Displaying 20 results from an estimated 700 matches similar to: "debug package: mtrace fails"
2010 Oct 29
2
how to debug (mtrace) a function defined inside a function?
Hi, everyone. I am using a fair amount of closures in my code. Problem i am
experiencing is i cannot figure out how to mtrace functions defined within a
function. There must be some way to name such function for mtrace to see it
and let me step into it. For example, say i have code
mymodel<-function(){
data<-numeric(0)
build<-function(){
data<<-1
}
m<-list()
2006 Oct 18
1
strange error in mtrace
Dear useRs,
I am experiencing very strange error with Mark Bravington's package "debug".
I haven't seen them before.
Here is the sample session
> library(debug)
Loading required package: mvbutils
MVBUTILS: no "tasks" vector found in ROOT
Loading required package: tcltk
Loading Tcl/Tk interface ... done
> x<-function() return(1)
> mtrace(x)
> x()
Error
2007 Apr 04
1
Need mtrace (malloc debugging) help
Hi all,
I am using "mtrace" malloc debugging utility to trace memory leaks in my
application.
I followed following steps:
1. Added mtrace() function in the beginning of my main function.
2. exported the MALLOC_TRACE environment variable.
$ export MALLOC_TRACE=memory.log
3. Run the program
4. trace the program for memory leaks.
$ mtrace <myprogram> $MALLOC_TRACE
But In
2012 Mar 16
2
Singleton pattern
Hi all,
I know it may not have much sense thinking about a Singleton Pattern in an
R application which doesn't use any OOP facilities, however I'm curious to
know if anybody faced the same issue. I've been googling but using
"singleton pattern" as a key word leads to typical OOP languages like Java
or C++ among others.
So my problem is that I'd like to ensure some very
2004 Sep 27
1
mtrace and debug
Hello,
pointed to the article "Debugging Without (Too Many) Tears" of Mark
Bravington in Rnews Vol 3/3, December 2003 there is a package mvbutils
mentioned.
So I started to install this package from within R
> install.package(mvbutils)
I receive an error essage that this package is not found! Is due to a
merge,removal or rename of this package?
When I try to follow this
2011 Dec 22
1
mtrace function
I use windows xp. When trying to use the function mtrace from package debug
the window that should open with the function to be debugged do not show
any text at all. It shows only a part of my desktop. Does anyone know why.
Is there any imcompatibility between windows xp and debug package.
Thanks in advance.
Enio Jelihovschi
[[alternative HTML version deleted]]
2007 May 12
1
mtrace() fails
I find the R debug package very useful. I've installed and used it on
several of the machines I use, without problems, but on one machine I
get the following error:
Loading required package: mvbutils
Loading required package: utils
MVBUTILS: no "tasks" vector found in ROOT
Loading required package: tcltk
Loading Tcl/Tk interface ... done
[Previously saved
2004 Mar 25
1
mlocal/mtrace inside a loop
Hello
I need some help in figuring Bravington’s debugger
out.
Ok
I have 2 functions, fun1 and fun2 saved in a ASCII
file say filename is funs.
Fun1 has a loop which calls fun2, fun2 has a loop
which fails and I need to find out the value of the
variables of the fun2 and fun1 loops at the specific
iteration that fails. Both fun1 and fun2 loops will
iterate thousands of times so line by line debug
2010 May 04
0
masking of objects between mtrace() and getYahooData()
I am using getYahooData from TTR to get daily data. When i do it standalone,
it is fine. It also works fine inside my code. However, when i run code
inside mtrace(), i always get the following error:
Error in xts(cbind(adj[[1]], adj[[2]]), index(obj)):
order.by requires an appropriate time-based object
After a lot of hand wringing, it looks to me that it happens because index
in xts masks
2009 Apr 13
0
debug/mtrace problem
Hello,
In the past I have used intensively the mtrace function from the debug
package, but now with my actual version of R(2.8.1) , it is impossible
to use it anymore.
I've updated all my packages, and I don't understand how solve this
problem...
Here is an example code :
> foo<-function(){cat("Test Function")}
> mtrace(foo)
> foo() # A tcl/tk windows open
2011 Apr 07
2
How to debug reference classes?
