similar to: percentage sign in expression

Readers, I have entered a file into r: ,column1,column2 row1,0.1,0.2 row2,0.3,0.4 using the command: dataframe<-read.table("/path/to/file.csv",header=T,row.names=1) When I try the command: dataframe[,2] I receive the response: NULL I was expecting: row1 0.2 row2 0.4 What is my error with the syntax please? Yours, r251 mandriva2009

Readers, Data was imported using the read csv command: dataimport<-read.csv("/path/to/dataimport.csv") 10,2000 12,2001 13,2002 15,2003 17,2004 Using the help contents for 'predict.lm' (i.e. ?predict.lm) a new data frame was created dataimportextra<-data.frame(x=seq(1990,2010,1)) predict(lm(dataimport),dataimportextra[,2],se.fit=TRUE)

I want to put the "plus or minus" symbol into a character variable, so that this can be turned into a factor and be displayed in the "strip" of a faceted ggplot2 plot. A very nice solution, thanks to Professor Ripley's post of Nov 16, 2008; 3:13pm, visible at http://r.789695.n4.nabble.com/Symbols-to-use-in-text-td874239.html and subsequently

A student entered some data with text characters like epsilon and alpha. On her Windows system, the Greek letters did not display properly in a plot. There were some ordinary ASCII instead. I asked her to send me the code so I could test. For me, the plot looks ok on the screen. Format1 <- c(320,500,700,1000,500,320,700,500,320) Format2 <- c(800,1000,1150,1400,1500,1650,1800,2300,2500)

Readers, I tried to the following commands: plot(y~x,ylab=expression(A[1]~B[2],xlab=expression(C~D)) mtext(expression(A[1]~B[2]),"additional text",side=3,line=1) I receive the text that I want, but the command terminal shows the following response: Warning message: NAs introduced by coercion in: mtext(expression(A[1]~B[2]),"additional text", side = 3, What is my mistake

Dear list, I read in ?plotmath that I can use bgroup to draw scalable delimiters such as [ ] and ( ). The same technique fails with < > however, and I cannot find a workaround, grid.text(expression(bgroup("<",atop(x,y),">"))) Error in bgroup("<", atop(x, y), ">") : invalid group delimiter Regards, baptiste sessionInfo() R version

Dear list, I read in ?plotmath that I can use bgroup to draw scalable delimiters such as [ ] and ( ). The same technique fails with < > however, and I cannot find a workaround, grid.text(expression(bgroup("<",atop(x,y),">"))) Error in bgroup("<", atop(x, y), ">") : invalid group delimiter Regards, baptiste sessionInfo() R version

Hi there, We are trying to compile a 64bit version of R (2.5.1) on HP-UX (B.11.23 U ia64), but are running into some problems. This is our configure step: ../configure --prefix=/rnd/homes/lfan/R251 --enable-R-shlib CC="cc" CFLAGS="+z +DD64" CXX="aCC" CXXFLAGS="-b -lxnet +z +DD64" FC="f90" FCFLAGS="+DD64" F77="f90"

There have been spasmodic reports of symbols such as pi and infinity in plotmath being reproduced incorrectly on the X11 device on some Linux systems (at least Ubuntu 10 and Fedora 12/13), and we've managed to track down one cause whilst investigating PR#14355. Some systems have Wine and hence the Wine symbol font installed. 'fontconfig', which is used by cairographics in

Readers, I am trying to use the zoo package with an array of data: file1: hh:mm:ss 1 hh:mm:ss 2 hh:mm:ss 3 hh:mm:ss 4 file2: hh:mm:ss 11 55 hh:mm:ss 22 66 hh:mm:ss 33 77 hh:mm:ss 44 88 I wanted to merge these data set so I tried the following commands: library(chron) library(zoo) z1<-read.zoo("path/to/file1.csv",header=TRUE,sep=",",FUN=times)

Readers, I have been reading 'the r book' by Crawley and think that the generalised additive model is appropriate for this problem. The package 'gam' was installed using the command (as root) install.package("gam") ... library(gam) > library(gam) Loading required package: splines Loading required package: akima > library(mgcv) This is mgcv 1.3-25 Attaching

Readers, For a data set 'x': 1 a 2 b 3 c 4 d 5 e 6 f 7 g 8 h 9 i How to select multiple subscripts to plot? For example to plot values 1:3 and 9:10: plot(x[1:3,1],x[,2]) and plot(x[9:10,1],x[,2]) into one plot? Yours, rhelpatconference.jabber.org r251

Hello All, I've been using R for a while and decided to test R from the svn trunk. I know that trunk is not stable, but I wanted to see if I can install and run the latest rpy on my Ubuntu 7.10 box. It installed ok, but I got the runtime error message: $ python Python 2.5.1 (r251:54863, Mar 7 2008, 04:10:12) [GCC 4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)] on linux2 Type

Readers, I have tried to use a plotmath command to add the temperature degree sign (i.e. ? C) to the axis label of a graph: > x<-(1:10) > y<-(200:191) > plot(x~y,ylab=expression(*degree~C)) Error: syntax error, unexpected '*', expecting ',' in "plot(x~y,ylab=expression(*" According to plotmath manual, the syntax is '*degree' and I am able to use

Readers, Previous questions about this requirement have been for m$ users, my failure occurs using linux. I have tried to add the delta (?) symbol to the y axis label and the result is &D, using the command: ...ylab="?t"... Any advice please? rhelp at conference.jabber.org mandriva 2008 r 251 (27-06-07)

Hi, I'm trying to understand whether the use of substitute() is appropriate/documented for plotmath annotation. The following two calls give the same results: > plot(1:10, main = expression(alpha == 1)) > do.call(plot, list(1:10, main = expression(alpha == 1))) But not these two: > plot(1:10, main = substitute(alpha == a, list(a = 2))) > do.call(plot, list(1:10, main =

dear R wizards: I would like to write a function that roughly places the equivalent of the following latex text into the current plot: \newcommand{ \placesigma }[4]{ \put(\#1,\#2){ \sigma_{A , #3} = #4 } I cannot figure out how to do this. I know I have to use a function that uses expressions in a text() invoke. But passing arguments and nesting strings and expressions has so far not

Hello, I have a problem with the plotmath facility and haven't found any solution in the FAQ and Online-Help. I am trying to incorporate the value of a variable in an expression for an axis with plotmath. Considering having > gamma <- 10 I'd like to have a plot with > plot( .... , xlab=expression(gamma==10)) but depending on the true value of the variable. How can I

I would like to use greek "tau" as a symbol of variable to integrate over in plotmath expression(integral(f(tau)*dtau, 0,t)) but nothing seems to work. I tried d{\tau}, d\tau, etc., without any success Is it possible? How can I accomplish this? Best regards, Ryszard -------------------------------------------------------------------------- Confidentiality Notice: This message is

Hello, I've been trying to plot a subscript in a text formula using plotmath but I haven't been able to do so. In my example below I would like the text label to show X[min] = 10.1 +/- 5.5 Here is the code: ll <- c(x=10.1, sde=5.5) plot(1:10) text(x=9, y=2, pos=2, expression(paste(X[min], "=", paste(ll, collapse="+/-")))) This works fine up to the inner paste