search for: ox1

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2002 Aug 29
0
yet another MDCT question
mdct.c, lines 436 onward (part of mdct_backward) state { DATA_TYPE *oX1=out+n2+n4; DATA_TYPE *oX2=out+n2+n4; DATA_TYPE *iX =out; T =init->trig+n2; do{ oX1-=4; oX1[3] = MULT_NORM (iX[0] * T[1] - iX[1] * T[0]); oX2[0] = -MULT_NORM (iX[0] * T[0] + iX[1] * T[1]); oX1[2] = MULT_NORM (iX[2] * T[3] - iX[3] * T...
2013 May 21
1
Calculating AIC for the whole model in VAR
Hello! I am using package "VAR". I've fitted my model: mymodel<-VAR(mydata,myp,type="const") I can extract the Log Liklihood for THE WHOLE MODEL: logLik(mymodel) How could I calculate (other than manually) the corresponding Akaike Information Criterion (AIC)? I tried AIC - but it does not take mymodel: AIC(mymodel) # numeric(0) Thank you! -- Dimitri Liakhovitski
2006 May 22
4
Sys.setlocale upsets windows graphics device (PR#8887)
Full_Name: Edward McNeil Version: 2.3.0 OS: Widows XP Submission from: (NULL) (203.170.234.5) Type the following: > Sys.setlocale("LC_ALL","C") > hist(1:10) CRASH
2013 Jun 05
1
rJava is not loading
Hello! I installed rJava and am trying to load it. library(rJava) Error : .onLoad failed in loadNamespace() for 'rJava', details: call: fun(libname, pkgname) error: No CurrentVersion entry in Software/JavaSoft registry! Try re-installing Java and make sure R and Java have matching architectures. Error: package or namespace load failed for ‘rJava’ Any idea why? Background info:
2008 Jul 18
5
Reading SPSS .por files
Does anyone know how to read SPSS .por (ie Portable) files? The foreign package only deals with SPSS .sav files and not with those with a "por" extension. Thanks, José Mr José Luis Iparraguirre D'Elia Senior Research Economist Economic Research Institute of Northern Ireland Floral Buildings 2 - 14 East Bridge Street Belfast BT1 3NQ Northern Ireland United Kingdom
2008 Mar 17
3
contextstack overflow
Hi all, I´m an absolute beginner in R programming…I have a really long R-code with many variables. When I run the program I always get an error at the same place called “contextstack overflow”. Does anybody know what to do in this case? Are there so strict limitations in R? If yes, is it possible to handle it? How? Thank you for any help! [[alternative HTML version deleted]]
2006 Sep 15
2
prediction interval for new value
Hi, 1. How do I construct 95% prediction interval for new x values, for example - x = 30000? 2. How do I construct 95% confidence interval? my dataframe is as follows : >dt structure(list(y = c(26100000, 60500000, 16200000, 30700000, 70100000, 57700000, 46700000, 8600000, 10000000, 61800000, 30200000, 52200000, 71900000, 55000000, 12700000 ), x = c(108000, 136000,
2006 Jan 12
4
edit.data.frame
Dear list, Sometimes I have huge data.frames and the small spreadsheetlike edit.data.frame is quite handy to get an overview of the data. However, when I close the editor all data are rolled over the console window, which takes time and clutters the window. Is there a way to avoid this? Fredrik
2004 Sep 27
8
cannot assign dimnames
...es to matrices or arrays I would be most grateful for help. I've tried various permutations of likely-looking code but get error messages every time. I could find no example in the documentation. Many thanks, Dan Bebber Department of Plant Sciences University of Oxford South Parks Road Oxford OX1 3RB UK Tel. 01865 275000
2002 Aug 30
4
(PR#1964) The attached function working fine with R 1.3.0 but giving problem with R 1.5.1 (PR#1964)
...; > 1/max(w) > > } > -- Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body",...
2004 Aug 09
4
hclust-segmentation fault
I am getting the "Segmentation fault" when using hclust in R-1.9.1 running under SuSe 9.0 64-bit kernel on a dual opteron system with 8G of RAM. I was wandering if anybody could offer any insight? Thanks, mario.
2007 May 01
1
creating eps files
...e no idea what this compositor is talking about. Do people have similar experience? And is there an option in the dev.copy2eps() that I could use to fix this problem? Many thanks for any suggestion. Best, Wing dept addr: Department of Sociology, University of Oxford, Manor Road, Oxford OX1 3UQ, UK college addr: New College, Holywell Street, Oxford OX1 3BN, UK dept tel: +44 (1865) 286176; college tel: +44 (1865) 279593 http://users.ox.ac.uk/~sfos0006
2006 Oct 19
2
How to get multiple Correlation Coefficients
Hi I have used a polycor package for categorical correlation coefficients. I run the following script. But there were no results. Could you tell me how to correct the script? Thanks in advance, vars <- names(sdi) for (i in 1:length(vars)) { for (j in 1:length(vars)) { paste(vars[i]," and ", vars[j]) polychor(vars[i], vars[j]) # corr } } -- Kum-Hoe Hwang, Ph.D.Phone :
2003 Apr 11
1
lattice bug? (PR#2765)
...ata=parent.frame(). Should it? Apologies if this is something known, or if I'm doing something wrong! I'm using R 1.6.2 under Windows 2000 Pro and lattice Version: 0.7-1 Date: 2003/03/15. Thanks, David =================================================== David Barron Jesus College Oxford OX1 3DW 01865 279684
2002 Jun 28
1
package `methods' has persistent effects even if detached (PR#1715)
...ding is that this should not happen. -- Brian D. Ripley, ripley@stats.ox.ac.uk Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272860 (secr) Oxford OX1 3TG, UK Fax: +44 1865 272595 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body",...
2005 Mar 22
1
documentation on seek *does not* need update
...rs. > > -- > Brian D. Ripley, ripley@stats.ox.ac.uk > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 >
2003 Mar 27
4
Multinomial logistic regression under R and Stata
...fferent from zero, I trust I can ignore the difference between the estimates. Or could I? Many thanks in advance for any help. Please let me know if I should provide further info. With best wishes. Wing -- Department of Sociology, University of Oxford, Littlegate House, St Ebbes, Oxford OX1 1PT, UK tel: +44 (1865) 286176, fax: +44 (1865) 286171 http://users.ox.ac.uk/~sfos0006
2002 Aug 24
3
link my own C library using Rcmd SHLIB
Hi All, I have already used gcc to creat a library, for example, it is called "test.a", which includes many c objects. How to link my main "a.c" function to this library when I used Rcmd SHLIB to complier my main c program? I tried "Rcmd SHLIB a.c test.a". It does not work this way. Does anyone have idea about this? Thanks, Xiaoping
2004 May 12
2
Extracting data from matrices
...s a faster way that doesn?t involve loops. If anyone knows the way I would be most grateful. Below is the code I am using at present- for (i in 1:n){ W[i]<-P[V[i],i]} Many thanks, Dan Bebber ____________________________ Department of Plant Sciences University of Oxford South Parks Road Oxford OX1 3RB UK Tel. 01865 275060 Fax. 01865 275074
2005 Nov 11
3
R on Windows XP x64
Hi, I am running R 2.2.0 on the Windows XP x64. The mechanism of error hanlder seems different. It will take a very long time to pop up a error message diaglog box, even when some simple errors happen such as "Syntax error" or "object xxxx not found". Does anybody have the similar experience? Thanks a lot. BTW: everything works fine under 32-bit Windows XP, error messages