similar to: [Help]:How to use "loop" to achieve this aim?

Hello I have 2 data frames df1 and df2. I would like to create a new data frame new_df which will contain only the common rows based on the first 2 columns (chrN and start). The column score in the new data frame should be replaced with a column containing the average score (average_score) from df1 and df2. df1= data.frame(chrN= c(“chr1”, “chr1”, “chr1”, “chr1”, “chr2”, “chr2”, “chr2”),

Hi Peter I have the following data frame with chromosome name, start and end positions: chrN start end 1 chr1 11122333 11122633 2 chr1 11122333 11122633 3 chr3 11122333 11122633 8 chr3 111273334 111273634 7 chr2 12122334 12122634 4 chr1 21122377 21122677 5 chr2 33122355 33122655 6 chr2 33122355 33122655 I would like to count the positions that have the same start and

I have a data.frame with all character columns, I would like to convert the last two columns into numeric.> x[1:5, ] chrN start end 1 chr1 71310034 71310064 2 chr14 23354088 23354118 3 chr14 71310034 71310064 4 chr15 37759058 37759088 5 chr22 18262638 18262668 > apply(x, 2, FUN = mode) chrN start end

I want to remove the column names from a data frame. I do it the long way, can any body show me a better way ? df= data.frame(chrN= c(“chr1”, “chr2”, “chr3”), start= c(1, 2, 3), end= c(4, 5, 6), score= c(7, 8, 9)) df #I write a txt file without row or column names write.table(df,"df1.txt",sep='\t',quote=FALSE,row.names=F,col.names=F) #then I read it with the header = F

when I try to run aim.exe under wine, i get the following error: err:shell:SHGetSpecialFolderPathA Failed to create directory 'C:\WINNT\Application Data'. why is it looking for that folder there? The partition is a win2k install, so it would find it under "C:\Documents and Settings\Administrator\Application Data". How do I make it look there? Erik

downloaded and installed aim through wine, but when i click to start the program it wont fully load shows part of the aim login then says that it cant load or it doesnt load at all

I hacked together a system, using an AGI script written in PHP, that looks up my AOL Instant Messenger (or in my case iChat) status, and, if I'm online, plays a different voicemail message (i.e. "Peter's here") than if I'm offline (i.e. "Sorry, Peter's not here"). Code and explanation at: http://www.reinvented.net/labs/article/1832 Peter Rukavina

I installed AIM 5.9 via Wine in Ubuntu 8.04, however I'm not hearing any sound. I configured Wine to use the ALSA driver and I tested another application under Wine and the sound worked fine. Does anyone know how I might go about getting the sounds in AIM to work?

Thought I''d post this in case it''s of use to anyone. Maybe even a recipe? It''s just some simple helpers to show AIM status on a webpage. I searched before coding it, and didn''t find anything similar. Maybe that''s because it was so simple :) These methods belong in a helper (such as app/helpers/application_helper.rb) # begin AIM helper methods def

Need way to resize an existing graphics window. This should be applicable across platforms (as part of a package). Context: function1() draws main plot (I'm using grid), function2() adds smaller plot above main plot, but this one can sometimes overflow the original graphics window area. Thanks, Sigal

Hi I have an organism directory that contains two folders galGal3 and hg19 and many other files. orgDir = '/home/mary/org' When I try to use list.dir() function, it gives me the same answer, no matter what is the value of full.names argument. > list.dirs(path = indexDir, full.names = FALSE)[1] "/home/mary/org" [2] "/home/mary/org/galGal3" [3]

Hi, I was wondering I'm going about this in the correct way. I need to test if there are coding sequences or exons in hg19 which match a string of 100bp "D" i.e. [A,G or T]. However I'm getting a strange result. I get a hit on chr7, using the 100bp search however when I search with 60bp sequence of "D" I don't get any hits. library("BSgenome")

Does anyone know of a program/extention to asterisk that would allow me to either text message my asterisk box or IM it from AIM on my cell phone to allow it to call me? I've been looking with google yet can't find anything. I don't code, so I'm SOL there, so I'm looking for something premade. I plan on taking a class on perl during the fall semester at my local community

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Hi, I was installing hundreds of packages on a machine with a single call to install.packages() and after a long time the call to install.packages() finally returned with the following warnings and errors: Warning messages: 1: packages ?hgu133aprobe?, ?hgu95av2.db?, ?BSgenome.Celegans.UCSC.ce2?, ?BSgenome.Mmusculus.UCSC.mm10?, ?BSgenome.Dmelanogaster.UCSC.dm3.masked?,

-----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of r-help-request at r-project.org Sent: Monday, February 11, 2008 12:00 PM To: r-help at r-project.org Subject: R-help Digest, Vol 60, Issue 11 Send R-help mailing list submissions to r-help at r-project.org To subscribe or unsubscribe via the World Wide Web, visit

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Hello, While doing some enrichment tests using chisq.test() with simulated p-values, I noticed some strange behaviour. The computed p-value was extremely small, so I decided to dig a little deeper and debug chisq.test(). I noticed then that the simulated statistics returned by the following call tmp <- .Call(C_chisq_sim, sr, sc, B, E) were all the same, very small numbers. This, at first,