search for: iy

Displaying 20 results from an estimated 73 matches for "iy".

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2007 Nov 28
1
ifelse function
Hi there, I need help with IFELSE function. The column g of my dataset pth, pth$g consists of "aa", "ao", "dcl", "iy", "sh". The last few values of pth$g looks like: [4496] sh ao ao sh iy dcl dcl aa iy iy aa sh ao ao Levels: aa ao dcl iy sh I want to convert these values into 1,2,3,4,5. I tried to use a loop and I found the following statement did not work. > pth$g[1]<-ifelse(pth...
2012 Oct 20
2
Help with programming a tricky algorithm
Hi All, I'm a little stumped by the following problem. I've got a dataset with the following structure: idxy ix iy country (other variables) 1 1 1 c1 x1 2 1 2 c1 x2 3 1 3 c1 x3 . . . . . 3739 55 67 c7 x3739 3740 55 68 c7 x3740 where ix and iy are interger-valued indices...
2006 May 14
1
Dragable element
...method) a larger image - so effective its a detail viewer. But, ive come into problems. I can get the logic to work out exactly where the box is, but when i go to movve it, it works perfectly on the first go, but on subsequent moves it goes the wrong way?! My javascipt is... var oiX = 0; var oiY = 0; function setOldVars(){ oiX = $(''squ'').style.top; oiY = $(''squ'').style.left; iX = oiX.replace(''px'', ''''); iY = oiY.replace(''px'', ''''); //$(''ggggg'').innerHTML =...
2006 Apr 11
1
gaussian family change suggestion
...((family$link == "inverse" && all(y == 0)) || (family$link == "log" && all(y <= 0)))) stop( "cannot find valid starting values: please specify some") mustart <- y if (family$link=="log") { iy <- y<=0 if (sum(iy)) mustart[iy] <- min(y[!iy])*.5 } else if (family$link=="inverse") { iy <- y==0 if (sum(iy)) mustart[iy] <- min(abs(y[!iy]))*.5 } }) best, Simon >- Simon Wood, Mathematical Sciences, University of Bath, Ba...
2012 Mar 10
1
applying a function in list of indexed elements of a vector:
Hi, I have a vector Y1 <-c(8, 11, 7, 5, 6, 3, 6, 3, 3) and an index iy <-c(c(1, 2),c(1 2), c(1, 2, 3, 4), c(2, 3, 5), c(4), c(5, 6, 7), c(7, 8, 9)) how can I produce the mean, or the sum of the elements specified in the index iy from the vector Y1? expecting something like this for the sum: Y2 19 19 31 24 5 15 12 I thought lapply function may perform this, but...
2009 Aug 20
2
what is the meaning of this error
Error in Math.factor(c(2L, 1L, 1L, 1L, 1L, 3L, 1L, 1L, 1L, 1L, 1L, 1L,  :   log not meaningful for factors In addition:Warning messages: 1: In Ops.factor(LRUpBound, LRLowBound) : * not meaningful for factors 2: In Ops.factor(TransitCoefStdDev, TransitCoefMean) :   / not meaningful for factors [[alternative HTML version deleted]]
2007 Nov 17
5
Wine AppDB etiquette ?
Dont know if iys the done thing, but I contacted the writer of an app I maintain in AppDB, to point out that his app runs perfectly under Linux and Wine. Straught away he modified his webpage to include the fact, and a link to the AppDB page for his application. Cheers, Ron. -- I p...
2009 Mar 14
4
persp plot + plotting grid lines
Dear all; Does anyone know how to add grid lines to a persp plot? I've tried using lines(trans3d..) but the lines of course are superimposed into the actual 3d surface and what I need is something like the plot shown in the following link: http://thermal.gg.utah.edu/tutorials/matlab/matlab_tutorial.html I'll appreciate any ideas Thanks PM
1997 Jul 14
1
R-beta: Plotting: numeric 'col' colors; col=0, col=1, .. | Nice "funclet"
...butes ## ------------------------------------------------------------------------- ## Arguments: codes: integer codes for pch & col ## ------------------------------------------------------------------------- ## Author: Martin Maechler, Date: 14 Jul 97, 11:44 ix <- codes %/% 10 iy <- 10 - codes %% 10 if(!exists(".Device") || is.null(.Device)) x11(height=9) init plot(ix, iy, type='n', xlim = range(ix) + .15*c(-1,1), yaxt = 'n', xlab = 'floor( i / 10 )', ylab = ' i MOD 10', main = "points(...., pch...
2009 Jun 05
1
Antialiasing plots and text on different devices
...symbols : points (... pch = *, cex =", cex,")")) { nex <- length(extras) np <- 26 + nex ipch <- 0:(np-1) k <- floor(sqrt(np)) dd <- c(-1,1)/2 rx <- dd + range(ix <- ipch %/% k) ry <- dd + range(iy <- 3 + (k-1)- ipch %% k) pch <- as.list(ipch) # list with integers & strings if(nex > 0) pch[26+ 1:nex] <- as.list(extras) plot(rx, ry, type="n", axes = FALSE, xlab = "x-axis label", ylab = "y-axis label", main = main)...