How do you debug methods of a reference class? I've been using mtrace, which
is excellent, but i cannot figure out how to mtrace a reference class
method. Maybe there is some other way to debug these, for example with
ordinary trace? for now i am only able to use options(error=recover), which
is not giving me idea where exactly in the code i am once i am stopped on an
error.
--
View this
2012 Jan 06
0
graphic problem: transparent window when starting mtrace() from package debug
Hi Jannis
[I'm the author of package debug... I know this is 6 months after your query, sorry-- but I don't subscribe to R-help, and you didn't post to the maintainer! I'm primarily sending this to close off the thread.]
> when I use the package debug, mark a function with mtrace() and enter
> into the browser like mechanism of debug a window displaying the code of
>
2011 Jul 23
0
graphic problem: transparent window when starting mtrace() from package debug
Deal R
,
when I use the package debug, mark a function with mtrace() and enter
into the browser like mechanism of debug a window displaying the code of
the marked function with the current line highlighted usually appears.
When I use GUIs other than ess or the standard R console sometimes this
window is totally transparent so it is not possible to see any code in
it. After closing/resizing
2008 Dec 18
1
Newbie "if" problem
I have got a general problem when applying a function to a dataframe using
the function;
Apply(df,1,myfunct)
Where myfunct has an IF statement in it along the lines of;
If (z == 0)
X = 1
If (z ==0)
Z = 1
I.e. Two If statements
Is there something I am missing or have a just formed the if statements
wrong just checking there is not some trick you have to use when using
apply with functions
2007 Apr 29
1
[debug] package - Error in all.levs (PR#9638)
Dear All,
I encountered the following problem:
fun1 <- function(x){
2*cos(x)
}
>library(debug)
> mtrace(fun1)
> fun1(0.1)
Error in all.levs[[j]] : subscript out of bounds
> sessionInfo()
R version 2.5.0 (2007-04-23)
i386-pc-mingw32
locale:
LC_COLLATE=Polish_Poland.1250;LC_CTYPE=Polish_Poland.1250;
LC_MONETARY=Polish_Poland.1250;LC_NUMERIC=C;LC_TIME=Polish_Poland.1250
attached
2006 Oct 12
1
debug package in R 2.4.0
Hi.
I recently upgraded to R version 2.4.0, and I have found that the
"debug" package no longer works. In particular, when I try to debug a
function, I get the following error message:
Error in attr(value, "row.names") <- rlabs :
row names must be 'character' or 'integer', not 'double'
I have, of course, taken all the necessary preceding
2007 Jan 04
1
need help with debug package
Hi all,
I met a problem while using the debug package, I have the following program:
mainfun<- function(){
beta<-1
result<-subfun(beta+x)
}
subfun<-function(expr){
y <- eval(expr, envir=list(x=c(1,2)),enclos = parent.frame())
return(y)
}
I have no problem using this program without calling the debug
2006 Oct 23
0
FW: Debug package question
Dear list,
I received the response below from the package author of 'debug'. I
post it to the list, with Mark's approval, in case it is useful to
others too.
Regards, Matthew
-----Original Message-----
From: Mark.Bravington at csiro.au [mailto:Mark.Bravington at csiro.au]
Sent: 22 October 2006 23:53
To: Matthew Dowle
Cc: Mark.Bravington at csiro.au
Subject: RE: Debug package
2007 Jan 02
4
Am I missing something about debugging?
I would like to be able to trace execution into calls below the current
function, or to follow execution as calls return. This is roughly the
distinction between "step" and "next" in many debuggers.
I would also like to be able to switch to a location further up the call
stack than the location at which I enter the debugger, to see the
context of the current operations.
Are
2011 Apr 01
3
programming: telling a function where to look for the entered variables
Hi there,
Could someone help me with the following programming problem..?
I have written a function that works for my intended purpose, but it
is quite closely tied to a particular dataframe and the names of the
variables in this dataframe. However, I'd like to use the same
function for different dataframes and variables. My problem is that
I'm not quite sure how to tell my function in