similar to: Function to locate points in 3d octants or points on two axes

Hi Guru's... I have a set of points that may lie along any of the x, y and z axes in a Cartesian coordinate system. I am hoping that a function exists which will determine if any two selected points are on different axes, i.e, if the one of the points is on x and the other on y or z, not elsewhere on the x axis. Put another way, I need to determine if the triangle formed by the

Is there a simple way to decompose the upper triangle of a correlation matrix to a linear list; For example: X Y Z X 1 2 3 Y 2 1 4 Z 3 4 1 so you get a list like: xy 2 XZ 3 YZ 4 I suspect you can do it with a matrix transformation, but that beyond me at present. Many thanks Mark _________________________ Department of Molecular and Human Genetics, Baylor College of Medicine,

Hi Everyone, I have csv file which is in following format xmin,xmax,ymin,ymax,zmin,zmax I want to plot 3d graph with all the all octants being displayed as well. Any idea? I have used scatterplot3d package but it does not seem to have anything by which i can draw "octants" inside cube as well. Thanks [[alternative HTML version deleted]]

Dear all, I have a problem where I must represent points with XYZ coordinates changing over time. I will do a number of operations on this data such as calculating the YZ-projection distance of the points to the origin over time, the frequency spectrum of the X-T data etc. I am trying to find a good way of representing this data with an appropriate data structure. It appears like

Hi all. I'm working with a short plot (3x3 inches), but the results (via postscript command) are not nice. The lwd command don't affect the lines (that are very large) and the margins don't change using oma, mai, mar, ... Below I put an example. Moreover, save the graphics via postscript command isn't working well (see the attached ps). Thanks by the help, Cezar Freitas.

Dear R People: Hope you're having a nice day. Here is a character vector: > yz [1] "pexp(3.2,rate=1)" > str(yz) chr "pexp(3.2,rate=1)" > And I would like to evaluate that vector. I tried: > eval(as.expression(yz)) [1] "pexp(3.2,rate=1)" > But that doesn't work. Any suggestions would be most welcome. I have a feeling that it's quite

Dear All, The InstCombine pass performs the following transformation. Z / (X / Y) => (Y * Z) / X This is performed only when operand Op1 ( (X/Y) in this case) has only one use in future. The code snippet is shown below. if (match(Op1, m_OneUse(m_FDiv(m_Value(X), m_Value(Y)))) && (!isa<Constant>(Y) || !isa<Constant>(Op0))) { // Z / (X / Y) => (Y *

Hello, I have three numerical variables and I would like to test if their correlation is significantly different. I have seen that there is a package that "Test the difference between two (paired or unpaired) correlations". [https://www.personality-project.org/r/html/paired.r.html] However, there is the need to convert the correlations to "z scores using the Fisher r-z

Hello, I need to chenge axes orirentation in triangle plot. (function triangle.plot in ade4 package) I want to plot elasticities of some species in demographic triangle, where axes values commnly increace "clockwise". If some better imangination is needed, see http://www.open.ac.uk/science/biosci/personalpages/j.silvertown/pdfs/Silvertown%20et%20al.%201993.pdf I am sorry if I just

I want to create some 3D scatter plot with a diagonal line. In addition, I'd like to have those points plus the diagonal line projected to those three planes (xy, yz and xz). Which package can I use to achieve this, scatterplot3d or something else? Thanks, Gang [[alternative HTML version deleted]]

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I've written a function in R which takes a symmetrical matrix as input and processes all triplicate combinations of values from the matrix. The function looks something like: my_fun <- function(m) { if( nrow(mat) != ncol(mat) ) { stop("'m' must be a square matrix") } size <- nrow(m) for(x in 1:(size -2)) {

Thank you, but this now sounds more difficult: what would be the point in having these ready-made functions if I have to do it manually? Anyway, How would I implement the last part? On Thu, Mar 23, 2023 at 1:23?AM Ebert,Timothy Aaron <tebert at ufl.edu> wrote: > > If you are open to other options: > The null hypothesis is that there is no difference. > If I have two equations

A couple more general comments: 1. There shouldn't be any correctness issues removing one-use checks (the transform should be safe independently of use-counts). 2. Ideally, you can remove a m_OneUse() from the code and run 'make check' or similar, and you will see a regression test failure because we have a 'negative' test to cover that pattern. That should make it clear that

Hi! Windows Applications seem to run fine uder wine, but for any MSDOS-Application FILE, I get the following error: wine: can't exec 'FILE': invalid exe file Protocol error: process 0x806a100: partial recvmsg 0 for fd This happens regardless of winver/dosver (wine is called by 'wine --winver winxyz --dosver x.yz FILE'). What am I doing wrong? Do I need to start some kind of

I'm trying to use ROCR to create a simple cutoff vs recall plot (recall at p) on the example ROCR.simple dataset: library(ROCR) data(ROCR.simple) pred <- prediction(ROCR.simple$predictions, ROCR.simple$labels) perf <- performance(pred, "rec") plot(perf) But R crashes on me on the last line. I'm using R 2.14.1, ROCR 1.0-4. ?Any ideas? Thanks in advance. -- Yang Zhang

I'm dealing with classification problems, and I'm trying to specify a custom scoring metric (recall at p, ROC, etc.) that depends on not just the class output but the probability estimates, so that caret::train can choose the optimal tuning parameters based on this metric. However, when I supply a trainControl summaryFunction, the data given to it contains only class predictions, so the

Is your case the case mentioned in the subject or a different case? ~Craig On Sun, Jan 5, 2020 at 8:11 PM raghesh <raghesh.a at gmail.com> wrote: > Thanks Sanjay for your comments. > > So, if we want to add a transformation avoiding the one-use check, which > one is the ideal pass? Shall we do it in -aggressive-instcombine? I came > to know that if the pattern search

hello, Chris In the next several months, I will have a lot of spare time. I will be happy if you assign some work to me. I have learn linux kernel for years but only fix a few small bugs in IP stack. In the past few months, I read some EXT4/VFS codes. I began reading source of btrfs ten days ago and have read it twice now. Regards YZ

I have a 43MB dataframe ( 5 variables) and I'm trying to summarize subsets of the data. I've RTFM ( not very clear) and looked at a variety of samples but cant seem to figure out how to make these functions work. A sample of what I want to do would be this: ids<-seq(1,50) years<-c(rep(5,10),rep(6,10),rep(7,10),rep(8,20))

Hola, Deseo dibujar en tres dimensiones la siguiente función z= min( 1 - abs(x-0.7), 1 - abs(y-0.2)) en este dominio 0<= x <= y <=1 En el ejemplo que hay abajo, se dibuja para 0<=x<=1, 0<=y<=1. ¿Me pueden ofrecer alguna ayudita para dibujarla en el recinto 0<= x <= y <=1 ? Y si además me indican cómo dibujar las proyecciones (curvas de nivel) en los planos XY, YZ y