On 02/21/2010 01:45 AM, blue sky wrote:
On Sat, Feb 20, 2010 at 2:40 AM, Romain Francois
romain.franc...@dbmail.com wrote:
On 02/19/2010 10:31 PM, William Dunlap wrote:
-Original Message-
From: r-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of blue sky
Looks like my message misunderstood:
I tried to explain that assay validation and validation for clinical
trials are mixed up by people working mainly in clinical applications, who
have to make judgments about statistical applications.
There is nothing wrong in using SAS, R or Excel (with
Hi all,
Is there a package in R to perform time series cross-sectional regression
analysis (like the TSCSREG procedure in SAS)? Thanks for the info.
Thanks and Regards,
Shubha Karanth | Amba Research
Ph +91 80 3980 8283 | Mob +91 94 4886 4510
Bangalore * Colombo * London * New York *
Works fine for me. Maybe you're messing up epicalc's use()
procedure. It would really help if you took the trouble to
read and follow the posting guide and provide *reproducible code*
to illustrate your problem. It's also customary to indicate
where the data can be found (Orthodont is in pkg
Dear lists (I was not sure which list would be the better-one),
I'm trying to download data from Reuters (3000 Xtra) into R with the
extension written by Rory Winston (http://www.theresearchkitchen.com). I
first stored the dlls into the bin directory of R, tried to load it into
R with
Hello all,
I wish to compare two dendrograms (representing Hierarchical Clusterings).
My problems are several:
1) how do I manually create a dendrogram object ?
That is, how can I reconstruct it as an hclust object that creates such a
dendrogram, when all I have is the dendrogram image (but
Dear all,
I want to program my own models about Stochastic Frontier Analysis and
Linear programming (Data Envelopment Analysis). In this context, is there
anyone that may help me with some simple tutorials and scripts about these
issues?
Thanks a lot.
--
Marcus Vinicius Pereira de Souza, Prof.
Wow! Jim, this is really impressive. I can't wrap my head around how
you figured this out.
Thank you,
AC
On Sun, Feb 21, 2010 at 12:02 AM, jim holtman jholt...@gmail.com wrote:
This will do it. You can see two different values for id=1:
x - with(datas, aggregate(list(r = r), by = list(id
Dear Sir/Madam,
I am doing the intervention analysis on climate data (time series). Is there
any package or methods to estimate the parameters (delta omega) by R?
Thank you very much,
Best,
Jian Kang
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On 18/02/2010 11:43 AM, David A.G wrote:
Dearl list,
can anyone point me to a function or library that can create a graph similar to
the one in the following powerpoint presentation?
It could be done in rgl with a lot of work. I don't know of a package
where someone has already done the
Hi Marcus!
On Sun, Feb 21, 2010 at 1:47 PM, Marcus Vinicius mvi...@gmail.com wrote:
I want to program my own models about Stochastic Frontier Analysis and
Linear programming (Data Envelopment Analysis). In this context, is there
anyone that may help me with some simple tutorials and scripts
Hi,
I created a simple data frame with one factor and one numerical variable.
The factor was actually a vector of names of techniques to trimm reaction
time data.
I want to create a plot that shows the value of F test for every trimming
method.
So the data frame has its trim factor (who has those
Hi Or,
I can't know for sure what your problem is without an example, but the
first thing I would do is check to make sure that your labels are
stored as an ordered factor (and that the order is correct). See
?factor for details.
Best,
Ista
On Sun, Feb 21, 2010 at 10:57 AM, Or Duek
Ok,
It seems that the problem lays in the order (as Ista mentioned),
But, when I ask R to order it he chooses to order it by size and not by the
specific order I mentioned when I built the vector.
Is it possible to tell him to keep the order as mentioned?
Thank you.
On Sun, Feb 21, 2010 at 6:16
I'm hoping I'm missing some (probably fundamental basic process) which might
make my life easier!
Lets assume I have a 3 column table summarizing results from a trial from three
arms (Arm A, B and C).
