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Hello, What is the best material(book, pdfs, ...) for programmers, who have extensive experience in other programming languages, to learn R programming? I think there are many materials on how to use R for specific statistical jobs, but I haven't seen any material particularly designed for R programming. Thanks.

I am interested to take a course in R. Someone know of some course in europe for the first semester of the next year?. Happy Year Thank you, Xavier [[alternative HTML version deleted]]

Hello, I use google docs' Forms to conduct surveys online. Multiple choices questions are coded as comma separated values. For example, if the question is like: 1. What magazines do you currently subscribe to? (you can choose multiple choices) 1) Fast Company 2) Havard Business Review 3) Business Week 4) The Economist And if the subject chose 1) and 3), the data is coded as a cell in a

...Output:- 21,23,24,25,normal 2,4,5,5,normal 1,2,3,4,abnormal It is some sort of removing noise from the data. Appreciate alot. Thanks. Rgrds, [[alternative HTML version deleted]] ------------------------------ Message: 30 Date: Mon, 29 Sep 2008 23:45:46 +0900 From: "June Kim" <juneaftn at gmail.com> Subject: [R] turning comma separated string from multiple choices into flags To: r-help at r-project.org Message-ID: <6f80c1520809290745v29ae5e8bs62debff6b87c731b at mail.gmail.com> Content-Type: text/plain; charset=UTF-8 Hello, I use google docs' Forms to conduct sur...

What does the warning mean? In dev.off() : increasing the PDF version to 1.3

Hello, Say I want to make a multiple regression model with the following expression: lm(y~x1 + x2 + x3 + ... + x_n,data=mydata) It gets boring to type in the whole independent variables, in this case x_i. Is there any simple way to do the metaprogramming for this? (There are different cases where the names of the independent variables might sometimes have apparent patterns or not)