Dear Esmail, you really have to have a look at some introduction to R (e.g. http://cran.r-project.org/doc/manuals/R-intro.pdf), but see the "Manual" section in R website (http://www.r-project.org/). That would answer many of your questions.
>Hello all, > >I am trying to implement a simple Genetic Algorithm. I am doing this >in R since I want access to the statistical functions (eg lm) it >provides. > >I'm not new to programming, or GAs, but I am totally new to R (the >package and the language), and I am hoping someone could help with >these questions: > >1. I am going to use a binary representation, it seems that vectors of > Factors would be what I should use? I would specify values of > TRUE/FALSE instead? Or is there a better choice for manipulating > binary strings? Does this seem like a legitimate way to create a > random one: sample(0:1, vec_size, replace=T) > > Factors are nice to manipulate binary strings (they use integers as internal representation). >2. Am I correct in assuming that R is interpreted (and hence is going to > be noticeably slower than compiled languages)? > > > Yep. But you can have R call C and Fortran code as well. >3. Is there some sort of debugging facility? > ?debug > >4. Does anyone know how to do an effective search for R in google (or > other search engines). The fact that this is a single letters seems > to have most applications ignore this input. This might help me in > finding answers to some other basic questions I have (such as is > there an equivalent function to "printf" in R? "cat" and "print" > are not quite working right for me -- but I need to dig deeper into > the documentation) > > Functions: ?, help.search, apropos, RSiteSearch. See also http://www.rseek.org/. >I am not sure if this belongs into the help or development group, so >I'm giving this a try. If this is the wrong group to post in, please >let me know and I'll repost. > > Instructions and posting guide are there: http://www.r-project.org/mail.html >There will probably be more elementary questions (I am reading the >various manuals too .. but if anyone has some other favorite sites >they want to recommend please do so) > >Thanks, >Esmail > >ps: I there a USENET group dedicated to R? > >pps: I am also exploring ways of calling R functions from Java, if > anyone has any comments regarding that please share. > > See the rJava package. Regards, Thibaut. -- ###################################### Thibaut JOMBART CNRS UMR 5558 - Laboratoire de Biométrie et Biologie Evolutive Universite Lyon 1 43 bd du 11 novembre 1918 69622 Villeurbanne Cedex Tél. : 04.72.43.29.35 Fax : 04.72.43.13.88 [EMAIL PROTECTED] http://lbbe.univ-lyon1.fr/-Jombart-Thibaut-.html?lang=en http://adegenet.r-forge.r-project.org/ ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.