Displaying 20 results from an estimated 2000 matches similar to: "nls and weighting"
2006 Jun 29
1
inconsistent matplot behaviour?
I raised this question quite some time ago but it quitly went down the
river. I'll give it a second try (before keeping my modified version of
matplot for ever...):
matplot supports vectors (and/or character strings) for a number of
arguments namely `type', `lty', `lwd', `pch', `col', `cex'. all of them
act consistently in such a way that the first entries are used
2006 Mar 08
3
bug in map('world') ?
hi,
did'nt see anything in the archive:
map('world',pro='rectangular',para=0)
yields a strange artifact (horizontal bar) extending over the whole map
at a certain latitude range (approx 65 deg. north), whereas
map('world',pro='rectangular',para=180)
(which should be the same) does not show the artifact.
the artifact shows up in other projections as well,
2004 Aug 13
2
bus error /segmentation fault from 'approx' (PR#7166)
Full_Name: joerg van den hoff
Version: 1.9.0 and 1.7.1
OS: MacOS (1.9.0), SunOS (1.7.1)
Submission from: (NULL) (149.220.4.88)
something like (sure not the originally intended input, but something like this
can happen...):
approx(c(1,2),c(NA,NA),1.5)
crashes R (bus error under MacOS, segmentation fault under SunOS).
search of the bug archive did not work. I hope this bug was not reported
2005 Jun 01
1
nls(() and trace
hi everybody,
is there a canonical way to get hold of the "trace=TRUE" output from
nls, i.e. to copy it to a R variable (or at least to an external log file)?
I have only found the possibility to "fix(nlsModel)" (and than the
correct copy of that: namespace function ...) within the R-session by
modifying the trace() definition within nlsModel. not really good for
everyday
2004 Aug 16
3
bus error /segmentation fault from 'approx' (PR#7177)
Full_Name: joerg van den hoff
Version: 1.9.1
OS: MacOS and SunOS
Submission from: (NULL) (149.220.4.88)
follow up to ID 7166. something like
approx(c(1,2),c(NA,NA),1.5,rule=2)
crashes 1.9.1 on both systems (MacOS 10.3.5.: bus error, SunOS 5.9:
segmentation fault) even if xout is within given x range (as in example above)
where rule=2 seems not be relevant anyway.
2006 Dec 14
3
sapply problem
I have encountered the following problem: I need to extract from
a list of lists equally named compenents who happen to be 'one row'
data frames. a trivial example would be:
a <- list(list(
df = data.frame(A = 1, B = 2, C = 3)), list(df = data.frame(A = 4,B = 5,C = 6)))
I want the extracted compenents to fill up a matrix or data frame row by row.
the obvious thing to do seems:
b
2012 Jul 03
1
nls problem
hi list,
used versions: 2.12.1 and 2.14.0 under ubuntu and macosx.
I recently stumbled over a problem with `nls', which occurs if the model
is not specified explicitly but via an evaluation of a 'call' object.
simple example:
8<--------------------------------------------------------------------------------------
nlsProblem <- function (len = 5) {
2004 Jun 08
2
Is there an R-version of rayplot
I need to make plots similar to those produced by the s-plus rayplot function but can't seem to find it in R. These 'vector maps' plot a ray or vector at each specified location. Is there something similar in R ?
--Rich
Richard Kittler
AMD TDG
408-749-4099
2005 Oct 10
2
problem with lapply(x, subset, ...) and variable select argument
I need to extract identically named columns from several data frames in
a list. the column name is a variable (i.e. not known in advance). the
whole thing occurs within a function body. I'd like to use lapply with a
variable 'select' argument.
example:
tt <- function (n) {
x <- list(data.frame(a=1,b=2), data.frame(a=3,b=4))
for (xx in x) print(subset(xx, select = n))
2006 Aug 24
4
extremely slow recursion in R?
I recently coded a recursion algorithm in R and ir ran a few days
without returning any result. So I decided to try a simple case of
computing binomial coefficient using recusrive relationship
choose(n,k) = choose(n-1, k)+choose(n-1,k-1)
I implemented in R and Fortran 90 the same algorithm (code follows).
