search for: textstring

Is there a way in R to select certain characters from a line of text? I have some data that is presently in a large number of text files, and I would like to be able to select elements of each text file (elements are always on the same line, in the same position) and organize them into a table. Is there a tool to select text in this way in R? What I am looking for would be somewhat similar to

...e width of the rectangle must depend on the length and font of my string. is there a way to obtain the lower left and upper right location of a text string that R drew? (this would be good return values for the text() function, wouldn't it?) bubble.annotate <- function( x, y, xlid, ylid, textstring ) { HELP } bubble.annotate( 19871010, 20, 19871019, 13, "Black Monday" ); [and thanks, gabor, for explaining the ifelse tricks with dates to me.] regards, /iaw

Hello R-help List I am writing some R scripts to create graphs of water quality trends that will be called by a web service running R. The axis titles will need to change as the input data (ie. water quality variable) changes according to a user's choice made via a web page. The way I am currently passing call-specific parameters to the R script is via a text file created on the fly by the

Is there an easy way to "sink" text output to a pdf file using the pdf() device? Here's an email that describes setting up empty graphics plots and then using the "text" command to put text on page: http://www.r-project.org/nocvs/mail/r-help/2002/5598.html I'm just looking for something a little more polished -- automatic page breaks, line wrapping, etc. Kevin

----- Original Message ----- From: "Kaspar Pflugshaupt" <pflugshaupt at geobot.umnw.ethz.ch> To: "Gary Collins" <gco at eortc.be> Cc: "r-help" <r-help at stat.math.ethz.ch> Sent: Thursday, October 18, 2001 2:19 PM Subject: Re: [R] eval and as.symbol question > On 18.10.2001 13:46 Uhr, Gary Collins wrote: > > > But when I merge these