similar to: Plotting sigma symbol with unicode and turning into pdf

I'm trying to annotate a density plot and I'm using bquote to paste the sigma symbol next to the numeric text of the standard deviation calculation that I am performing. I have been able to successfully turn the sigma symbol and numeric output the color blue, but when I try to change the font of the text to bold, R doesn't seem to recognize the "font=" command in the same way

I'm trying to annotate a density plot and I would like to have R calculate the standard deviation and place it in the plot next to the standard deviation symbol "sigma". I can successfully use the text command to paste "StDev =",round(sd(Data),digits=3)) on the plot. However, I have trouble when I want to replace "StDev" with the Greek symbol sigma (See code

Hi all, myint=function(mu,sigma){ integrate(function(x) dnorm(x,mu,sigma)/(1+exp(-x)),-Inf,Inf)$value } mymu=seq(-3,3,length(1000)) mysigma=seq(0,1,length(500))[-1] k=1 v=c() for (j in 1:length(mymu)) { for (i in 1:length(mysigma)) { v[k]=myint(mymu[j],mysigma[i]) k=k+1 } } Basically, I want to investigate for what values of mu and sigma, the integral is divergent. Is there another way

I am new to R and I am trying to do a monte carlo simulation where I generate data and interject error then test various cut points; however, my output was garbage (at x equal zero, I did not get .50) I am basically testing the performance of classifiers. Here is the code: n <- 1000; # Sample size fitglm <- function(sigma,tau){ x <- rnorm(n,0,sigma) intercept <- 0 beta

Dear R users: 1. Is there a function which fits to the data the t-student distribution with parameters mu, sigma, nu. Is the function fitdistr of MASS with the syntax fitdistr(x, "t") appropriate for this? 2. Is there a function which can fit the exponential power distribution? Thanks. --------------------------------- ÁðïêôÞóôå ôçí äùñåÜí óáò@yahoo.gr [[alternative

I'm trying to get started with maximum likelihood estimation with a simple regression equivalent out of Bolker (Ecological Models and Data in R, p302). With this code: #Basic example regression library(bbmle) RegData<-data.frame(c(0.3,0.9,0.6),c(1.7,1.1,1.5)) names(RegData)<-c("x", "y") linregfun = function(a,b,sigma) { Y.pred = a+b*x

Dear List, I am trying to label a plot with the symbol +/- sigma. Using something like - expression (2*sigma) gives me the symbol 2ó. However, adding +/- to it beats me. The code I am using is: plot(x,y,type="l",main=" expression(paste("±", plain(2*ó)),sep=""). Any suggestion will be appreciated. Best Ogbos [[alternative HTML version deleted]]

Hi, I'm playing around with gamlss and don't entirely understand the sigma result from an attempted lognormal fit. In the example below, I've created lognormal data with mu=10 and sigma=2. When I try a gamlss fit, I get an estimated mu=9.947 and sigma=0.69 The mu estimate seems in the ballpark, but sigma is very low. I get similar results on repeated trials and with Normal and

Dear all &nbsp; I wish to carry out sigma- and beta-convergence analysis in respect of panel data [wherein current value of one of the variables needs be regressed upon suitably transformed lagged values of another variable(s)]. I am quite new to the R-language and am not very much aware of the availbaility of suitable package(s)/ code in the language. Can any one help me in letting me know of

Dear Sir, I have data, coming from tests, consisting of 300 values. Is there a way in R with which I can confirm this data to 68-95-99.8 rule or three-sigma rule? I need to look around percentile ranks and prediction intervals for this data. I, however, used SixSigma package and used ss.ci() function, which produced 95% confidence intervals. I still am not certain about percentile ranks

I'm proposing to add something like this to the stats package : ---------------------------------------------------------- ### "The" sigma in lm/nls - "like" models: sigma <- function(object, ...) UseMethod("sigma") ## works whenever deviance(), nobs() and coef() do fine: sigma.default <- function (object, use.fallback=TRUE, ...)

Dear list, I was trying to create a VarClass for nlme to work with Fay-Herriot (FH) models. The idea was to create a modification of VarComb that instead of multiplying the variance functions made their sum (I called it varSum). After some fails etc... I found that the I was not getting the expected results because I needed to make sigma fixed. Trying to find how to make sigma fixed I run into

I'm running Ubuntu 9.04. I could use some advice about fonts in postscript devices. > sessionInfo() R version 2.9.0 (2009-04-17) i486-pc-linux-gnu locale: LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=C;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C attached base

Hello, I have some Problems with getting WINE to print. I'm using wine on a non-Windows machine with Debian Potato. Everything works fine except printing. When I try to print something I always get something like "Printer not setup properly". The errormessage from wine is err:psdrv:PSDRV_AFMGetCharMetrics No whitespace found. My .wine/config -file looks like this: [parallelports]

Hi! On Linux I try to produce pdf graphs with computer modern fonts so that they look nice in LaTeX documents. I run for example: ------ CM <- Type1Font( "CM", c("/usr/share/texmf-texlive/fonts/afm/public/cm-lgc/fcmr8a.afm", "/usr/share/texmf-texlive/fonts/afm/public/cm-lgc/fcmb8a.afm", "/usr/share/texmf-texlive/fonts/afm/public/cm-lgc/fcmri8a.afm",

Hi, I need to generate some figure using the Arial font as a requirement for PLoS. Following their guidelines, I have converted the windows font files arial.tff files to .afm using tff2afm (exec file from MikTeX), but when I try to generate a postcript file, the postcript device does not recognize the .afm files. The code I use to test the new font is the following:

Hi, I am trying to create a graph using Arial font (as required by PLoS One). I have read probably all posts in R-help on this topic, as wells as R-news 2006. The code I have been trying is following: Arial <- Type1Font(family="Arial", metrics=c("ArialMT.afm", "arial-BoldMT.afm", "Arial-ItalicMT.afm",

Hello R users, Using R, Sweave and the cmsyase.afm font it is possible to write LaTeX documents including R figures with text in the Computer Modern Fonts: \documentclass{article} \usepackage{Sweave} \begin{document} <<echo = false, results = hide>>= CM <- Type1Font("CM", c(file.path("C:/texlive/2009/texmf-dist/fonts/afm/public/cm-lgc",

Hello, R users. I am trying to embed Computer modern fonts to an R plot and I get the following error. CM <- Type1Font("CM", + c(paste("cm-lgc/fonts/afm/public/cm-lgc/", + c("fcmr8a.afm", "fcmb8a.afm", "fcmri8a.afm", "fcmbi8a.afm"), sep=""), + "./cmsyase.afm")) > pdf("cm.pdf",

dear R wizards--- I would like to do some book-on-demand printing at a popular printer named lulu, but lulu requires inclusion even of the basic postscript fonts. Interestingly, my book itself does not need the 14 base acrobat fonts, only the embedded R figures do. Of course, I really would like to get pdftex to embed the fonts, but how to do this is not obvious either. [This method seems