For each arm there will be a number of pieces of information to report. The
simplest example
Hey there,
I am trying to do a series of hotelling t-tests in R. But I keep getting the
following error:
mat -
On 2/20/2010 9:49 AM, Tal Galili wrote:
Hello dear R users,
Recently there has been several fascinating threads on the website
stackoverflowhttp://stackoverflow.com regarding the subject of R WorkFlow
best practices:
- What best practices do you use for programming in
It would be easier with some example data. Make sure the data is represented by
factors and check the levels and relevel if needed. Something like:
df$day - factor(df$day, levels = c(30, 29, 20))
Also search the ggplot2 mailing list for factor and order. I think
similar questions
are asked often
On 2010-02-18 8:48, j...@math.ucdavis.edu wrote:
Hi,
I am using the command
sample(c(0,1,2),1,prob=c(0.2,0.3,0.5))
and I have this error notification
Error in sample(c(0,1,2),1,prob=c(0.2,0.3,0.5)):
unused argument(s)(1,prob=c(0.2,0.3,0.5))
I don't know what is going wrong. Please give
I am a beginner to R, and am working on exporting graphs. Even when I
reduce the quality, it takes 30 or 40 minutes to export the graph.
Does anyone have suggestions on how to make it faster?
Thank you!
Karthik
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R-help@r-project.org mailing list
Hi Karthik,
Please give a sample code of what it is that you are doing that is causing
this.
Also, have a look at:
?pdf
Or
?png
Cheers,
Tal
Contact
Details:---
Contact me: tal.gal...@gmail.com | 972-52-7275845
Read me:
Dear all,
I am analysising a set of gene expression data using multiplicative Gaussian
Kernel function. I calculated the kernels between two gene sets with 2
genes for each set. The kernels are less than 1, therefore the product of
the kernels is out of the minimum precision in R. I wonder
Hi,
I have nicely used RdbiPgSQL under 10.5 but now that I run 10.6
I can't get this to work.
I am quite sure I will not be the first to have this problem, so
can someone please point me somewhere where this has been described
or let me have a cookbook?
greetings, el
Hello Tal,
This is the code.
hist(rnorm(100))
jpeg(histogram.jpeg)
---
Even when I decrease the quality, I still have the same problem.
hist(rnorm(100))
jpeg(histogram.jpeg,quality=30)
Hi,
just to make sure, you didn't forget to close the device with dev.off() ?
baptiste
On 21 February 2010 20:48, Karthik kwr...@gmail.com wrote:
Hello Tal,
This is the code.
hist(rnorm(100))
jpeg(histogram.jpeg)
---
Even when I decrease the
Hi Karthik,
I think you will need to do something like
jpeg(histograms.jpg)
hist(rnorm(100))
dev.off()
HTH
Stephan
Karthik schrieb:
Hello Tal,
This is the code.
hist(rnorm(100))
jpeg(histogram.jpeg)
---
Even when I decrease the quality, I
Karthik wrote:
Hello Tal,
This is the code.
hist(rnorm(100))
jpeg(histogram.jpeg)
---
Even when I decrease the quality, I still have the same problem.
hist(rnorm(100))
jpeg(histogram.jpeg,quality=30)
On Feb 21, 2010, at 1:47 PM, Dr Eberhard W Lisse wrote:
Hi,
I have nicely used RdbiPgSQL under 10.5 but now that I run 10.6
I can't get this to work.
I am quite sure I will not be the first to have this problem, so
can someone please point me somewhere where this has been described
or let me
On 2010-02-20 6:22, Walmes Marques Zeviani wrote:
Hi all,
I am using barchart() to plot values above the bars. When using groups argument
we get bars grouped arround a given x level. By placing values above this bars
we need to know the respective x coordinates. How can I get it?
Thank you everyone. Your advice helped. Right now I am working through
Introductory Statistics with R (Dalgaard) and will also take a look at
the R Manual.
--Karthik
[:-)]+|=0=''
On Sun, Feb 21, 2010 at 12:01 PM, Sharpie ch...@sharpsteen.net wrote:
Karthik wrote:
Hello Tal,
This is the
BTW - if you are using an image with little color (but many lines),
I remember reading that png is better to use then jpeg.
