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I'm working on a project where the distance between two polygons may be a poor measure of connectivity(contigious polygons that may have an impassible mountain chain between them. To get a better measure of distance I've used...

I'm having trouble un 'tar'ing the file ctest_0_9-3_tar.tar. When using the command "tar -xv" on a UNIX machine I get the "checksum error" message. When trying to use WinZip on a Win95 machine...

Yuri, Based on your brief description, we have already done this with bigmemory, and the ff package does something very similar but with emphasis on a wide range of atomic data types and data frame. Unless you are planning something...

I apologize in advance for probably missing something obvious, but if someone could point me in the right direction I'd be grateful. This NOTE is not unique to our package (I list a few others, below). Package bcp has...

Dear Sarah, On Thu, Mar 7, 2013 at 9:32 AM, Sarah Goslee <sarah.goslee at gmail.com> wrote: > That sounds like a job for path analysis or for structural equation > modeling, depending on the level of sophistication desired and...

On Mon, Mar 1, 2010 at 4:16 PM, Peter Dalgaard <p.dalgaard at biostat.ku.dk> wrote: >> >> Looks quite nice. I later realized that it would be a much better idea to >> start by tracing the highest resolution bitmap...

Dear Liviu, On Sat, Mar 19, 2011 at 4:09 AM, Liviu Andronic <landronimirc at gmail.com> wrote: > Hello Jay > >> > OT: Are you aware of working layout files for LyX, which would also > allow creating writing quizzes/exams via Sweave...

I've got a table of 1 row per observation. 16 questions * n subjects * 4 classrooms (2 teachers * 2 conditions) I'd like to run some simple regressions that look something like this: lm(length ~ elapsed) I'd like to...

It appears that fetch() gets only the first 500 rows by default. I don't see this in the documentation, but timeinfo <- fetch(rs) gets only 500 rows where timeinfo <- fetch(rs,n=-1) gets (correctly) 736 for the same...

I'm not positive of the question you are asking b/c I lost some of initial messages in thread but I think >predict(model, type="expected") gives fitted probabilities Apologies if I answered a question no one asked. On...

Dear Doug and Achim, On 3/25/09, Achim Zeileis <Achim.Zeileis at wu-wien.ac.at> wrote: > > Thanks for including us and advertising our package, Doug! > > Actually, we use our "exams" package to generate simple two-way ANOVA > examples...

By far the easiest way to achieve this would be to use the bigmemory C++ structures in your program itself. However, if you do something on your own (but fundamentally have a column-major matrix in shared memory), it should...

I've got a data set with integer codes from 0--3. I'd like a histogram with a single bar for 0, 1, 2 and 3. I'd like each of the 4 bars centered over a label. hist...

Dear Michael, On Sat, Nov 6, 2010 at 7:27 PM, michael <tufemichael at gmail.com> wrote: > Ted, > > ? ? ?Thanks for your help, it is right on the money! > > for your comments: > 1. Yes I mean 100 by 2, each variable...

G*Power 3 is free software for Mac and PC, see http://www.psycho.uni-duesseldorf.de/abteilungen/aap/gpower3/ Jay On 9/16/07, MATTHEW BRIDGMAN <m.bridgman at yahoo.com> wrote: > Is there a way to calculate power...

Package bcp does Bayesian changepoint analysis, though not in the general regression framework.? The most recent reference is Bioinformatics 24(19) 2143-2148; doi: ? 10.1093/bioinformatics/btn404; slightly older is JSS 23(3). Both reference some alternatives you might...

Version 2.2.0 of package bcp is now available.? It replaces the suggests of NetWorkSpaces (previously used for optional parallel MCMC) with the dependency on package foreach, giving greater flexibility and supporting a wider range of parallel backends (see...

Hello, So I have imported a shapefile into R, and ran the gw.cov function. Now I wish to export a sub set of this information back to arcgis for visualization. 1805 variables were created, of which a need 30...

Hi, I've been trying to install tkrplot and have been coming across this error. Loading required package: tcltk Loading Tcl/Tk interface ... Error : .onLoad failed in loadNamespace() for 'tcltk', details: call: dyn.load(file, DLLpath = DLLpath, ...) error: unable to...

I am having a problem with RODBC's connections. It appears that my connection to the database is closed by R automatically before I am done with it. Here is my code: foo <- function(dsn) { db <- odbcConnect(dsn) odbcSetAutoCommit(db...