search for: grate

I want to make a picture of a cos wave grating (pattern of fuzzy stripes). First I try to make a plot of a cos wave: x<-seq(1:100) y<- 10*cos(2*pi*x*3/length(x)+0)+300 plot(x,y) That works fine. 3 cycles of cos wave. Now try for grating. time<-seq(1:100) f<-function(x,time) 10*cos(2*pi*x*3/length(x)+0)+300 z<-outer(x,time,f) image(x,time,z) I get a vertical grating as expected, BUT

...ame(read.table("c:/tina/phd/thesis/data/modified_data1.1.txt",header=T,sep=",")) > y=d.df[,ncol(d.df)] > x=d.df[,1:4] > c.df=cbind(y,x) > #x=cbind(1,x) > p <- ncol(c.df) > > # marginal log-prior of beta[] > logpriorfun <- function(beta, mu, gshape, grate) + { + logprior = -p*log(2) + log(gamma(p+gshape)) - log(gamma(gshape)) + + gshape*log(grate) - (p+gshape)* log(grate+sum(abs(beta))) + return(logprior) + } > require(MCMCpack) Loading required package: MCMCpack Loading required package: coda Loading required package: lattice Loading required pa...

Hello How do I use function 'MERGE" to combine the FILE A and FILE B below to make FILE C? Thank you FILE A 140 151 167 30.1 11.4 40 FILE B 140 167 5.7 30.3 FILE C 140 151 167 30.1 11.4 40 5.7 NA 30.3

I need to implement a solution and not having ever used anything but MS Project I would be grateful for a reco on something good. The only hope would be that its web based but I am open to anything! Thanks! jlc

...control individuals for ages 18-30." Any help or insight would be greatly appreciated. Thanks! Clay P.S. The data is provided as two matrices: the first column are the ages at which data was collected, and subsequent columns are the growth rate trajectories for different individuals. cntl.grates.rda <http://r.789695.n4.nabble.com/file/n4679911/cntl.grates.rda> inf.grates.rda <http://r.789695.n4.nabble.com/file/n4679911/inf.grates.rda> -- View this message in context: http://r.789695.n4.nabble.com/Treatment-effects-on-measurements-through-time-how-to-tell-when-in-time-tr...

Dear Friends, I do require centos 4.2 x86_64 cds here in delhi,India. If anyone of you can arrange that for me i will be vary grateful. The requirement is urgent. Thanks for your time and effort. -- Regards Abhishek Jain -------------------------------------------------------------------- mail2web - Check your email from the web at http://mail2web.com/ .

...y by accident. *idiot* What are the steps needed to get glibc back onto my system. Absolutely nothing is working at the moment, rpm, yum, etc. I presume I'm going to have to boot from a rescue CD of some kind. If someone could outline how to do this, or point me to some docs I would be most grateful. (CentOS 4.3) LC.

...to start & stop Samba. > > 3 - My Samba domain controller will continue running smoothly? > Should do, what you are going to do, is what a distro package update would do, replace the Samba binaries etc with newer versions. I updated my two DCs on Sunday in this way. Rowland > Grateful! > > Alexsandro Oliveira > Note: I used Google Traslater am Brazilian. > > 2016-04-18 15:54 GMT-03:00 Rowland penny <rpenny at samba.org > <mailto:rpenny at samba.org>>: > > On 18/04/16 19:35, Alexsandro Oliveira wrote: > > Hello guys >...

Hi Folks, I'd be grateful for good suggestions about the following. I'm plotting a family of (X,Y) curves (for different levels of another variable, Z): say 6 curves in all but could be more or less -- it's a rather variables situation. I'd like to label each curve with the value of Z that it corresponds to...

Hi all, I'm working on a seemingly trivial problem that I can't figure out how to implement in R. I'd be most grateful for any help here. I want to do the following: first, randomly assign each of n units to one of g groups of size n/g. Then, randomly re-assign each of the n units to a different group (i.e., same as the first step, but the unit can't be assigned to a group to which it's already belonged...

...the guest with network > disabled may be moot. > Thanks, looks really useful but unfortunately I don't have it on this particular machine, which is going to be decommissioned in a few weeks anyway. The cloned VM will only be used for testing purposes, and only for a short time. Would be grateful if someone could suggest a way to disable the networking in the cloned VM within the XML, if that's possible. Thanks again, James

Hello all, I know this question is (strictly speaking) off topic, but if someone could at least point me in the right direction, I would be most grateful. I have an older system (RH 6.2, overdue for upgrade) with an ext2 partition that was pushing 99% filled. I did some space recovery and I have it down to around 90% utilization now. I have rebooted the unit, and brought it up single-user and also booted it under a "Tom's rootboot...

...onverts this to "Dec-2008". Not such a worry for my example, but strange. Having converted to xts, i drop the first observation. The index shows jan 2009. But if i create a new variable with this index, it shifts the series back to dec 2008. No doubt i am doing something wrong. very grateful for any tips library(xts) z <- zooreg(1:24,frequency=12,start=c(2009,1)) # monthly data starting 2009 x <- xts(z,as.yearmon(index(z))) # starts Dec 2008 xx <- x[-1, ] # drop first obs (eg through na.omit) in...

tagtools and acts_as_taggable are both folksonomy tools for rails,any one who has used them both and can give a compare between them? Grateful! -- Posted via http://www.ruby-forum.com/.

...lter to decide if the current user is allowed to execute this action with the given parameters. Anyway, if anyone could lend a bit of their experience, or possibly even better, recommend some resources which cover building larger permissions systems (books, articles etc...) I''d be very grateful. Thanks, Jonathan. -- Posted via http://www.ruby-forum.com/.

I would be grateful if members of the list could point me in the direction of any code (preferably in R) that will allow me to estimate 95th percentiles from a set of repeated measurements. For example, we are interested in a clinical measurement where we have 3 measures for 14 subjects and 2 measurements on 24 sub...

...[,3] [,4] [,5] [,6] [1,] -0.154 -0.065 0.129 0.637 0.780 0.221 [2,] 0.236 0.580 0.448 0.729 0.859 0.475 [3,] 0.401 0.506 0.310 0.650 0.822 0.448 [4,] 0.548 0.625 0.883 0.825 0.945 0.637 [5,] 0.544 0.746 0.823 0.877 0.861 0.642 [6,] 0.262 0.399 0.432 0.620 0.711 0.404 will be very grateful for hints. rob -- View this message in context: http://www.nabble.com/matrix-graph-tp14282791p14282791.html Sent from the R help mailing list archive at Nabble.com.

Hello fellow Rers, I have a no-doubt simple question which is turning into a headache so would be grateful for any help. I want to do a principal components analysis directly on a correlation matrix object rather than inputting the raw data (and specifying cor = TRUE or the like). The reason behind this is I need to use polychoric correlation coefficients calculated with John Fox's hetcor...

Hi I am really struggling with changing my factors into continuous variables. There is plenty of information on changing continuous to a factor which is the opposite of what i need to do. I would be soooooo grateful for any help Thanks Joe -- View this message in context: http://www.nabble.com/Factor-to-continuous-tp23020769p23020769.html Sent from the R help mailing list archive at Nabble.com.

Hi, this is probably a very basic question but I'm just learning R and i cannot find a function to standardize a data matrix.. I'll be grateful for any tips or help you can provide me. Thank you very much!