similar to: write.csv with append = TRUE

I use by() to generate a summary statistics like so: Lbys <- by(dat[Nidx], dat$LipTest, summary) where Nidx is an index vector with names picking out the columns in the data frame dat. This returns a list of character arrays (see below for str() output) where the columns are named correctly but the rownames are empty strings and the values are strings prepended with the summary

plot.ts has an argument yax.flip, plot.zoo does not. Is there a way to make the yaxis flip in plot.zoo? I tried using a custom panel function: panel.yaxis<-function(...) { npnl<-parent.frame$panel.number if (npnl %% 2 == 0) { axis(side=3) } else { axis(side=2) } } This leads to a blank window. I am stuck with the intricacies of the plotting and axis

I have to decode raw vectors read from a connection like this: +++++++++++++++++++ fl<-file.choose() fb<-file.info(fl)$size fc<-file(fl) open(fc,open='rb') seek(fc,where=offset) dat<-readBin(fc,'raw',n=(fb-offset),size=1,signed=FALSE) close(fc) ++++++++++++++++++ The decoding performs a combination of a simple bitwise operator and a simple arithmatic operator on

panel.lmline returns intercept and slope of y ~ x subsetted to the combination of conditioning factors given to xyplot in lattice. for instance: xyplot(Xvalues ~ log(Qvalues)|Tfac, data = df7, panel = panel.lmline) I am looking to find the equivalent formulation for lm() proper. If I do this: lmcal <- lm(Xvalues ~ log(Qvalues):Tfac, data = df7) Only one value of the intercept is returned.

I cannot figure out how to tune the minor tic marks on the date axis of a zoo plot. I read hundreds of CSV files from a zip archive transparently. The time/date strings I convert to POSIXct format, order them and then make a zoo object as there may be cases which have unequal time stamping. As follows: ###################### #Transform timestamps and reorder them dat <- transform(dat,

Reading a flat text file 138 Mbyte large into R with a combination of scan (to get the header) and read.table. After conversion of text time stamps to POSIXct and conversion of integer codes to factors I convert everything into one data frame and release the old structures containing the data by using rm(). Strangely, the rm() does not appear to reduce the used memory. I checked using

Hello. Me again. Have you tried to encode piano solo? Noticed high bitrate Opus gave? And there's also artefact at 15kHz which wasn't in the original audio. Visible with Spek program. Download FLAC and Opus both files, new link: http://www.filedropper.com/example_3 FLAC full: 1084 kbps; FLAC solo: 465 kbps. with --bitrate 160: Opus full: 158 kbps; Opus solo: 190 kbps. Included also Spek

I can get the interactions between factors like this: > idx=c(1,3,6,9) > jdx=idx > levels(interaction(idx,jdx,lex.order=TRUE)) [1] "1.1" "1.3" "1.6" "1.9" "3.1" "3.3" "3.6" "3.9" "6.1" "6.3" "6.6" "6.9" [13] "9.1" "9.3" "9.6"

I cannot understand why a function appears to be available to R (is.loaded('planckwR') returns TRUE) but the call with .C results in an error message: C symbol name 'planckwR' not in DLL for package <path to DLL file here> This is what I do: Loading a homebrewed DLL, compiled with MS VS97. The functions are all void, the C calling sequence is used and all arguments

I am trying to add 2 stdev error bars to lattice type plots: panel.ebar<-function(x,y,dy=NULL,...) { panel.xyplot(x,y,...) panel.segments(x,y-dy,x,y+dy,...) } Then: xyplot(y~x|fc,data=dat,dy=dat$dy,panel=panel.ebar) This adds error bars but they are not conditioned on the factor fc. xyplot(y+I(y-dy)+I(y+dy)~x|fc,data=dat) This produces 3 series of points in different colors, conditioned

Hi, I just downloaded this and it says it's based on RC1 in the about box. Is that a typo or is the plug-in not updated? Olaf van der Spek Almere, Holland Olaf@XCC.TMFWeb.NL http://xcc.tiberian.com/ --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-request@xiph.org'

Hi, This one adds shortcuts to the pop up menu. -- Olaf van der Spek http://xcc.tiberian.com/ Index: Script.rc =================================================================== RCS file: /usr/local/cvsroot/win32-tools/oggdrop/Script.rc,v retrieving revision 1.5 diff -r1.5 Script.rc 77c77 < POPUP "Bitrate" --- > POPUP "&Bitrate" 88c88 <

Hi, It's nice to see my patch in action. Who made the "Save Quality" dialog box? I think it should also contain the bitrate itself as a reference. Olaf van der Spek Almere, Holland Olaf@XCC.TMFWeb.NL http://xccu.sourceforge.net/ http://xcc.tiberian.com/ <p>--- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To

I am choosing a file like this: #Bring up file selection box fn<-file.choose() fp<-file.path(fn,fsep='\\') Unfortunately, the file path contains the short file name and extension as well. I had hoped to get only the path so I could make my own long filenames (for output graphs) by concatenation with this file path. Of course I can split the string and assemble the components from

A Windows 2000 Server is a member server of the domain. The domain server is CentOS 4.5 with all updates and Samba 3.0.24 built using the packaging/RHEL/makerpms.sh script. The W2k server is opening this file on the samba server. This problem started several versions of CentOS and Samba ago, and I did the upgrades thinking it would fix it. It did not. It seems to be "locking" or

First time ever that I try to call subroutines in a Win DLL using R. Have done this before using VBA and Python. The C code's function argument list contains only double pointers (double *x). The function is declared void, the output value is one of the arguments. C calling sequence is used. When inspecting the exports of the DLL with dumpbin I can see that the function I need is

Hi, I've got some (seven) Ogg Vorbis files with a total size of 18637246 bytes. When I use bzip2 to compress these files, the total size is 16949443. That's 10% less. Is bzip2 supposed to be able to compress Ogg Vorbis files further? If not, are these files encoded with wrong settings? If so, why is there no option to use bzip2 with Ogg Vorbis by default? Olaf van der Spek Almere,

I read records using scan: dat<-data.frame(scan(file="KDA.csv",what=list(t="%m/%d/%y %H:%M",f=0,p=0,d=0,o=0,s=0,a=0,l=0,c=0),skip=2,sep=",",nmax=np,flush=TRUE,na.strings=c("I/OTimeout","ArcOff-line"))) which results in: > dat[1:5,] t f p d o s a l c 1 1/21/09 5:01 16151 8.2 76 30 282 1060 53 7 2 1/21/09 5:02

I'm having a problem with aggregate.formula when I call it in a function and the function is converted from a string in the funtion I think my problem may also only occur when the left hand side of the formula is cbind(...) Here is example code that generates a dataset and then the error. The first function "agg2" fails > agg2(FALSE) do agg 2 Error in m[[2L]][[2L]] : object

I'm attempting to select a model using stepAIC. I want to use a forward selection procedure. I have specified a "scope" option, but must not be understanding how this works. My results indicate that the procedure begins and ends with the "full" model (i.e., all 17 independent variables)...not what I expected. Could someone please point out what I'm not