search for: gentlemens

Hi guys im having a problem getting R to numerically integrate for some function, say f(bhat)*optimize(G(bhat)), over bhat. Where id like to integrate this over some finite range, so that here as we integrate over bhat optimize would return a different optimum. For instance consider this simple example for which I cannot get R to return the desired result: f <- function(bhat) exp(bhat) g

Hi fellow R-users, I have run into a problem when trying to identify the number of rows in a matrix. Say we have an arbitrary 5 by 5 matrix called temp: temp <- matrix(norm(25), nrow=5) The problem is that nrow(temp[1,]) returns NULL. I would like it to return 1 because in my larger program I am indexing the rows of large matrices according to another variable and I need to test when the

Dear R-users, Say that I have a sequence of zeroes and ones: x <- c(1,1,1,0,0,0,0,1,1,1,0,0,0,0,1,1,1,0,0,0,0) The sequences of ones represent segments and I want to report the starting and endpoints of these segments. For example, in 'x', the first segment starts at location 1 and ends at 3, and the second segment starts at location 8 and ends at location 10. Is there an efficient

I am looking for an efficient way to solve the following problem. I have a large matrix of continuous values with a small proportion of missing values. Columns correspond to variables where each variable has two measurements, call them A and B. The matrix is such that the columns are in sequence with respect to the variables. I would like to sum up the two measurements for each variable and each

Greetings, I have a seemingly simple task which I have not been able to solve today. I want to construct a symmetric matrix of arbtriray size w/o using loops. The following I thought would do it: p <- 6 Rmat <- diag(p) dat.cor <- rnorm(p*(p-1)/2) Rmat[outer(1:p, 1:p, "<")] <- Rmat[outer(1:p, 1:p, ">")] <- dat.cor However, the problem is that the matrix

Im trying to ascertain whether or not the facilities of R are sufficient for solving an optimization problem I've come accross. Because of my limited experience with R, I would greatly appreciate some feedback from more frequent users. The problem can be delineated as such: A utility function, we shall call g is a function of x, n ... g(x,n). g has the properties: n > 0, x lies on the

Hi fellow R-users, Are there any text editors that recognize sweave (.rnw) files? I am running Windows Vista and in the past I used Tinn-R for R files but it (surprisingly) doesn't recognize rnw files and does not do any syntax highlighting for them. Thanks in advance, Greg __________________________________________________________________ Make your browsing faster, safer, and

I was in the #centos-social channel and simply stated that I noticed CentOS 3-4 were getting a lot of updates. I also stated that the CentOS 5 was one kernel behind, as in RHEL it is at -53, the gentlemen then told me that I was wrong and it was at -21. I then asked if there was a way to get a progress report somehow on 5.2, and that 5.2 has already upgraded that kernel. The result was that I was

On Mon, 2017-04-03 at 13:36 +0000, Ricardo Pardim Claus via samba wrote: > Gentlemen,  > > Can anyone tell me if the modules below are working normally in versions later than 4.4.5? > > Shadow Copy service What problems were you facing with shadow_copy2 module in later versions? >   > full_audit > I'm in version 4.4.5. However, when I had to use these modules, they

Gentlemen, In the documentation for reshape, in the function signature, the argument "direction" is not listed. However, it is explained in the explanation of parameters below. I am using R 2.2.1. Out of curiosity: Is the R core team still an all-male affair? I don't think I have seen a single lady's name. -- -- Vivek Satsangi Student, Rochester, NY USA

Hi R users, Simply question: On the command line, how do I list the datasets contained within a package, e.g. MASS? I scanned the mailing list history but was unable to find the answer. Thanks in advance. Gregory --------------------------------- [[alternative HTML version deleted]]

Dear fellow R-users, Is there a function that does the bisection method? I was unable to find one. Thanks in advance. Gregory [[alternative HTML version deleted]]

Dear ladies and gentlemen! When I use the plot funtion how can I change the size of the title for the x and y axes (xlab, ylab)and the size of the axes label ? Thank you very much. With best regards Claudia

Hello gentlemen, I've discovered an interesting failure on some machine running 4.7. It's so weird so I'd very unlikely notice it at all, but thanks to top(1): when launched, instead of displaying some useful figures it exits with an error: "top: nlist failed". >From quick look it appears that kvm_nlist() returns NULL for nlst[0].n_type. Strange, ignoring; next exit point

Gentlemen, I have googled, searched the mailing list archives, and even spoke on the IRC channel, but have not found an answer to the following problem. I am attempting to retrieve multiple columns in an ODBC query using ARRAY per the solutions offered by many individuals. My dialplan code is as follows: exten => _.,n,Set(ARRAY(var1,var2,var3)=${ODBC_LOOKUP(${KEYVAL})}) exten =>

Good afternoon Gentlemen, I have a question regarding /etc/hosts for CentOS 6 x64. I already have a hostname set on my server, however there are 10 additional IP aliases assigned to the box, one which I plan to use as a mail server. The mail server will be serving mail for a completely different domain (different then the default hostname of my box). My question is this: If I take one of my

Gentlemen, I have a question regarding yum groupinstall vs just using yum install. I have been reading tutorials online (for example how to run a Centos LAMP). Most of the tutorials have examples to install httpd, mysql, etc using yum install httpd.... The reason for this e-mail is that I noticed in yum grouplist that there is an option to install Web Server, MySQL database server, etc.

Hi everyone, My goal is to sample from a two-dimensional grid. Consider the following example of code: n.grid <- 500 muA.grid <- seq(-4,4, length=n.grid) muB.grid <- seq(-4,4, length=n.grid) mu.p <- matrix(NA, nrow=n.grid, ncol=n.grid) for(i in 1:n.grid){ for(j in 1:n.grid){ mu.p[i,j] <- dnorm(muA.grid[i], 0, 1)*dnorm(muB.grid[j], 0, 0.5) } } mu.p <-

On Mon, February 9, 2015 3:14 pm, PatrickD Garvey wrote: > On Mon, Feb 9, 2015 at 11:12 AM, John R Pierce <pierce at hogranch.com> wrote: >> On 2/9/2015 11:06 AM, Always Learning wrote: >>> The third item was a 16.1 MB PDF of 1,344 pages. A quick scan of the PDF >>> shows every page appears to be readable. 11 pages devoted to BASH. Information on other interesting

Dear Ladies and Gentlemen, I have a fairly large database (N=13,000) and a single main categorical discriminator between the groups. I want to look at the time course of a number of continuous biochemical variables over chronologic age. Therefore I believe I need to prepare hexbinplots in two columns with simple regression lines in them (with useOuterStrips (in library(latticeExtra) if