similar to: Ggplot2: Elegant Graphics for Data Analysis (Use R) (2009 Paperback)

can you do Logistic regression in R, if so how do you do it and how do you test the fit of a model? -- View this message in context: http://n4.nabble.com/Logistic-regression-tp1059870p1059870.html Sent from the R help mailing list archive at Nabble.com.

Hi, I am using the ''acts_as_taggable'' gem and have issues when I try to ''tag'' an entity with a ''tagname'' already defined. i.e 1) book[1].tag(''science'',''paperback'') --> works fine 2) book[2].tag(''roman'',''physics'',''paperback'') --> creates an

Anybody know where I can get the Railspace pdf and paperback as 1 bundled price? Here''s the link for just the pdf: https://memberservices.informit.com/buy.aspx?isbn=0321514661&partner=53&cmd=add Thanks, Chirag --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To

i just found the following list, i wondered if anybody could add to this as i have to characterize a large data set and am new to R...the list below was so helpful....can you add to this??? Just to forestall confusion amongst those who would like to use one of the functions called "describe"... Hmisc package - describe numeric name count of observations count of missing

hello folks, Im trying to clean out a large file with data i dont need. The column im manipulating in the file is called "legal_status" There are three kinds of rows i want to remove. Those that have "Private", "Private (Op", or "Unknown" in the legal_status column. I wrote this code but i get errors and it says im missing a TRUE/ False thingy...im

Ive got a big column of dates (also some fields dont have a date so they have NA instead), that i have converted into date format as so... dates<-as.character(data[,"date_commissioned"]); # converted dates to characters dates[1:10] [1] "19910101" "19860101" "19910101" "19860101" "19910101" "19910101" "19910101"

I have 20 columns of data, and in column 5 I have a value of 17600 but I dont know which row this value is in (i have over 300,000 rows). I'm trying to do 2 things: 1) I want to find out which row in column 5 has this number in it. 2) Then I want to print out that row with all the column headers so i can look at the other parameters in the row that are associated with this value. How do i

Please help me persuade IT to install R on my computer! All suggestions welcome. Our IT department run scared when you mention software that they have no working experience of. I need to know the pros and cons of having R on corporate desktops. Please no funny stuff, this is quite a serious issue for us. Pros and cons would be good. Thanks. -- View this message in context:

Hi all I''m just wondering if I get the 2nd version of "Agile Web Development with Ruby on Rails" for free if I already own the 1st edition paperback/PDF combo? And anyway: I wanted to update my first edition, but I can''t find the link anymore where I could get a new PDF version? Thanks a lot for help. Josh -- Posted via http://www.ruby-forum.com/.

http://www.amazon.com/gp/product/1590599780/ This looks awesome! Any ETA? Best, Adam

say i have a column of data like this... 2 3 4 2 1 6 6 4 7 and i want it in three columns like this 226 314 467 ...so i can make a contour plot. How do i do this? -- View this message in context: http://old.nabble.com/one-long-column-of-data--%3E-three-small-columns-tp26163165p26163165.html Sent from the R help mailing list archive at Nabble.com.

Whats happening? everthings changing round here...plus alot less posts/users.. -- View this message in context: http://n4.nabble.com/Whats-happening-to-the-forum-tp913858p913858.html Sent from the R help mailing list archive at Nabble.com.

I hope this question is sufficiently different from the other requests for book recommendations that it's not repetitious. If not, I apologize in advance. I'm curious what standard reference books working statisticians, or biostatisticians, have within easy reach of their desk. I'm a computer systems administrator, and have a two-foot bookshelf directory under my monitor that contains

Jared Smith, Jim van Meggelen, and Leif Madsen of the Asterisk Documentation Project, in conjunction with O'Reilly Media are pleased to announce the official release of Asterisk: The Future of Telephony on Friday, October 14, 2005 at AstriCon 2005 in Anaheim, CA. In the true spirit of Open Source, the authors and O'Reilly Media have published the book under the open, Creative Commons

I am trying to build up a filtered search using the logic below. bq = Ferret::Search::BooleanQuery.new bq.add_query(Ferret::Search::TermQuery.new(Ferret::Index::Term.new("section",section.downcase!)), Ferret::Search::BooleanClause::Occur::MUST) filter = Ferret::Search::QueryFilter.new(bq) @vobjects = VoObject.find_by_contents(search_input,:filter => filter, :sort

if ive got an incomplete data set thats got thousands of rows and 80 columns with random missing fields...like this say... 3 b 3 4 1 1 x 2 ? how do i turn it into.... 3 b 3 4 missing 1 1 x 2 ...i.e., i want to insert the word "missing" into the fields that are empty? -- View this message in context:

I need to find out the difference between the way R calculates weighted regression and standard regression. I want to plot a 95% confidence interval around an estimte i got from least squares regression. I cant find he documentation for this ive looked in ?stats ?lm ?predict.lm ?weights ?residuals.lm Can anyone shed light? thanks Chris. -- View this message in context:

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Get 20% off selected Cambridge books for the R-help community. Until the end of June, R-help users can get an exclusive discount on the following Cambridge University Press books that use R or S-plus! Simply visit http://www.cambridge.org/rbooks and click the appropriate link to get more information about the book(s) that interests you. To get your discount, you will need to click the

Hello, I have the following sample dataset. sex <- as.factor(c(rep(0,12),rep(1,12))) char <-