search for: lenv

I'm trying to read some web tables directly into R. These are both genome sequencing projects (eukaryotes and metagenomes) from NCBI and look very similar; however, only the first one works. http://www.ncbi.nlm.nih.gov/genomes/leuks.cgi http://www.ncbi.nlm.nih.gov/genomes/lenvs.cgi I added ?dump=selected to the end of the url string to get a tab- delimited file (which is what happens if you click the Save button on either page). > options(internet.info=0) ## this one works > x1<-url("http://www.ncbi.nlm.nih.gov/genomes/leuks.cgi? dump=selected&qu...

...unctions to quantmod that would enable me to draw arbitrary lines and text and make sure they are redrawn. I have created following function: require(quantmod) # Add horizontal line to graph produced by quantmod::chart_Series() add_HorizontalLine<-function(yCoordinatesOfLines, on=1, ...) { lenv <- new.env() lenv$add_horizontalline <- function(x, yCoordinatesOfLines, ...) { xdata <- x$Env$xdata xsubset <- x$Env$xsubset x0coords <- rep(1, NROW(yCoordinatesOfLines)) x1coords <- rep(NROW(xdata[xsubset]), NROW(yCoordinatesOfLines))...