Displaying 20 results from an estimated 1000 matches similar to: "mlocal/mtrace inside a loop"
2006 Aug 09
3
objects and environments
Dear list,
I have two functions created in the same environment, fun1 and fun2.
fun2 is called by fun1, but fun2 should use an object which is created in fun1
fun1 <- function(x) {
ifelse(somecondition, bb <- "o", bb <- "*")
## mymatrix is created, then
myresult <- apply(mymatrix, 1, fun2)
}
fun2 <- function(idx) {
if (bb == "o) {
#
2011 Apr 07
2
Two functions as parametrs of a function.
Hi R users:
I'm trying to make a function where two of the parameters are
functions, but I don't know how to put each set of parameters for
each function.
What am I missing?
I try this code:
f2<-function(n=2,nsim=100,fun1=rnorm,par1=list(),fun2=rnorm,par2=list()){
force(fun1)
force(fun2)
force(n)
p1<-unlist(par1)
p2<-unlist(par2)
force(p1)
force(p2)
2009 Oct 01
1
pass "..." to multiple sub-functions
Dear list,
I know I have seen this discussed before but I haven't been successful
in searching for "ellipsis", "dots", "..." in the archives. I would
like to filter "..." arguments according to their name, and dispatch
them to two sub-functions, say fun1 and fun2. I looked at lm() but it
seemed more complicated than I need as it modifies the calling
2012 Aug 30
1
How to modify the values of the parameters passing via ...
Dear Friends,
Let's assume there are three parameters that were passed into fun1. In
fun1, we need to modify one para but the remains need to be untouched. And
then all parameters were passed into fun2. However, I have failed to
achieve it.
Please see the following code.
##########################################
fun1 <-function(x, y, z=10) {x+y+z;}
fun2 <-function(aa, ...) {
2014 Jan 25
1
package NAMESPACE question
Hello,
I'm building a package. My code is stored in foo.R. This code has two
functions FUN1 and FUN2. FUN1 calls FUN2. FUN1 is listed in export() under
the package NAMESPACE but NOT FUN2. After building the package when I call
FUN1 is giving me an error that cannot find FUN2.
I solved this by adding FUN2 in the export() NAMESPACE. However, what is
puzzling me is that I have other examples
2006 Aug 16
1
Problem with the special argument '...' within a function
I'm not sure if this is what you want, but simply add ... to the list of
arguments for fun1 and fun2 would eliminate the error.
Andy
From: Hans-Joerg Bibiko
>
> Dear all,
>
> I wrote some functions using the special argument '...'. OK, it works.
>
> But if I call such a function which also called such a
> function, then I get an error message about unused
2012 Nov 20
2
correct function formation in R
Dear list!
?
I have question of?'correct function formation'. Which function (fun1 or fun2; see below) is written more correctly? Using ''structure'' as output or creating empty ''data.frame'' and then transform it as output? (fun1 and fun1 is just for illustration).
?
Thanks a lot, OV
?
code:
input <- data.frame(x1 = rnorm(20), x2 = rnorm(20), x3 =
2009 May 01
1
integrate with large parameters
Dear R-users,
i have to integrate the following function
`fun1` <- function (a, l1, l2)
{
exp(log(l1) * (a - 1) - l2 * lgamma(a))
}
but if l1 is large, i get the "non-finite function value" error, so my
idea is to rescale with exp(-l1)
`fun2` <- function (a, l1, l2)
{
exp(log(l1) * (a - 1) - l2 * lgamma(a) - l1)
}
but it seems this doesn't solve the problem, when
2009 Jun 16
1
ifelse(is.na), with function inside
Hi,
I have a vector a=c(NA, 3, 4, 4, NA, NA, 3) and I would like to use is.na(a)
function to get a vector like this:
wy=(1,2,2,2,1,1,2) - you know, this vector create 1 or 2 depends on value in
vector "a"
This is my short code but something is wrong and I don't know what...
for (i in 1:7){
a=c( NA, 3, 4, 4, NA, NA, 3)
fun1=function(x){
x=1
print(x)
}
fun2=function(x){
2017 Apr 30
1
`match.call` and dots substitution
I'm noticing some interesting behavior in `match.call` in some corner-ish cases that arise when you try to use `match.call` to match a "grandparent" function and there are dots involved:
fun0 <- function(a, ...) fun1(...)
fun1 <- function(b, ...) fun2()
fun2 <- function()
match.call(
fun1, sys.call(sys.parent()), expand.dots=FALSE,
2010 Aug 11
2
storing the results of an apply call
Hi R-users,
I have a function (myfun) that I want to apply to the rows of a matrix.
