search for: lenvs

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2007 Nov 14
1
reading tables from url
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&quo...
2012 Feb 11
1
object not found - Can not figure out why I get this error: Error in NROW(yCoordinatesOfLines) : object 'low' not found
Hi, I have been using R for over a year now. I am a very happy user. Thank you for making this happen. This is my first question to this list. I trying to add some functions 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()