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296 results for “from:Karl Ove Hufthammer”

as.numeric(".") returns 0
Karl Ove Hufthammer · Jun 12, 2008 · r-help

Paul Johnson: > In R version 2.7.0 (2008-04-22) as.numeric(".") returns zero. > >> as.numeric(".") > [1] 0 Seems to be fixed already. In R version 2.7.0 Patched (2008-06-12 r45898): $ as.numeric(".") [1] NA Warning...

inside p value 'e'
Karl Ove Hufthammer · Jul 25, 2011 · r-help

Dieter Menne wrote: >> I have like 5.075e-12 , 3.207e-05, 7.438e-07 and 9.393e-08 *** , i dont >> know what number they are > > http://en.wikipedia.org/wiki/Floating_point Or use ?format? in R. Example: format...

R 2.12.0 and rgdal
Karl Ove Hufthammer · Oct 18, 2010 · r-sig-geo

Dear list members. I have just updated to R 2.12.0, and see that the ?rgdal? package isn?t available for installing from CRAN. Is it just a matter of time before it?s available, or are there some...

Space character introduced bu paste
Karl Ove Hufthammer · Jun 5, 2008 · r-help

tolga.i.uzuner at jpmorgan.com: >> charlist<-c("a","b","c") >> lapply(charlist, function (y) paste("'",y,"'")) Use 'sep=""'. And using 'sapply' instead of 'lapply' gives a nicer input. The following works. $ sapply(charlist, function(y) paste("'",y,"'", sep="")) a...

Thougt I understood factors but??
Karl Ove Hufthammer · Mar 2, 2010 · r-help

On Mon, 1 Mar 2010 14:23:04 -0500 Liaw, Andy <andy_liaw at merck.com> wrote: > Indeed this is one of the (few, I believe) traps of R, Oh, no; there are many more: http://www.burns-stat.com...

Fitting chi-squared distribution
Karl Ove Hufthammer · Jan 8, 2010 · r-help

On Fri, 8 Jan 2010 14:39:34 +0100 Trafim Vanishek <rdapamoga at gmail.com> wrote: > I would like to ask if there is a simple was in R to fit the chi-squared > distribution to the empirical data? Sure...

Quiz: Who finds the nicest form of X_1^\prime?
Karl Ove Hufthammer · Apr 13, 2011 · r-help

Marius Hofert wrote: > Haha, I found a hack (using the letter "l"): > > plot(0,0,main=expression(italic(X)[1]^bolditalic("l"))) Why cheat when you can use a *real* prime character: plot(0, 0, main=expression(paste(italic(X...

How to compute Rolling analysis of Standard Deviation using ZOO package?
Karl Ove Hufthammer · Nov 27, 2009 · r-help

On Fri, 27 Nov 2009 15:19:11 +0800 Saji Ren <saji.ren at gmail.com> wrote: > I want to get a rolling estimation of the stdev of my data. There is a 'runsd' in the 'caTools' package which does...

optim error
Karl Ove Hufthammer · Jun 1, 2008 · r-help

keunhchoi at gmail.com: > p0<- c(f=0.87, b=0.1, c=150) > f<-p[1]; b<-p[2]; c<-p[3] Do *not* redefine the meaning of the function c() to 150, or to p[3]. If you...

Different axis limits for each facet in ggplot2
Karl Ove Hufthammer · Jul 17, 2007 · r-help

hadley wickham: >> Is it possible to have different axis limit for each facet in a ggplot2 >> plot? Here is an example: > > Not yet, although it is on the to do list. Thanks for the answer. I?ll be looking forward...

** operator
Karl Ove Hufthammer · May 16, 2008 · r-devel

Peter Dalgaard: > Not really, just transcribed during the lexical analysis phase: > > case '*': > if (nextchar('*')) > c='^'; > yytext[0] = c; > yytext[1] = '\0'; > yylval = install(yytext); > return c; > > (There's no "->" function either...) You can also use expression() to see what various...

text mining analysis and word visualization of pdfs
Karl Ove Hufthammer · May 18, 2011 · r-help

Ajay Ohri wrote: > What is the appropriate software package for dumping say 20 PDFS in a > folder, then creating data visualization with frequency counts of > certain words as well as measure correlation within each file for > certain key relationships or...

two questions for R beginners
Karl Ove Hufthammer · Mar 1, 2010 · r-help

On Fri, 26 Feb 2010 11:56:10 -0800 (PST) Jack Siegrist <jacksie at eden.rutgers.edu> wrote: > What I think would be very helpful is an introduction to programming using > R Here you are: A First Course in Statistical...

lint for R? and debugging
Karl Ove Hufthammer · Feb 16, 2010 · r-help

On Tue, 16 Feb 2010 08:00:09 -0500 Esmail <esmail.js at gmail.com> wrote: > And along the same lines, any type of interactive debugging > utility for R? See this article in R News: 'Debugging Without (Too Many) Tears...

Border width on symbols plotted with the lattice package
Karl Ove Hufthammer · Feb 10, 2013 · r-help

ilai skreiv: > Like this ? > xyplot(4:5~4:5, groups=4:5, lex = 5 , > par.settings = simpleTheme(cex=10, pch=21, lwd=5), > auto.key=TRUE) Thanks, both David and ilai. The ?lex? solution seems to work very well. -- Karl...

Pausing R
Karl Ove Hufthammer · Oct 19, 2009 · r-help

In article <fb7c7e870910190551i5fb96074t76f2c800e3e5cf33 @mail.gmail.com>, r.m.krug at gmail.com says... > I am not - I am using Linux. > > Just for interests sake: how can I pause a task in Linux? If you start the application using the command...

Choosing the number of colour breaks in ggplot2
Karl Ove Hufthammer · Jul 15, 2007 · r-help

Fredag 13. juli 2007 skreiv hadley wickham: > There's no official way to do it, but you can "hack" the colour > gradient scale to do what you want: > > # Create a modified scale > gr <- scale_fill_gradient2()$clone() > gr$breaks <- function...

Three most useful R package
Karl Ove Hufthammer · Mar 3, 2010 · r-help

On Wed, 3 Mar 2010 09:26:32 +0100 Karl Ove Hufthammer <karl at huftis.org> wrote: > > 1) What are your 3 most useful R package? and > > plyr > ggplot2 > lattice And since 'lattice' already is in the 'recommended' set, and...

Newb question re. read.table...
Karl Ove Hufthammer · Mar 4, 2010 · r-help

On Thu, 4 Mar 2010 11:34:49 +1300 Rolf Turner <r.turner at auckland.ac.nz> wrote: > There are various ways to access components of a data frame: > > * plot(con$rel,con$len) > * plot(con[["rel"]],con[["len"]]) > * plot...

significant digits (PR#9682)
Karl Ove Hufthammer · Jun 4, 2008 · r-devel

Duncan Murdoch: > The number 0.12345 is not exactly representable, but (I think) it is > represented by something slightly closer to 0.1235 than to 0.1234. I like using formatC for checking such things. On my (Linux) system, I...

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