2011 Jun 08
0
PS to Taking Integral and Optimization using Integrate() and Optim()
Hello again. Thank you for the comments. I have written these codes. iy=function(x) { res=NULL ress=0 for (i in (1:2)) { for (xx in x[i]) { fy=function(y) (exp(-exp(y+log(xx)))*(-exp(y+log(xx)))^2)/(1-exp(-exp(y+log(xx)))) res=c(res,integrate(fy,-6.907,-1.246)$value) ress=ress+res } } return(ress) } iy(c(1,1)) integrate(fy,-6.907,-1.246)$value In 1D optimize() works p...
2018 Jul 25
2
Question about target instruction optimization
...> should ignore it until you have a working compiler. > > As far as two registers getting the same value, that should be picked > up by common subexpression elimination in the optimiser anyway. > > You might want to consider having a pseudo-instruction for LD > {BC,DE,HL,IX,IY},{BC,DE,HL,IX,IY} (all combinations are valid except > those containing two of HL,IX,IY). You could expand this very late in > the assembler, or during legalisation. > > > On Wed, Jul 25, 2018 at 10:42 AM, Michael Stellmann via llvm-dev > <llvm-dev at lists.llvm.org <mail...
2005 Jan 03
2
Memory Efficient Methods for Building Matrix
Dear List: I am having to build a block-diagonal matrix (vl) and am currently using the following code. I<-diag(sample.size) vl<-kronecker(I,vl.mat) This code works fine, but for large N, it is a huge memory hog. Is there a more efficient method for constructing vl? Thanks, Harold [[alternative HTML version deleted]]
2002 Apr 18
2
Changing tick mark labels
Hello, Can anyone help me out with this problem? After performing logistic regressions and testing the significance with likelihood ratios, I have plotted the results using "termplot". I am wondering, how to get the names of my variables to appear on the x-axis rather than ascending numbers? I have used: termplot(fm, se=T, axes=FALSE, col.se="black") axis(1, 1:4,
2018 Jul 21
2
Finding scratch register after function call
For a Z80 backend, "eliminateCallFramePseudoInstr()" shall adjust the stack pointer in three possible ways, e.g. after a function call, depending on the amount (= adjustment size) *and some other rules*: 1. via one or more target "pop <reg>" instructions (SP increments +2 per instruction), using an unused reg (disregarding the contents after the operation), followed
2008 Aug 21
1
order(x,y, decreasing = c(FALSE, TRUE)) - how / elegantly?
...## ---------------------------------------------------------------------- ## Arguments: x,y: vectors of the same length ## ---------------------------------------------------------------------- ## Author: Martin Maechler, Date: 21 Aug 2008 ix <- order(x) xx <- x[ix] iy <- tapply(y[ix], xx, order, decreasing = TRUE) ## Note: 'SIMPLIFY', 'USE.NAMES', 'use.names' are just for efficiency: unlist(mapply(`[`, split(ix,xx), iy, SIMPLIFY = FALSE, USE.NAMES = FALSE), use.names = FALSE) } x <- c(1, 1, 2,...
2018 Jul 25
2
Question about target instruction optimization
This is a question about optimizing the code generation in a (new) Z80 backend: The CPU has a couple of 8 bit physical registers, e.g. H, L, D and E, which are overlaid in 16 bit register pairs named HL and DE. It has also a native instruction to load a 16 bit immediate value into a 16 bit register pair (HL or DE), e.g.: LD HL,<imm16> Now when having a sequence of loading two 16
2011 Dec 16
0
crash in using Rcpp and inline packages.
...ength0); NumericVector bincout(binlength); NumericVector binsum(binlength); int nfocal=fx.size(); int ntotal=x.size(); double dist =0.0; double ibin = 0.0; double lpd = 0.0; typedef NumericVector::iterator vec_iterator; vec_iterator ifx = fx.begin(), ify = fy.begin(); vec_iterator ix= x.begin(), iy = y.begin(); vec_iterator ifsp = fsp.begin(), isp = sp.begin(); for (int i = 0; i < nfocal; i++){ for (int j= 0; j < ntotal; j++){ dist=pow(pow(ix[j]-ifx[i],2)+pow(iy[j]-ify[i],2),0.5); if(dist == 0.0 || ifsp[i]==isp[j] || dist > rmax ){ continue;...
2011 Dec 16
0
Fw: crash in using Rcpp and inline packages.
...ength0); NumericVector bincout(binlength); NumericVector binsum(binlength); int nfocal=fx.size(); int ntotal=x.size(); double dist =0.0; double ibin = 0.0; double lpd = 0.0; typedef NumericVector::iterator vec_iterator; vec_iterator ifx = fx.begin(), ify = fy.begin(); vec_iterator ix= x.begin(), iy = y.begin(); vec_iterator ifsp = fsp.begin(), isp = sp.begin(); for (int i = 0; i < nfocal; i++){ for (int j= 0; j < ntotal; j++){ dist=pow(pow(ix[j]-ifx[i],2)+pow(iy[j]-ify[i],2),0.5); if(dist == 0.0 || ifsp[i]==isp[j] || dist > rmax ){ continue;...
2008 May 31
2
How to identify overlapped items from two list and plot them?
Hi list, I have a question on how to identify the overlapped items from two vectors: >x<-c(0,1,2) >y<-c(1,2,2,3) and plot the number of the overlapped as well as non-overlapped in a diagram? Thanks much, Allen [[alternative HTML version deleted]]