Thanks everyone, i guess i just had a too long and confusing coding
session. I tried it again and now everything seems to work. sorry for the
fuzz.
On Sun, Jan 30, 2022 at 9:17 PM Avi Gross wrote:
> Stefan,
>
> I did not replicate your results as it works fine and applying the order
Just to add my personal cent to this: I've had similar issues with an R
package some time ago, which kept crashing somewhat unpredictably in the
Solaris tests.
Debugging was hard because it only happened on Solaris, but in the end it
turned out to be due to serious bugs in the code that only
>
> I don't understand. --
>
> 7%%2=1
> 9%%2=1
> 11%%2=1
>
> What aren't these numbers printing ?
>
> num<-0
> for (i in 1:100){
> num<-num+i
> if (num%%2 != 0)
> print(num)
> }
Your code tests the numbers
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, …
and correctly prints the odd
so it
won't auto-print. You have to use an explicit print
print(me.probit(obj))
or use your work-around to convince R that you actually meant to print the
output.
If you dig through the full code of me.probit(), you'll probably find the
function invisible() called somewh
a given starting point; what
you have in mind is to _search_ a string for matches of a regular expression.
Python uses this terminology in its regexp matching functions, and from what
you cited in the documentation so do Perl and PCRE in their docs.
Best,
Stefan
_
fisher.test() computes exact confidence intervals for the odds ratio.
> On 6 Jul 2020, at 15:01, Luigi Marongiu wrote:
>
> Is there a simple function from some package that can also add a
> p-value to this test? Or how can I calculate the p-value on my own?
he problem must be something else.
Best,
Stefan
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rkingDir.R. Before
running any code, open that file, change the path to reflect the
folder of your installed files and run it."
So it seems like you downloaded the zip file but still have to make
sure that the working directory is set correctly (see third paragraph
in the instructions above).
Since factor levels (groups) are coded by integers, you can use 1, 2, 3
etc. as your x values. If you want to annotate in between you can simply
pick values in between 1, 2, 3, etc.
On Wed, Feb 19, 2020, 13:26 Thomas Subia, wrote:
> Colleagues,
>
> To add an annotation using ggplot, I've used
I am currently working through Advanced R by H. Wickham and came
across the `lobstr::obj_size` function which appears to calculate the
size of an object by taking into account whether the same object has
been referenced multiple times, e.g.
x <- runif(1e6)
y <- list(x, x, x)
lobstr::obj_size(y)
#
Thank you Peter and Spencer. That clears things up. Also since no one
responded the second part of my question, I'm still wondering if it was
noted that there is a hyperlink in the dbinom help file (?dbinom) that
isn't directing correctly?
Stefan
On Fri, Mar 15, 2019, 07:37 peter dalgaard
uld. Maybe this could be updated?
Thank you,
Stefan
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and pr
> You are right that various arithmetic operators map a pair of integer
> arguments to various type: the power and division operators map them to
> double precision while the the addition, multiplication, and subtraction
> operators map them to integer results (giving NA's if the result cannot
Before responding to Jeff's posting, let me reiterate my question: Why
does a function using m1*m1 produce an integer overflow, but m1^2 does
not?
As for Jeff's 'response':
> a) Numeric values may be either integers (signed 32 bit) or double precision
> (53 bit mantissa).
> b) Double precision
overflow
> m1^2
[1] 3748378176
That is, the multiplication worked with the numbers but not the
numeric vectors; the above is literally copied from the console. Why
is that happening?
Any help would be much appreciated!
STG
--
Stefan Th. Gries
--
they're optional in the following subexpression).
If you make the first group non-greedy (.*?), this works for me:
ecommerce$sku <-
gsub("(.*?)([a-zA-Z]{0,2}[0-9]{2}[a-zA-Z]{1,2}[0-9]{2,4})(.*)", "\\2",
ecommerce$producto)
But as others have pointed out, you might wa
h, : .
What you meant to say was
gsub("[[:alpha:]]","",x)
i.e. the character class [:alpha:] within a character set.
