similar to: Setting Windows environment variables via a batch file

Colleagues, I am trying to understand how R (2.12.1) obtains the PATH environment variable in Windows (7 or Vista). Startup {base} directs one to: "R_ENVIRON" -- which equals "" in my systems R_HOME/etc/Renviron.site -- which does not exist Next, it directs to: R_HOME/etc/Rprofile.site -- which also does not exist (the expected behavior in a "factory-fresh"

Colleagues I have just encountered an interesting problem with readLines in R 2.7.0 in Windows Vista. I am trying to read a line that is created in the following manner: 1. Intel Fortran (ifort) 10.1 creates two text files. 2. The OS concatenates these files with: copy FILE1 +FILE2 FILE3 From R, I execute: readLines("FILE3") Only the first portion of the file (the original

Colleagues R 2.10.1 on a Mac I read in textfiles using readLines, then I process those files, then I use R to execute another program. Occasionally those files contain characters other than letter / numbers / routine punctuation marks. For example, a bullet (option-8 on a Mac) triggers the problem. Although R can read and process those characters, the other program cannot so I would like to

Colleagues R: 2.12.2 OS X I have a set of text objects in the form (I am showing 3 of what is more likely to be 20 or so): OBJECTS <- c("abcSOMETHINGCOMMONegf", "xSOMETHINGCOMMONyz", "SOMETHINGCOMMONnme") As you can see, all contain "SOMETHINGCOMMON" and the position varies. But, I don't know what that "SOMETHINGCOMMON" is. Is there an

Colleagues R 2.8.0; OS X, Vista, Ubuntu Linux In some instances, when I create a graphic using plot(XVAR, YVAR), it would be valuable to know the values that R will display on the y-axis (e.g., if the range of data is 0-70, it might display 0, 10, 30, 50, 70). Is there a simple means to access these values? Also, in some instances, additional ticks appear between the displayed values

R 2.12.2 Windows 7 Colleagues, I just took advantage of the function: readWindowsShortcut in R.utils. It accomplished my goals and I was interested in learning its inner workings. So, I typed the function at the command line (without arguments or parentheses). R returned: function (...) UseMethod("readWindowsShortcut") <environment: namespace:R.utils> providing no

Colleagues, What is the easiest means to embed a: ? (registered) or ? (trademark) sign in text in a graphic. I would like to use mtext and avoid plotmath, if possible. Ideally, the sign should be superscripted but I can easily sacrifice that. Optimally, I need a solution that works in both OS X and Windows (? XP) and with R versions ? 2.11 Thanks in advance. Dennis Dennis Fisher MD P <

R 3.4.1 OS X and Windows Colleagues I have a complicated problem that includes several components: R RTF PDF Using R (and a slew of RTF commands), I assemble a text document with an RTF extension. The document contains text, tables, and images (JPEG format, previously created with R). To ?import? the JPEG images into the document, I use the following R code: cat("\\pard\\qc

Colleagues, I am preparing scripts that will be used by others on both Windows and Linux/OSX platforms. The scripts call an existing Fortran application. The user may have any of a a variety of Fortran compilers - my goal is to determine whether or not the test command returns "no input files" or "command not found" (i.e., so that I can confirm which Fortran they

Colleagues, I have encountered a problem in version 2.9 of R, running in both Vista and OS X. My code is quite lengthy but the critical line is: if (file.exists(FILENAME)) readLines(FILENAME)) This triggers the error: Error in file(con, "r") : cannot open the connection Calls: readLines -> file Execution halted The file that it is reading is being created on the fly, then

R 2.15.1 OS X.7.4 Colleagues, I have a large dataset (27773536 records, the file is several GB) that contains a column of date / time entries in the format: "2/1/2011 13:25:01" I need to convert these to numeric values (ideally in seconds; the origin [e.g., 1970-01-01] is not important). I am using: as.numeric(strptime(DATA$DATADTM, "%m/%d/%Y %H:%M:%S")) It takes 21

Colleagues I am executing a length script in R (20K lines). At one point, it returns: > Loading required package: tcltk > Loading Tcl/Tk interface ... done > Loading required package: Hmisc > Loading required package: survival > Loading required package: stats > Loading required package: graphics > Loading required package: splines > Attaching package: 'Hmisc'

Colleagues OS 10.5 R: 2.10.1 I have a simple x-y plot for which I would like to shade the lower (or upper) part of the interior region (i.e., the area bounded by the axes). If the delineation between top and bottom were linear, it would be use to use the polygon function. However, the delineation is a curve (which I can describe by an equation). In theory, I could divide the x-axis into a

Colleagues, [R 2.11; OS X] I am processing a file on the fly that contains the following text: XXX?? [email clients may display this differently -- the string is three X's followed by two instances of the letter a with an acute accent] I read the file with: X <- readLines(FILENAME) In this instance, the text of interest is on line 213. When I examine line 213, it reads: XXX\xe1\xe1

Colleagues, I am using R (2.9.2, all platforms) to search for a complicated text string using regular expressions. I would appreciate any help you can provide. The string consists of the following elements: SOMEWORDWITHNOSPACES any number of spaces and/or tabs ( any number of spaces and/or tabs integer any number of spaces and/or tabs ) Examples include: WORD ( 123 ) WORD(1 )

Colleagues, I am trying to create a PDF document in which I use margin text with two different fonts. The resulting text might be: XXXXXyZZZ where X and Z are one font and Y is the other. My plan was to do this in the following manner: mtext("XXXXX ZZZ", cex=2, adj=0.5, family=SOMEFONT) mtext("Y", cex=2, adj=??, family=DIFFERENTFONT) My question regards how to calculate

Colleagues Assume that I have a vector containing some text strings, some of which contain a particular character. I could like to apply "toupper" to the text before the character. For example (in this case, "|" is the particular character): ORIGINAL: TEXT <- c("aaaa", "bbb|cc", "|ddd") AFTER APPLICATION OF toupper: TEXT <-

Colleagues, I am trying to read a file written by Fortran. Several lines of the file are pasted below: 101 06e+050280.9777.484208.18147.20.246350.4020.7308717.882600 1 1 101 0.5 00280.9777.484208.18147.20.246350.4020.7308717.882600 0 0 101 1 00280.9777.484208.18147.20.246350.4020.7308717.882600 0 0 101 1.5 00280.9777.484208.18147.20.246350.4020.7308717.882600 0 0 101 2

R: 2.12.1 OS X Colleagues I am working with lattice graphics for the first time and I am confused by some aspects of controlling these graphics. The most pressing issue is the following: I can print the graphics without problems with the command: print(MYFUNCTION(SOMEOBJECT) However, I would like to add margin text (this terminology might not apply in this setting). I am able to do so with

R version 2.13.1 OS X (or Windows) Colleagues, I received a number of files with a .xls extension. These files open in XL and, by all appearances, are XL files. However, it appears to me that the files are actually XML: > readLines(dir()[16])[1:10] [1] "<?xml version=\"1.0\"?>" [2] "<Workbook