[R] disabling sparse Matrix index checking during assignment

2013-12-13 Thread Nathaniel Graham
dims = x@Dim, check = FALSE) but this turns out to be slower than assignment; most of its time is spent in the logical OR command. Is there a way to speed this process up substantially? Thanks in advance for your help. --- Nathaniel Graham npgrah...@gmail.com npgrah...@uky.edu __

[R] I DID IT!

2012-03-12 Thread Nathaniel Saxe
Make A Profit with your own home businesshttp://tiz.co.kr/555cd.php?yppage=a9k2 [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEA

[R] jzoj4 43vwibnt

2011-11-24 Thread Nathaniel Saxe
5ja7o, h5ih0aufrt. http://yjgv6d1r.blog.com/nrd/ s2gqnd gkajocjaked 6fzlef, qufk5mowaax0 zcy51g1f. avgvvqnqiq79 g11hp. [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://

[R] Importing multiple shapefiles to run a loop

2011-03-14 Thread Nathaniel
Hi R Users, I commonly import multiple .csv files and then write loops to work with those files like this: >setwd('C://Nathaniel/R/allfiles') >files<-list.files() >allfiles<-lapply(t1,read.csv) >for (i in 1:47) { > t1<-allfiles[[i]] etc. etc. I have wri

Re: [R] Need help merging two dataframes

2011-02-10 Thread Nathaniel
Hi Dennis, Thanks for the solution, I really appreciate it! Best, Nathaniel -- View this message in context: http://r.789695.n4.nabble.com/Need-help-merging-two-dataframes-tp3297313p3299539.html Sent from the R help mailing list archive at Nabble.com

[R] Need help merging two dataframes

2011-02-09 Thread Nathaniel
male adult LP 02 femalesubadult LP 03 male subadult MR ... Hopefully this all makes sense and someone knows a solution. Thanks in advance for taking a look at my problem and helping out (I hope!). Nathaniel -- View this message in context: http://r.789695.n4.

[R] Need help subsetting time series data

2011-02-02 Thread Nathaniel
mn was small, and I couldn't figure out how to subset the data in that format (I want to keep the 1st, 2nd, 3rd, and last fix in the example columns below (23:31, 00:31, 01:30, 2:30)): timediff 23:31 60 00:31 58.78 01:30 1.07 01:31 1.07 01:32 1.07 01:33 1.07 01:

Re: [R] How can i draw a graph with high and low data points

2010-07-13 Thread Nathaniel Saxe
I have 5 columns- Trial.Group, Mean, Standard Deviation, Upper percentile, Lower percentile. Trial.Group 41 subjects: 3 to 4 yrs-Male Mean 444 SD 25 upper 494 lower 393 and all the data is like that. and i wish to recreate this excel tabl

Re: [R] How can i draw a graph with high and low data points

2010-07-09 Thread Nathaniel Saxe
Hi Tal, Thanks for your help. I've had a look at the site, and what i wanted to do was to plot X and Y where X is a characters and Y is numeric. The problem I'm having now is that the X axis isn't characters but just numbers from 1 onwards and when i plot it, the data i have is in descending ord

[R] How can i draw a graph with high and low data points

2010-07-08 Thread Nathaniel Saxe
Hi, This is my first time so bear with me if I do anything silly. I'll learn! I'm a relatively new user of R as well so will appreciate any help. I have a data set in the form Trial.Group MeanHeart Rate Upper confidence level Lower confidence level 333subj

[R] passing constrasts=FALSE to contrast functions -- why does this exist?

2010-06-11 Thread Nathaniel Smith
ctrfn(levels(x), contrasts = contrasts) > invisible(model.matrix(~ 0 + a)) # dummy coded > In fact, I can't find any code anywhere in R that ever uses contrasts=FALSE. So what's going on? Is this a bug and R *should* be using contrasts=FALSE to "dummy code" factors? Confusedl

Re: [R] The curious special case of "~ (a + b)/c"

2010-06-05 Thread Nathaniel Smith
hrasing somehow helped me figure it out :-). In case anyone else with the same confusion finds this thread: the point in either case is that a variable can't be nested in two other variables separately, so the user must have meant it was nested i

[R] The curious special case of "~ (a + b)/c"

2010-06-05 Thread Nathaniel Smith
So for my own edification, does anyone know/care to speculate about why (a + b)/c works this way? -- Nathaniel __ 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/pos

Re: [R] significance for a random effect in Mixed Model ANOVA

2007-10-17 Thread Nathaniel Street
ify a model for treatment and genotype with genotype as random and treatment as fixed and then how to get the significance for both factors? Thanks again Nat Street PS I use SS and MS for sum of squares and mean squares. [EMAIL PROTECTED] wrote: > > Nathaniel, > > If you are

[R] significance for a random effect in Mixed Model ANOVA

2007-10-14 Thread Nathaniel Street
) are different to each other as well as if there is an age effect (so to know if underlying genotype is also an important factor)? Thanks Nat Street -- Nathaniel Street Umeå Plant Science Centre Department of Plant Physiology University of Umeå SE-901 87 Umeå SWEDEN email: [EMAIL PROTECTED]