Best,
Stefan
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P.norm <- normalize.rows(P)
which is a short-hand for
P.norm <- scaleMargins(P, rows=1 / rowNorms(P, method="euclidean"))
Best,
Stefan
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What do you need
that can't easily be down with rpy2?
Best regards,
Stefan
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the
gmodels package, not with stats::fisher.test.
The usual recommendation is to contact the package authors for help.
Best regards,
Stefan
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PLEASE do r
se, if you care about speed (and memory efficiency), you could also
library(wordspace)
scaleMargins(x, cols=y)
Best,
Stefan
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ing of factor levels, and overlaying smoot
hing curves and median lines. Plots are drawn using 'ggplot2'. Please see the v
ignette for some examples.
I welcome all feedback, suggestions, bug reports and feature requests.
Thank you!
- Stefan
References
1. https://cran.r-project.org/w
inappropriate) assumptions about the population.
Best,
Stefan
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an
eatly in their
> size (number of species).
Are you sure it makes sense to resample with replacement? This will
systematically underestimate the number of species at a given sample size
(because of the artificial repetition) and will never find more species than
there are in your origin
That seems like sage advise :)
Thanks
Stefan
On 29 July 2016 at 22:06, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote:
> Having experienced some frustration myself when I first started with R
> many years ago, I can relate to your apparent frustration. However, if you
> would
o a list or S3 object.
Stefan
On 29 July 2016 at 15:54, William Dunlap <wdun...@tibco.com> wrote:
> Reduce (like lapply) apparently uses the [[ operator to
> extract components from the list given to it. X[[i]] does
> not attach names(X)[i] to its output (where would it p
acc,
setNames(length(item), names(item)))} }, data, list())
> str(r)
int 2
> r
[1] 2
I don't think you could achieve that with lapply()?
Thanks
Stefan
On 28 July 2016 at 20:19, jeremiah rounds <roundsjerem...@gmail.com> wrote:
> Basically using Reduce as an lapply in that example
d], fn rev -> {id, rev} end)
end)
|> Enum.filter(fn {id, rev} -> !Dict.has_key?(dict, "#{id}/#{rev}") end)
|> Enum.reduce(%{}, fn ({k, v}, d) -> Map.update(d, k, [v], &[v|&1])
end)
```
On 28 July 2016 at 12:03, Ulrik Stervbo <ulrik.ster...@gmail.c
ssibly 'purrr.reduce()' aim at
doing what I'd like to do - but I've not been able to figure out quite how.
Thanks
Stefan
On 27 July 2016 at 20:35, David Winsemius <dwinsem...@comcast.net> wrote:
>
> > On Jul 27, 2016, at 8:20 AM, Stefan Kruger <stefan.kru...@gmail.com>
> w
required to be of the same type as the elements of the
vector you're reducing -- so I can't build up. So whilst I can do, say
> Reduce(function(acc, item) { acc + item }, c(1,2,3,4,5), 96)
[1] 111
I can't use Reduce to build up a list, vector or data frame?
What am I missin
phyper(J-1, N1, N-N1, N2, lower.tail=FALSE)
You can then instruct phyper() to return log probabilities and use
-phyper(J-1, N1, N-N1, N2, lower.tail=FALSE, log.p=TRUE)
as a measure of association strength.
Best,
Stefan
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ve value
because all the individual logs are negative.
Best,
Stefan
> On 25 Jun 2016, at 16:13, Gonçalo Ferraz <gferra...@gmail.com> wrote:
>
> I am working on interactions between animals, studying whether animal 1 is
> attracted to animal 2 (or vice-versa). I looked for the two
org/
has an efficient scaleMargins() function, which can be made to do what you need
in combination with rowNorms() and colNorms(); cf. the trivial implementation
of normalize.rows().
These functions only work with a dgCMatrix and will try to coerce any other
sparseMatrix to this
w
they've installed XQuartz – the first thing you should do is to check "which
xmkmf". If you find one, it is likely to be the cause of the failure.
Best,
Stefan
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urce for some time on
Mavericks, and have now discovered that this was due to a HomeBrew-installed
imake in /usr/local.