Tal
Contact
Details:---
Contact me: tal.gal...@gmail.com | 972-52-7275845
Read me: www.talgalili.com
Hi everyone,
I have another fairly simple question. I want to take the earliest of two
dates from these two date columns. I've tried converting the dates to
numbers and just get a vector full of NA's. I've also tried using the chron
function to compare the two and have been unsuccessful. I
On Feb 21, 2010, at 2:19 PM, Newbie19_02 wrote:
Hi everyone,
I have another fairly simple question. I want to take the earliest
of two
dates from these two date columns. I've tried converting the dates to
numbers and just get a vector full of NA's. I've also tried using
the chron
Dear readers,
can anyone give an example how to use cross-validation in the plsr package.
I miss to find the number of factors proposed by cross-validation as
optimum.
Thank you
Peter
--
View this message in context:
Dear David and Mark,
Thanks very much for your help. THey were actually in date format so pmin
works really well. I didn't realise that you could use it on dates that is
why I was trying to coerce the date into a numeric. Thanks for both
suggestions and I will remember to use a working
Thank you, last post 2007.
el
On 2010-02-21 22:05 , David Winsemius wrote:
You should check the R-Mac-SIG archives:
http://dir.gmane.org/gmane.comp.lang.r.mac
http://markmail.org/browse/org.r-project.r-sig-mac
And if not found, then post on that list.
David.
I have a simple barchart with horizontal bars and horizontal tick labels,
produced with
barplot(x, horiz = T, names.arg = c, las = 1)
The labels are longish strings, truncated on the plot. I wish to leave more
space for the left margin, and experiment with mar parameter,
barplot(x, horiz = T,
I was trying to save a data frame to an excel file using the following
command:
write.table(myData, file=myData.csv,sep=,, row.names=F)
The command works for some data frames, but for other data frames, I get
the
following error:
Error in if (inherits(X[[j]], data.frame) ncol(xj) 1L)
On 2010-02-21 12:51, Dimitri Shvorob wrote:
I have a simple barchart with horizontal bars and horizontal tick labels,
produced with
barplot(x, horiz = T, names.arg = c, las = 1)
The labels are longish strings, truncated on the plot. I wish to leave more
space for the left margin, and
Perhaps this example will help.
x - factor(c('b','a','d'), levels=c('a','d','b'))
y - 1:3
plot(x,y)
And compare with
z - factor(c('b','a','d'))
plot(z,y)
In the first, the plot is in the order that I chose. In the second it
is in the order that R chose -- and R chose it according to
On 2010-02-21 15:06, jmgray wrote:
I was trying to save a data frame to an excel file using the following
command:
write.table(myData, file=myData.csv,sep=,, row.names=F)
The command works for some data frames, but for other data frames, I get
the
following error:
Error in if
Dear R users,
I know this issue came up in the list several times. Im currently running
R on 32-bit on Windows and due to memory limitation problems would like to
move to a 64-bit environment. Im exploring my options and would appreciate
your expertise:
1) Windows 64-bit: Prof. Brian
Or Duek wrote:
Ok,
It seems that the problem lays in the order (as Ista mentioned),
But, when I ask R to order it he chooses to order it by size and not by the
specific order I mentioned when I built the vector.
Is it possible to tell him to keep the order as mentioned?
Thank you.
You're still
On Sun, Feb 21, 2010 at 2:43 PM, Axel Urbiz axel.ur...@gmail.com wrote:
Dear R users,
I know this issue came up in the list several times. I’m currently running
R on 32-bit on Windows and due to memory limitation problems would like to
move to a 64-bit environment. I’m exploring my options
Thanks a lot, Peter!
--
View this message in context:
http://n4.nabble.com/Newbie-woes-with-par-mar-tp1563745p1563905.html
Sent from the R help mailing list archive at Nabble.com.
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R-help@r-project.org mailing list
I'm using R for x64bit on my Windows machine and I haven't had any problems.
