Displaying 2 results from an estimated 2 matches for "testarr".
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2002 Jul 11
1
How to get relevant dimnames from apply() ?
Hello,
in order to vectorize task (of plotting barplots), I use, as probably all
R-folks, function apply()
instead of for() loop.
<R>
testarr<-matrix(1:30, nrow=5)
rownames(testarr)<-letters[1:5]
colnames(testarr)<-LETTERS[1:6]
apply(testarr,1,function(x) {x11(); barplot(x)}) #the funcion used is
actually more compex, but it doesn't matter
</R>
Now, how I can propagate the rownames of testarr into the main label of
pl...
2003 Aug 28
2
how to call a C program from R function
Hi all,
I would like to call a C program from R function. I tried to use the
.C() function
without success. I need a very simple example (such as the hello
program) to understand
how it works. Could you give a such example?
(I use the 1.7.1 Version of R with linux)
Does it work in the case of a C++ program instead of a C programm?
Best regards,
Olivier
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