search for: michael_shen

Hi all, I want to do this kind of function In R enviroment : For example : R <- 4 testString <- "I love $R" then search this testString, when find "$R",replace "$R" to R ,and because the value of R is 4 So the final string I want to get is "I love 4" How can I implement? Thanks advance Michael

dear ALL-R-helper: I modify my question in "textconnection output": I wrote one function in Rgui: output <- function(y){ x <- textConnection("foo","w") sink(x) a <-5 b <-6 z <-a*b z e <-"spss" h <-c(1,2,3) ls() r<-c("s","p","s","s") p<-list(1:10) p y <- foo sink()

Dear all R-helper, if I want to use stdout from other language as my R program input ,which is the best way for design the API,using Pipe function or produce a temporary file,using scan function to read the file ? thanks Michael

Hi All r-helper, my question like this: I use "sink" function to get output into one file,during the sink process , output keep writing into this file,I want to check is there any new output write into this file(which "sink function create"), using "scan" function to read new output from that file. if I use the cat with "\n" ,and

Dear ALL-R helpers, I want to let R get vector from c ,for example :numeric array ,vector .I saw some exmple like this : /* useCall3.c */ /* Getting an integer vector from C using .Call */ #include <R.h> #include <Rdefines.h> SEXP setInt() { SEXP myint; int *p_myint; int len = 5; PROTECT(myint = NEW_INTEGER(len)); // Allocating

Dear All R-helper, my question is how to use sink.number. if I want to label the output was sinked by sink function how should I do ? example: zz <- file("c:\\sinktest1.txt",open="wt") sink(zz) g<- 1:10 cat(g,"\n") f<-list(1:100) h<-capture.output(f) cat(h) sink() I want there are marks in "sinktest1.txt" files, let me know the number of