Perhaps it would make sense always to use the well-known standard XQuartz paths
on Mac and only consider other locations if explicitly asked for by the u
and Poisson distributions in what I
consider to be an accessible manner. (PDF, now at last with bookmarks:
http://purl.org/stefan.evert/PUB/Evert2004phd.pdf)
Best,
Stefan
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https
p-value as binom.test() does. This is
particularly relevant if you want to compute confidence intervals for the true
probability p based on a large sample, which takes ages with binom.test().
Hope this helps,
Stefan
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, you might want to take a look at Unit 4 of the SIGIL course
http://sigil.r-forge.r-project.org/
which has some tips on how you can deal efficiently with co-occurrence data in
R.
Best,
Stefan
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to the output file. I�m planning to add such a
function to one of my packages, so I�d be interested if somebody has a better
solution.
Best,
Stefan
On 16 Sep 2014, at 18:54, Maxime Vallee vall...@iarc.fr wrote:
In my script I have one list of 1,132,533 vectors (each vector contains
381 elements
Yes. That's correct. The main problem is to solve a matrix where the
colSums and rowSums are known. Credits to dwinsem...@comcast.net for
pointing out the function r2dtable to me. Just feed it with the
known margins and the number of matrices You want. And Bob is Your
uncle!
Look at the thread
Hi,
I have two vector of margins. Now I want to create fill matrix that
reflects the margins.
seats - c(17,24,28,30,34,36,40,44,46,50)
mandates - c(107,23,24,19,112,19,25,20)
Both vectors adds up to 349. So I want a 10x8 matrix with row sums
corresponding to seats and column sums
at 10x8 matrix (i.e. 80 values).
If you can clarify better we may be better able to help you.
Charles
On Thu, Sep 11, 2014 at 3:47 AM, Stefan Petersson ste...@inizio.se wrote:
Hi,
I have two vector of margins. Now I want to create fill matrix that
reflects the margins.
seats - c
Carlson
Department of Anthropology
Texas AM University
College Station, TX 77840-4352
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of Stefan Petersson
Sent: Thursday, September 11, 2014 7:13 AM
To: Charles Determan Jr
Cc: r
Hi,
Is there any package (or homegrown function) that can produce
Parliament Seats Graph? I'm referring to the nice looking concentric
half circles of colored seats as seen on Wikipedia (for example).
I can pretty easily plot the points and color them. But I can't group
the colored points in
(projectRaster(r, to, method='ngb'))
Furthermore I found in another blog (Dec 2013), following:
This [the as.factor(raster)] is a bug in package raster.
Once again, thanks a lot!
Best,
Stefan
Am 06.05.2014 20:27, schrieb David L Carlson:
Does
values(r) - as.factor(1:ncell(r))
do what you want
)
values(r) - 1:ncell(r)
as.factor(r)
Urgently I have to figure out how to convert a numeric raster into a
factor raster for a predict() calculation within the raster package.
Every hint is very welcome!
Best,
Stefan
?
adjM - sparseMatrix(i = locs[,1], j = locs[,2], x = vals)
I've found this to be very efficient and have used it with sparse matrices
containing up to around 100 million nonzero entries.
Hope this helps,
Stefan
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Dipl.-Ing. Stefan Mühlbauer, MSc
Kaiser Strasse 85/2/15
A - 1070 Wien
E-Mail:
stefan.mue...@yahoo.de
dattel_pa...@yahoo.de
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parallel process by setting the
OMP_NUM_THREADS environment variable (or in some other way).
Hope this helps,
Stefan
On 24 Nov 2013, at 10:03, Safiye Celik safi...@gmail.com wrote:
So, is it possible to use many cores at the same time with GotoBLAS2, do
you have any ideas
I have three media channels where I can push public health information (tv,
radio and newspaper). Any given citizen can be touched by the information
from one, two or three channels (let's ignore for the moment that citizens
might miss the information all together). Hence these sets:
Hi,
I use a regular web hosting service to build a web site under windows .NET.