I've installed a number of packages for data analysis and they all seem to
work.
--
View this message in context:
http://n4.nabble.com/R-on-64-Bit-tp1563895p1563910.html
Sent from the R help mailing list archive at
On Feb 21, 2010, at 4:43 PM, Axel Urbiz wrote:
Dear R users,
I know this issue came up in the list several times. Im currently
running
R on 32-bit on Windows and due to memory limitation problems would
like to
move to a 64-bit environment. Im exploring my options and would
influence.measures gives several measures of influence for each
observation (Cook's Distance, etc) and actually flags observations
that it determines are influential by any of the measures. Looks
good! But how does it discriminate between the influential and non-
influential observations by
On 2/21/10, Axel Urbiz axel.ur...@gmail.com wrote:
2) MacOS or Unix. Sorry for my ignorance on this…but if I use any of
these environments on 64-bit and installed R on any of those, this is all I
need to have R working on 64-bit. How about installing specialized packages?
Are the
Hi,
Does R has something similar to vlookup function in excel?
Thank you for the info.
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R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the
?match
and several other ways depending on exactly what you are trying to do.
On Sun, Feb 21, 2010 at 9:15 PM, Roslina Zakaria zrosl...@yahoo.com wrote:
Hi,
Does R has something similar to vlookup function in excel?
Thank you for the info.
[[alternative HTML version deleted]]
Tena koe Roslina
?merge
HTH
Peter Alspach
-Original Message-
From: r-help-boun...@r-project.org
[mailto:r-help-boun...@r-project.org] On Behalf Of Roslina Zakaria
Sent: Monday, 22 February 2010 3:15 p.m.
To: r-help@r-project.org
Subject: [R] vloopkup or search function
Hello.
I'm writing some simple text using sweave, and faced a strange problem
with eps files produced for my plots (one example attached).
Individual eps files are interpreted by ghostscript just fine, and
show up without errors. But once I try to include them into main
LaTeX/Sweave document
A John Chambers article (published back when S was but a twinkle in
his eye) provides an interesting snapshop of pre-SAS statistical
computing:
@article{chambers67,
title={Some general aspects of statistical computing},
author={Chambers, J.M.},
journal={Journal of the Royal Statistical
Axel Urbiz wrote:
Dear R users,
I know this issue came up in the list several times. Im currently
running
R on 32-bit on Windows and due to memory limitation problems would like to
move to a 64-bit environment. Im exploring my options and would
appreciate
your expertise:
1)
Hi
r-help-boun...@r-project.org napsal dne 19.02.2010 19:06:52:
Thank you for response. The problem is that using return(y1) in my
function
formula always returns y1, but what I want is to return it only when I
wish,
like p.value in
t.test(rnorm(100),rnorm(100))$p.value
Put results in
Let's not speculate when doing basic research is so easy. I guess the
thread about 64-bit Windows referred to was
https://stat.ethz.ch/pipermail/r-devel/2010-January/056301.html
https://stat.ethz.ch/pipermail/r-devel/2010-January/056411.html
(note the update).
The CRAN daily check
Peter Dalgaard wrote:
d - data.frame(f=c(rare, medium,well-done))
#To get the cast in order of appearance, this can be used:
d$f - factor(d$f, levels=unique(d$f))
d$f
[1] rare mediumwell-done
Levels: rare medium well-done
.. which caused some head-scratching from me,
I connected to database and i am accessing the tables but i dont know how
to generate graphs from the database tables.
can anyone please help me
i am new to R project
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Sent
hi everyone,
i am new to R project can anyone please help me by providing documents
my goal is using R i have to connect to the database and i have to generate
reports.
Thanks in advance
chinna.
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View this message in context:
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Thank you very much,
You solved my problem.
On Mon, Feb 22, 2010 at 12:42 AM, Peter Dalgaard
p.dalga...@biostat.ku.dkwrote:
Or Duek wrote:
Ok,
It seems that the problem lays in the order (as Ista mentioned),
But, when I ask R to order it he chooses to order it by size and not by
the
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