i have a problem with plotting dataframes from an R
interpreter set up in another application (using C and
GTK).
i have the following two functions in two separate
files:
loadDataFrame <- function(filename, analysisDF){
tempfile <- "bla"
d <- read.table(tempfile, header=TRUE)
d <<- d
}
finalDC <- function(){
print(d)
##create an empty plot
xlim <- range(d[,1], na.rm=TRUE)
ylim <- range(d[,-1], na.rm=TRUE)
plot(NA, xlim=xlim, ylim=ylim, xlab="x", ylab="y")
title("DC Analysis", "All nodes")
##plot the data
for (k in 2:ncol(d))
lines(d[,1], d[,k], col=k-1)
}
if i invoke these directly from R, they work just
fine. when i invoke them from the R interpreter set up
in my application, the dataframe prints out and then
one of two things happens. i either get a segmentation
fault, or the plot displays and freezes, so i cannot
close it.
currently, i have R initialized with the following
args:
char *argv[] = {"simulus", "--no-save", "--silent"};
does anyone have any idea why? thank you very much in
advance.
elena zheleva
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