of my servers I seem to have a high rate of server crashes do to file system errors. So I have some questions related to this: Is there any Mean Time Between Failure ( MTBF) data for the ext3 file-system? Does increased partition size cause a higher risk of the partition being corrupted? If so, is there any data on the ratio between partition size and the likely hood of

Hi, I am trying to redirect my subnet thru squid and it seems to be working. However I decided tu exclude two hosts from the redirect (ie acces the net directly) and can''t manage to achieve that. I am using the following rule: REDIRECT loc:!192.168.13.48,!192.168.13.200 3128 tcp 80 - With this rule everything gets redirected thru squid. I also tried:

I need to reference the full url of an image stored in the assets, this url is passed to fancy box to open it I build the image path in helper and it get the path "ceramics/big/c0d0.jpg" "ceramics/big/c0d2.jpg", ... but I need to get the full url to these image asset_path("ceramiques/big/c0d0.jpg") => "/assets/ceramiques/big/ c0d0.jpg" but there

Dear all, I've successfully setup a Samba 2.2.3a file server with quota support on a RedHat Linux 7.1 with Kernel 2.4.18-ac2. Win NT clients (NT, 2K, XP) works fine, and samba report the quota per user as disk capacity. But Win98/ME clients don't. Samba report the filesystem capacity, and even worse, users can bypass their quotas ! I solved the problem using a dfree script written in

I've searched the archives and read the xyplot help but can't figure out the 2 lattice questions below? Consider: library(lattice) DF <- data.frame(x=rnorm(20), y=rnorm(20), g1=rep(letters[1:2], 10), g2=rep(LETTERS[1:2], each=10), g3=rep(rep(letters[3:4],each=5),2)) xyplot(y ~ x | g1 + g2, groups=g3, data=DF) 1) Is there a way to get one strip per row and column

Ok this is admittedly OT, but when you want network advice you go to where network gurus hang... When popping mail from my primary mail server (Linux) from my linux laptop a simple mail check takes 15 seconds to connect when using a wireless nic (802.11g) and 1 second using the hardwired nic. Popping my backup mailserver (also linux) which is sitting RIGHT BESIDE the primary takes one second

Hi to everybody, I''m writing an article about Ruby on Rails and I need to gather some information about the project and the community of core developers. In particular I''d like to know something about the organization of the project (how are decisions taken, who decides what goes into the project, conflict resolution, contributions acceptance...) and something more technical

Dear R useRs, I have a problem with nls.lm function of minpackl.lm package. I need to fit the Van Genuchten Model to a set of data of Theta and hydraulic conductivity with nls.lm function of minpack.lm package. For the first fit, the parameter estimates keep changing even after 1000 iterations (Th) and I have a following error message for fit of hydraulic conductivity (k); Reason for

Which consumer-priced 1.5TB drives do people currently recommend? I had zero read/write/checksum errors so far in 2 years with my trusty old Western Digital WD7500AAKS drives, but now I want to upgrade to a new set of drives that are big, reliable and cheap. As of Jan 2010 it seems the price sweet spot is the 1.5TB drives. As I had a lot of success with Western Digital drives I thought I would