Basically, "myfun" takes the values from the matrix ("exp.des"), which
represent the different combinations of my experimental design, and pass
them as arguments to some other functions (fun1 and fun2). As I want to
replicate the results of fun1 and fun2 a certain number of time (e.g.
5), I
2015 Feb 26
1
iterated lapply
> On Feb 25, 2015, at 5:35 PM, Benjamin Tyner <btyner at gmail.com> wrote:
>
> Actually, it depends on the number of cores:
Under current semantics, yes. Each 'stream' of function calls is lazily capturing the last value of `i` on that core.
Under Luke's proposed semantics (IIUC),
the result would be the same (2,4,6,8) for both parallel and serial execution. This is
2012 Nov 17
3
transform input argument (matrix) of function
Dear list!
I would like to write a function to transform matrix, which is input argument of a written function. It is easy with new matrix (see below), but my idea is to transform input argument (matrix) of function without any additional matrixes. Here is an example:
fun1 <- function(xy) {
xy <- cbind(xy[,1], xy[,2], xy[,1] + xy[,2])
return(xy)
}
df1 <- matrix(c(1,2,3,1,2,3), ncol =
2004 Mar 23
3
how to modify variables of another frame (but not global)
Hello!
Maybe "frame" is not the right term in this context.
I explain my problem by example code:
fun2 <- function(objName, add) {
## the object "objName" should be increased by "add",
## but the evaluation should be done in the calling function (here:
fun1)
## ...... what's the right code??
}
fun1 <- function() {
x <- 1
fun2("x",
2007 Nov 26
1
Preserving output of MCMC iterations
Dear colleagues,
I'm an epidemiologist with no background in programming and just
started using R a few weeks ago. I am working on the epidemiology of
African sleeping sickness, and am trying to use R to perform a Monte
Carlo Markov Chain analysis to estimate three unknown parameters within
a model of African sleeping sickness case detection that is mainly
informed by actual field programme
2011 Nov 18
2
round() ignores missing arguments if it is used inside another function where some arguments are missing.
I have stumbled across some behaviour in R that I really can't place,
and that makes coding a bit tricky. I know that I can work around it
when explicitly checking for missing arguments, but still...
I have two functions. I have a first function based on paste
? ? fun1 <- function(x,y){
? ? ? print(missing(y))
? ? ? paste(x,'X',sep=y)
? ? }
If I try this function without
2020 May 02
1
issues with environment handling in model.frame()
Dear all,
model.frame behaves in a way I don't expect when both its formula and
subset argument are passed through a function call.
This works as expected:
model.frame(~wool, warpbreaks, breaks < 15)
#> wool
#> 14 A
#> 23 A
#> 29 B
#> 50 B
fun1 <- function(y) model.frame(~wool, warpbreaks, y)
fun1(with(warpbreaks, breaks < 15))
#> wool
#> 14
2002 Aug 01
6
update() can not find objects (PR#1861)
Full_Name: Yi-Xiong Zhou
Version: 1.5.1
OS: win2000pro
Submission from: (NULL) (64.169.249.42)
Update() can not find objects when it is used in a function, which is in turn
being called by another function. Here is a R script to show the problem:
######## begin of the test script ##########
fun1 <- function() {
x <- matrix(rnorm(500), 20,25)
y <- rnorm(20)
oo <- lm(y~x)
2011 Jun 09
3
Resources for utilizing multiple processors
Hello,
I know of some various methods out there to utilize multiple processors but
am not sure what the best solution would be. First some things to note:
I'm running dependent simulations, so direct parallel coding is out
(multicore, doSnow, etc).
I'm on Windows, and don't know C. I don't plan on learning C or any of the
*nix languages.
My main concern deals with Multiple
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