Re: [R] Construct a File Path: File Path Unknown

it would probably be faster if you can be as specific as possible... in the help that has been provided, it is looking everywhere in c:/ you could narrow that down a bit and save it from looking too deep in your system. dir("C:\Documents and Settings\username\Desktop", pattern="foo.pdf", ful

Re: [R] Quadratic equation

these guys wont help you with your homework. But have you ever heard of Google?... if so, R has plenty of online manuals and cheat sheets. -- View this message in context: http://r.789695.n4.nabble.com/Quadratic-equation-tp3758790p3759239.html Sent from the R help mailing list archive at Nabble.

Re: [R] Grouping columns

untested because I don't have access to your data, but this should work. b13.NEW <- b13[, c("Gesamt", "Wasser", "Boden", "Luft", "Abwasser", "Gefährliche Abfälle", "nicht gefährliche Abfälle")] Geophagus wrote: > > *Hi @ all, > I have a question concerning the possibilty of grouping the

Re: [R] problems with merge() - the output has many repeated lines

?unique -- View this message in context: http://r.789695.n4.nabble.com/problems-with-merge-the-output-has-many-repeated-lines-tp2333596p2334249.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https://

Re: [R] "fill in" values between rollapply

Dennis: I had never used the rep() function and that works out great, thank you. Brad -- View this message in context: http://n4.nabble.com/fill-in-values-between-rollapply-tp1816885p1835513.html Sent from the R help mailing list archive at Nabble.com. __

Re: [R] "fill in" values between rollapply

's one approach: > library(zoo) > x <- zoo( rpois(100, 40) ) > w <- rollapply(x, 5, mean, by = 5, align = c('left')) > x2 <- rep(w, each = 5) > > Does that work? > > HTH, > Dennis > > > On Fri, Apr 9, 2010 at 12:32 AM, Brad Patrick Schneid <[h

[R] "fill in" values between rollapply

Hi, Sorry ahead of time for not including data with this question. Using rollapply to calculate mean values for 5 day blocks, I'd use this: Roll5mean <- rollapply(data, 5, mean, by=5, align = c("left")) My question is, can someone tell me how to fill in the days between each of these means wit

Re: [R] time series problem: time points don't match

Gabor: That is not the ideal solution, but it definitely works to provide me with the "easier alternative". Thanks for the reply! -- View this message in context: http://n4.nabble.com/time-series-problem-time-points-don-t-match-tp1748387p1748706.html Sent from the R help mailing list archive

[R] time series problem: time points don't match

Hi, I have a time series problem that I would like some help with if you have the time. I have many data from many sites that look like this: Site.1 datetimelevel temp 2009/10/01 00:01:52.0 2.8797 18.401 2009/10/01 00:16:52.0 2.8769 18.382

Re: [R] Similarity Percentage Analysis

I'm guessing the answer is no? I too am looking for a function for SIMPER, it seems logical that this would be in the Vegan package with the ANOSIM function. -- View this message in context: http://n4.nabble.com/Similarity-Percentage-Analysis-tp868460p1573091.html Sent from the R help mailing l

Re: [R] "should be" easy data frame manipulation

You rock! thank you.. you saved me hours of hunting around. -- View this message in context: http://n4.nabble.com/should-be-easy-data-frame-manipulation-tp1457518p1457675.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-projec

Re: [R] Applying a transformation to multiple data frame columns

look at plyr package colwise (column wise) function -- View this message in context: http://n4.nabble.com/Applying-a-transformation-to-multiple-data-frame-columns-tp1457641p1457666.html Sent from the R help mailing list archive at Nabble.com. __ R-hel

[R] "should be" easy data frame manipulation

I have a data.frame with the following: ID Species Count 1 A 3 1 B 2 1 E 12 2 A 13 2 C 5 2 F 4 3 B 5 3 D 3 I need it in thi

Re: [R] read multiple large files into one dataframe

Thats it Hadley!!! Thank you. -- View this message in context: http://n4.nabble.com/read-multiple-large-files-into-one-dataframe-tp891835p1290089.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org mailing list https:

Re: [R] read multiple large files into one dataframe

### The following is very helpful # listOfFiles <- list.files(pattern= ".txt") d <- do.call(rbind, lapply(listOfFiles, read.table)) ### but what if each file contains information corresponding to a different subject and I need to be able to tell where each

[R] auto reading in multiple txt files with filename as 1st column "ID"

Hi, I have many .txt files which look like this: 2009/02/07 12:30:10.0      5.0161      13.208 2009/02/07 12:45:10.0      5.0102      13.350 2009/02/07 13:00:10.0      5.0044      13.473 2009/02/07 16:30:10.0      4.9366      13.788 2009/02/07 16:45:10.0      4.9397      

Re: [R] Automatic File Reading [Broadcast]

Hi, I have many files which look like this: " 2009/02/07 12:30:10.0 5.0161 13.208 2009/02/07 12:45:10.0 5.0102 13.350 2009/02/07 13:00:10.0 5.0044 13.473 2009/02/07 16:30:10.0 4.9366 13.788 2009/02/07 16:45:10.0 4.9397 13.798 end d

Re: [R] Automatic File Reading [Broadcast]

Sorry... also, how do I remove the last line which says "end data" -- View this message in context: http://n4.nabble.com/R-Automatic-File-Reading-tp810331p1182386.html Sent from the R help mailing list archive at Nabble.com. __ R-help@r-project.org m