The R code finishes 31 minutes and the Fortran 90 program finishes in 6
seconds. So the
2006 Jun 20
2
$
If object is user defined is:
object$df.residual
the same thing as
df.residual(object)
This is my first time to encounter the $ sign in R, I'm new. I'm
reviewing "summary.glm" and in most cases it looks as though the $ is
used to extract some characteristic/property of the object, but I'm not
positive.
Thanks
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2008 Apr 30
0
weighted nonlinear fits: `nls' and `eval'
2 days ago I asked this on r-help, but no luck... since
this is actually a programming question, I post it here
again:
my question concerns the use of `eval' in defining the model
formula for `nls' when performing weighted fits. (I use
version 2.6.2., but according to NEWS there were no changes
to `nls' in 2.7.0, so the problem is still present). in this
scenario their
2005 Jul 13
1
unexpected par('pin') behaviour
hi everybody,
I noticed the following: in one of my scripts 'layout' is used to
generate a (approx. square) grid of variable dimensions (depending on
no. of input files). if the no. of subplots (grid cells) becomes
moderately large (say > 9) I use a construct like
###layout grid computation and set up occurs here###
...
opar <- par(no.readonly = T);
2009 Jul 27
1
3.2.11 not compiling on solaris 9 (libtalloc.so.1 error)
I am consistently getting "libtalloc.so.1: No such file or directory" when attempting to 'make' any version of samba.
I've tried all of the suggestions from the list archives on this subject.
Using Solaris 9 sparc.
Current versions are:
gcc 3.4.6 (sunfreeware pkg)
samba-3.2.11 (and any other version of samba I try)
Admittedly - compiling from source is not
2005 Jan 27
3
weighting in nls
I'm fitting nonlinear functions to some growth data but I'm getting radically different results in R to another program (Prism). Furthermore the values from the other program give a better fit and seem more realistic. I think there is a problem with the results from the r nls function. The differences only occur with weighted data so I think I'm making a mistake in the weighting.
2006 Mar 30
0
header containing 8713 (PR#8713)
I believe this was intended to be a followup to PR#8713 but has opened a
new report, so I am replying to re-file it in the correct place.
You can read the source code to find out what happens (as anyone else
looking into this would need to).
I currently have
Argument \code{inches} controls the sizes of the symbols. If
\code{TRUE} (the default), the the symbols are scaled so that the
2011 Mar 01
1
lazy_expunge, 2 questions
Hello List,
do some tests with lazy_expunge
i have 2 short questions.
is it possible to set folder for expunged messages to read-only so no user
is possible to really delete them?
i can use mdbox for expunged-folder. but would'nt it be more functional to
use maildir to have possibility to delete separate mails?
when using mdbox the clean up by cron would effect always multiple messages
2006 Oct 31
1
Fedora Core 6 (FC6) and Asterisk-1.2.13 and Zaptel-1.2.10 compile problems
All,
I have upgraded by home machine from Fedora Core 5 (FC5) to the recent FC6 and am struggling to build Zaptel-1.2.10 and Asterisk-1.2.13 on the box... which is an Intep P4 2.8GHz HT processor box with 845 chipset, hence the kernel installed is 2.6.18-1.2798.fc6-i686 so we hve this:
[root@gate zaptel-1.2.10]# uname -a
Linux gate.tubby.org 2.6.18-1.2798.fc6 #1 SMP Mon Oct 16 14:54:20
2005 Aug 04
2
drawing a network digraph
Dear R users,
I have a matrix with 2 columns with the variables: "daughter index", "mother
index". I would like to draw a network digraph using this data, where each
daughter is connected to a mother and between the connections inlcude a
circle with the information on the indices ("daughter index", "mother
index"): i.e. something similar to graphs
2002 Jul 19
2
Update Samba
Hi,
Newbie question: I've installed samba_2.2.5 and it works great, got winbind
working have convinced boss types that it's a viable alternative to Windows
for some filesharing, however I originally did the configure and make
without specifying smbmount be included in the build but with some other
options, inlcude winbind and pam. If I run ./configure --with-smbmount and
do a make etc.