Now I need statistical functionality on the site, and I would really like
to use R for that. However, I'm not allowed to install anything (e.g. R) on
the host. Are there any implementations/workarounds of R that
percentages in your approach. It doesn't
give you the 50% point either, but I don't think that's a meaningful quantity
with a two-sided test.
Hope this helps,
Stefan
On 9 Oct 2013, at 15:53, Benjamin Ward (ENV) b.w...@uea.ac.uk wrote:
I got given some code that uses the R function pbionom:
p
/?group_id=783
for download / installation.
Best,
Stefan
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and provide commented, minimal
Hi all
I have a hopefully not too stupid question about multi-level /
mixed-effects modeling. I was trying to test a strategy from Crawley's
2013 R Book on a data set with the following structure:
- dependent variable: CONSTRUCTION (a factor with 2 levels)
- independent fixed effect: LENGTH (an
Dear R community,
I have the following problem, and kindly ask for some support.
I want to create a network object, representing a directed network on basis of
an edgelist. The first column contains some unique ID of project leaders, the
second project partners, let's say:
x -
appreciate any hint in this direction!
stefan
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and provide commented, minimal, self-contained
the same in 3d using panel.cloud, but now luck.
I attached a minimal example, I think the first plot shows the idea.
Thanks,
Stefan
--
View this message in context:
http://r.789695.n4.nabble.com/highlight-points-in-lattice-cloud-plot-tp4668157.html
Sent from the R help mailing list
That looks good, thanks a lot!
Iwill give it a try in my real problemsoon.
Cheers,
stefan
On 05/29/2013 06:02 PM, ilai wrote:
On Wed, May 29, 2013 at 7:57 AM, Stefan Lüdtke slued...@gfz-potsdam.dewrote:
x=runif(100, 1, 2)
y=runif(100, 2, 4)
z=runif(100, 1, 4)
data_xyz=as.data.frame
I want to create a sequence, repeating each element according to a vector.
I have this:
v - c(4, 4, 4, 3, 3, 2)
And want to create this:
1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 5 5 5 6 6
TIA
// s
R version 3.0.0 (2013-04-03)
Platform: x86_64-pc-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.UTF-8
you tried the svd() function? Most good BLAS libraries include highly
optimised SVD code; if your machine has enough CPU cores, even a
high-dimensional SVD might be fast enough.
Best,
Stefan
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to correct for xmin like so?
x2 - x2 - xmin
Am I missing anything? Do I need to be more careful at an earlier stage
(e.g., breaks as this is binned data)?
I apologize in advance, I am a statistical autodidact, so I might just
be confusing the obvious.
I'd highly appreciate your hints :)
Stefan
of censored methods (for regression analysis etc.), but not
when it comes down to distribution fitting, I fear.
Many thanks,
Stefan
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Hi,
I have two groups, and I want to find the dissimiarity between the members
of the two groups. Since I have mixed level variables on the members, I opt
for the daisy function in the cluster package.
Let's pretend that the following represent my groups:
x -
there is a bug in CMD check path/name --as-cran in the MacosX
version.
I guess you could argue that. If whitespace isn't allowed in file path, check
--as-cran should issue a meaningful warning; otherwise, it should work just as
check without --as-cran does.
Best
Stefan
a nice 0.1 to 10 log-axis which is
commonly used for biological datasets.
Good luck,
Stefan
--
Dipl. Biologe Stefan Stagge
Pengsjövägen 35
91133 Vännäs
mobilephone: +46 762 666401
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).
My apologies and thanks for your hints!
//stefan
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and provide commented, minimal, self
!
//stefan
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
of dist().
I haven't uploaded the package to CRAN yet, but you should be able to install
with
install.packages(wordspace, repos=http://R-Forge.R-project.org;)
Best,
Stefan
PS: Glad to see that daily builds on R-Forge work again -- that's an extremely
useful feature to get beta testers
for nearest neighbour search in large sets of vectors.)
Best,
Stefan
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and provide commented, minimal
This is still single-threaded, so you can run multiple of these calculations in
parallel depending on how many cores your server has.
