search for: chencheva

hi R folks, I need read a file from hardisk or www web. Then I need to define some new functions according to the contents of the read file. For example, i need write a package name "mypackage" like this: >library(mypackage) >read(some_file_on_web) #to see its content, suppose it contains: eat.drink.sleep then 3 new functions need to be created and usable. the problem is, how

Hi, I got a amd 64 + debian/pure64 system. R is installed by apt-get so it's no doubt that R is for 64bit. My question is, for those packages, for example, ipred, it's difficult to find in which official debian packages they are. How could I install them? if I used install.packages in R, the packges I get are 64 bit or 32 bit? Thank you all.

for example, I have two sets, x and y. I want to draw their histograms using different colors in a graph. I didn't find how to do this by reading ?hist Thanks very much. [[alternative HTML version deleted]]

for example: I have a data frame. data$V4 returns: ..... [6936] P05796 P11096 P76174 P04475 P18775 [6941] P33225 P76387 P76388 P76388 P09375 [6946] P15300 P15723 1375 Levels: O50190 O65938 O69415 P00274 P00363 P00364 P00370 P00373 ... Q9AJ15 data$V5 returns something like data$V4 I want to cbind this two columns, so I use new <-

Hi all Two computers: one is my desktop PC, windows2000, R 1.9.1. Physical RAM 256MB, Swap (Virtual memory) 384Mb. When I allocate a large matrix, it firstly uses up RAM, then use swap space. In windows' task manager, the usage of memory could exceed my physic RAM's size. The other machine is a remote server. Windows XP, R 1.9.1 Physical RAM 2GB. Swap space 4GB. I use "R

Hi all, any guy who knows how to print a data frame without column names printed? I didn't find a parameter in print() function to turn off this. Neither in options(). Thanks in advance.

Hi all I want to draw a graph containing points and edges. Package graphics could do this. However I want to make each those points and edges clickable with a hyperlink on them. Anybody know how to do this? Thanks very much.

Dear R folks: I am trying to use SSOAP (version 0.2-2) package in R (version 2.1.0,linux) to access SOAP service on NCBI (http://www.ncbi.nlm.nih.gov) its WSDL file is at http://www.ncbi.nlm.nih.gov/entrez/eutils/soap/eutils.wsdl but some errors occured: > ncbi <- processWSDL("http://www.ncbi.nlm.nih.gov/entrez/eutils/soap/eutils.wsdl") > ff <-

Hi dear Rers, I am using SSOAP package to access SOAP service at NCBI. I followed the example code in SSOAP but failed. > z <- .SOAP("http://www.ncbi.nlm.nih.gov/entrez/eutils/soap/soap_adapter.cgi", method="run_eInfo", db="pubmed", action = I("einfo")) Error: protect(): protection stack overflow what's wrong? Thanks very much. Regards

sorry, pressed "sent" by mistake. for example >data <- read.csv("data.txt") >data V1 V2 1 YHR165C CG8877 2 YJL130C CG18572 3 YDL171C CG9674 4 YKR054C CG7507 5 YDL140C CG1554 6 YLR106C CG13185 7 YGL206C CG9012 8 YNL262W CG6768 9 YER172C CG5931 >typeof(data) [1] "list" >for (i in

Hi all, for example: > X<- rnorm(1000) > X0 <- 0.899 I want to draw a density distribution plot with a arrow pointer indicating the position of X0, meanwhile, giving out the p-value. any functions? Thanks very much.

hi all If I wanna get the total number of lines in a big file without reading the file's content into R as matrix or data frame, any methods or functions? thanks in advance. Regards