similar to: Filtering a data frame using a string for colum header

Dear all Lets say I have a plain text file as follows: > cat(c("[ID: 001 ] [Writer: Steven Moffat ] [Rating: 8.9 ] Doctor Who", + "[ID: 002 ] [Writer: Joss Whedon ] [Rating: 8.8 ] Buffy", + "[ID: 003 ] [Writer: J. Michael Straczynski ] [Rating: 7.4 ] Babylon [5]"), + sep = "\n", file = "tmp.txt") I would somehow like to read

Has anyone had any problems with SATA, either on board or 3rd party setup? I've currently got a problem where an AMD non SATA FC2 system is working fine but an Intel system with a 3Ware SATA card and FC3 is radomly not syncing with the ISDN30. It allows and receives calls but at random intervals drops them. Regards Lee -- No virus found in this outgoing message. Checked by AVG

Hello List, I am not sure that I have the correct terminology here (restricted bootstrap) which may be hampering my archive searches. I have quite a large spatially autocorrelated data set. I have xy coordinates and the corresponding pairwise distance matrix (metres) for each row. I would like to randomly sample some number of rows but restricting samples such that the distance between them is

I''m digging around and googling but can''t seem to find what I think is a simple thing. All I''m trying to do is insert data in a migration into a table, using regular SQL statements. LIke this: class AddStateData < ActiveRecord::Migration def self.up INSERT INTO states values ('''',''Alaska''); INSERT INTO states values

Akemi-san has suggested that I turn the following post into a wiki article. (The article would be a bit better organized, since if one bothers to follow the thread, you'll see that I found that one can use the pcf2vpnc in Dag's rpm without worrying about having a plain text password.) http://www.centos.org/modules/newbb/viewtopic.php?topic_id=18444&forum=38&post_id=67625 If

Hey people, I''m starting a new project and just finished creating the ERM diagram with about 30 tables. There are quite some tables with foreign keys so I''m not sure how to start creating the controllers/models. How should I start creating controllers/models? Should I first create all tables without foreign key? Should I just start somewhere and add them radomly? I''m

hi, I am quite new on using Samba and sorry maybe ask a silly question here. I set up simple Samba server on Fedora3 using the samba rpm package comes with fedora3( version 3.0.10-1.fc3). I use the SHARE security level to make things easier. Everything goes fine so far, except that for some windows user, some times, on browsing some directories, it takes extremely long time to display the

With invaluable help here, I've just gotten 6.0 onto a PC. I went through the listings in PackageKit, removing things I know I'll never use; ran yum update; installed Opera; went to the epel, rpmfusion, and one whose name slips my mind (It's a new name.); enabled them all; and tried to get a lot of my regular apps : [....] Setting up Install Process No package dillo

And compared to PHP? -- Posted via http://www.ruby-forum.com/.

I'm in yum dependency hell using epel, rpmforge and rpmfusion repos to install vlc on 32 bit Centos 5.5. Anyone have a better idea? Doesn't really have to be vlc I just want to be able to play a dvd and Movie Player complains about missing plugins without saying what they are. Dave -- "It is no measure of health to be well adjusted to a profoundly sick society."

I tried to install Google Chrome and received the dependencies error. Is Centos too old for the new Chrome or is there an older Chrome version that is compatible? Todd -- Ariste Software Petaluma, CA 94952 http://www.aristesoftware.com

Hi Please create a page on the wiki for a HowTo with the subject: "How to back up a running KVM guest" This will explain how to use LVM to take a snaphot of a KVM guest's virtual hard drive and rsync it to a remote backup server. I have a prototype running but there are still many issues to be resolved affecting performance, security, reliability, automation. I intend to

Does anyone know where I can download an demo app of action mailer. I''ve looked every where. I''ve also done the tuts. but, they don''t work for me. Thanks... -- Posted via http://www.ruby-forum.com/.

Hello folks, i installed asterisk 1.8 from repo: https://wiki.asterisk.org/wiki/display/AST/Asterisk+Packages And Looked at this article about CDR in mysl. http://www.voip-info.org/wiki/view/Asterisk+cdr+mysql I installed asterisk-mysql pacakge from debian repo. The cdr in mysql is working, but i can not get cdr adaptive colums are not, i use this in my extension.conf exten =>

I am importing CSV data with thousands of rows, if any row contains an error from excel, the whole program crashes, so i need to delete all rows with the value of #VALUE!, all other values are non-numeric... I've tried a bunch of strategies, but nothing seems to work. Thanks ahead of time guys, Best, Cody -- View this message in context:

Hi, Hopefully someone can point me in the right direction on how I would go about solving the following. I have some data and need to find the column name of the maximum value in each row. This could be the data... > a <- data.frame(x = rnorm(4), y = rnorm(4), z = rnorm(4)) > a x y z 1 1.6534561 0.11523404 0.2261730 2 -1.2274320 -0.24096054 1.5096028

Hi all: Can someone help me count the number of rows with values in colum "a" only. assume the name of my dataframe is "weekly" I was trying i<- nrows(weekly$a) i but returns 7 when it should be 4. Thanks a b c d 27.000 27.000 1.569 0.013 160.000 27.000 1.632 0.013 146.000 27.000 1.830 0.015 70.000 27.000 2.475 0.019

Dear ?, I'm sure that there are many ways to do what you want; here's one: > cbind(concept_df, category= + ifelse(apply( + sapply(chemical_df$chemical, + function(x) grepl(x, concept_df$concept)), + 1, any), + "chemical", "")) concept category 1 butan

Hi all, I''m trying to build a routine that generates table rows with the appropriate field types (text_area and text_field for now), and filters out the ''created_at'' and ''deleted_at''. <% for column in Project.content_columns %> <tr class="ListLine<%= cycle("0","1") %>"> <td><%=

Hi-- concept_df$NewCol <- ""; kw <- "acid|ph"; bb <- grepl(kw,concept_df$concept) concept_df[dd,2] <- "chemical" The is a bit late but it accomplish the same with base R. Good luck--EK PS.. my email doesn't accept reply [[alternative HTML version deleted]]