Hope this helps,
Stefan
PS: In case you'd like to give it a try yourself and aren't daunted by a
complete lack of documentation:
svn checkout svn://scm.r-forge.r
? Do I
have to generate my own quantreg package?
Thank you very much for you help
cheers
Stefan
Am 28.05.2012 19:05, schrieb Roger Koenker:
Stefan,
You could try this: make a private version of anova.rqlist and change the
call to lapply
that computes summaries so that se = ker instead of se
coefficients etc. However, the literature states
that one can model change in, say, price. Answering questions like
How many will read magazine 2 when price falls with $2?. Can someone
please outline a simple example on how to calculate / model such a
change?
TIA
// stefan
analyst41 at hotmail.com analyst41 at hotmail.com writes:
I have a data set that has some comma separated strings in each row.
I'd like to create a vector consisting of all distinct strings that
occur. The number of strings in each row may vary.
Thanks for any help.
#
#
# Some data:
everything that fits the
naming pattern, now wouldn't it?
Just saying ...
Stefan
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and hope someone can give me
some pointers.
Thanks,
Stefan
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PLEASE do read the posting guide http://www.R-project.org/posting
:)
Thanks!
Stefan
-Original Message-
From: Tyler Rinker [mailto:tyler_rin...@hotmail.com]
Sent: Mon 4/30/2012 6:40 PM
To: Schreiber, Stefan; r-help@r-project.org
Subject: RE: [R] for loop problem
I don't really work with dates but thought I'd pass a solution on. I think
that there some great
This one is for windows.
http://cran.r-project.org/web/packages/RNetCDF/index.html
but you need netcdf libraries and udunits libraries installed.
http://cran.r-project.org/web/packages/RNetCDF/INSTALL
Cheers
See the
On Fri, 2012-03-16 at 00:39 -0700, Amen wrote:
Hi
I am using
sorry, I did not know that, thanks!
On Fri, 2012-03-16 at 11:35 +, Prof Brian Ripley wrote:
On Fri, 16 Mar 2012, Stefan Luedtke wrote:
This one is for windows.
http://cran.r-project.org/web/packages/RNetCDF/index.html
but you need netcdf libraries and udunits libraries
the capabilities
of this part of the plugin are and how useful it might be for you, but I
think it is worth it to give it a shot.
Hope that helps!?
Cheers,
STefan
On Fri, 2012-03-09 at 11:33 +, Federico Calboli wrote:
Hi,
according to the help file rtags does not support VI(M) yet
Sent from my HTC
-Original Message-
From: David Winsemius dwinsem...@comcast.net
Sent: Friday, 9 March 2012 12:26 AM
To: shameek ghosh shamee...@gmail.com
Cc: r-help@r-project.org r-help@r-project.org
Subject: Re: [R] Regarding randomForest regression
On Mar 8, 2012, at 5:10 AM,
variable.
What I want to do:
1) Add other variables to each panel, that worked as well, but a bit by
chance.
2) Add an panel.xblocks to each panel that show the data gaps of any
variable but not the first.
If any of you could provide a minimal example.
Cheers,
Stefan
On Fri, 2012-03-02
for the columns a and b??
Thanks for your efforts.
Stefan
On Tue, 2012-03-06 at 08:33 -0500, R. Michael Weylandt wrote:
Type at your console:
library(lattice)
example(xyplot.zoo)
I think the second and third do what you were asking. Otherwise,
please describe in more detail what you
Thanks, a lot!!
On Fri, 2012-03-02 at 18:00 -0500, Gabor Grothendieck wrote:
On Fri, Mar 2, 2012 at 5:15 PM, sluedtke slued...@gfz-potsdam.de wrote:
Dear List,
I am struggling with the trellis graphic. A similar problem was mentioned
here:
A new version of the kopls package has been made available. This installs
without problems in R 2.14 (windows 32-bit). Download from here:
https://sourceforge.net/projects/kopls/files/K-OPLS%20for%20R/1.1.2/
[[alternative HTML version deleted]]
to be available.
Stefan
[[alternative HTML version deleted]]
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Or with what I just learned:
subset-[mydata$age %in% c(20:30),]
Thanks for explaining Michael!
Stefan
-Original Message-
From: r-help-boun...@r-project.org on behalf of Marc Schwartz
Sent: Thu 1/12/2012 8:38 PM
To: R. Michael Weylandt
Cc: r-help@r-project.org; manu79
Subject: Re: [R
But better without calling your new data frame subset since it's a function
as well.
-Original Message-
From: r-help-boun...@r-project.org on behalf of Schreiber, Stefan
Sent: Thu 1/12/2012 8:50 PM
To: Marc Schwartz; R. Michael Weylandt
Cc: r-help@r-project.org; manu79
Subject: Re: [R
Thanks for the warning !
Better use Michael's or Marc's suggestion instead.
Stefan
-Original Message-
From: R. Michael Weylandt [mailto:michael.weyla...@gmail.com]
Sent: Thu 1/12/2012 9:05 PM
To: Schreiber, Stefan
Cc: Marc Schwartz; r-help@r-project.org; manu79
Subject: Re: [R] work
matrix and code the comparisons myself.
Thanks for any hints!
Stefan
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and provide commented
, mydata$group, location=mean) and it works
fine.
Thanks for any answers on that!
Stefan
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PLEASE do read the posting guide
?
Unfortunately, dose.p from the MASS package doesn't work for non-linear models.
When I take the log(abs(x)) the relationship becomes not satisfactory linear
either.
Any suggestions are highly appreciated!
Thank you!
Stefan
EXAMPLE for species #1:
y.damage-c(5.7388985,1.7813519,3.7321461,2.9671031
Thanks Ted!
I really appreciate your time!
Thanks for the link about the 'problem of calibration', and your suggestion to
reformulate my model. I had no idea about it before. I certainly learnt
something today.
I will try your suggestions later today and let you know how it works out.
Stefan
Hi there,
I just downloaded the newest version of R for Mac from the mirror in Zuerich…
checksums do not match.
bye,
stefan
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all fine; but I don't like this idea and was wondering what am I missing
here?
Thanks!
Stefan
P.S. I am using R 2.13.2 for Mac.
dat-read.csv(~/MyFiles/data.csv)
class(dat$treat)
[1] factor
dat
treat yield
1 cont 98.7
2 cont 97.2
3 cont 96.1
4 cont 98.1
5 10 103.0
6 10
Thanks for the fast response and your comments!
That works perfect!
Another little mystery solved ;)
Stefan
From: Felipe Carrillo [mailto:mazatlanmex...@yahoo.com]
Sent: Tuesday, November 01, 2011 3:54 PM
To: Schreiber, Stefan; r-help@r-project.org
Subject: Re: [R] factor level
Hi,
I've set up a very simple R repository. Just a single source
library. Everything works fine. I can install the package on my client
using:
install.packages(repos='http://www.myServer.se/myRepo/',
pkgs='myLib', dep=TRUE)
However, I want to protect the repo, so I use a
.htaccess, placed
stefan.petersson at inizio.se writes:
Hi,
I've set up a very simple R repository. Just a single source
library. Everything works fine. I can install the package on my client
using:
install.packages(repos='http://www.myServer.se/myRepo/',
pkgs='myLib', dep=TRUE)
However, I want
. It then calls
download.file to get the packages.
So please read the help for download.file (as the help pages say), and
try the solutions described there.
On Wed, 28 Sep 2011, Stefan Petersson wrote:
The helpfiles for 'download.file' was not that helpful. But maybe it's just me
The helpfiles for 'download.file' was not that helpful. But maybe it's just
me
not being able to read them correctly.
Yes, looks like this is the case.
I tried to call install.packages with the 'method=wget', and hoped for a
username and password dialog. But no luck.
The help
On 09/20/2011 10:57 AM, Achim Zeileis wrote:
On Tue, 20 Sep 2011, Tal Galili wrote:
I am not sure who to send this to - so I am writing this here.
It seems that the index.html pages on CRAN are gone.
For example:
http://cran.r-project.org/web/packages/ggplot2/index.html
Is gone. But the
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