Are there any packages in R that reproduce the package resample of S-Plus?
The sample() function in R doesn't provide equivalent flexibility of
bootstrap() and bootstrap2().
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL
Perfect. Thanks Hadley!
-Original Message-
From: hadley wickham [mailto:[EMAIL PROTECTED]
Sent: Sunday, September 09, 2007 10:11 AM
To: Muenchen, Robert A (Bob)
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] stacking data frames with different variables
Have a look at rbind.fill
,F)] might make
it obvious which were wanted. I'm surprised I didn't get caught by that
long ago.
Cheers,
Bob
-Original Message-
From: Charles C. Berry [mailto:[EMAIL PROTECTED]
Sent: Sunday, September 02, 2007 2:33 PM
To: Muenchen, Robert A (Bob)
Cc: r-help@stat.math.ethz.ch
!
Cheers,
Bob
-Original Message-
From: Gabor Grothendieck [mailto:[EMAIL PROTECTED]
Sent: Sunday, September 02, 2007 10:47 AM
To: Muenchen, Robert A (Bob)
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] Comparing transform to with
Try this version of transform. In the first test we
Hi All,
I'm fiddling with an program to read a text file containing periods that
SAS uses for missing values. I know that if I had the original SAS data
set instead of a text file, R would handle this conversion for me.
Data frames do not allow missing values in their indices but vectors do.
Hi All,
I've been successfully using the with function for analyses and the
transform function for multiple transformations. Then I thought, why not
use with for both? I ran into problems couldn't figure them out from
help files or books. So I created a simplified version of what I'm
doing:
rm(
At 01:21 AM 8/28/2007, David wrote:
On Tue, 28 Aug 2007, Robert A LaBudde wrote:
If you format the column as Text, you won't have this problem. By
leaving the cells as General, you leave it up to Excel to guess at
the correct interpretation.
Not true actually. I had converted the column to Text
or SPSS less confusing.
Is R still being extended in such basic ways, or does that muck up
existing programs too much?
Thanks,
Bob
-Original Message-
From: Gabor Grothendieck [mailto:[EMAIL PROTECTED]
Sent: Sunday, August 26, 2007 8:52 PM
To: Muenchen, Robert A (Bob)
Cc: r-help
27, 2007 10:25 AM
To: Muenchen, Robert A (Bob)
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] subset using noncontiguous variables by name (not
index)
On Mon, 27 Aug 2007, Muenchen, Robert A (Bob) wrote:
Gabor, That works great!
I think this would be a very helpful addition
Thanks for helping me see why R doesn't have the obvious! -Bob
-Original Message-
From: Thomas Lumley [mailto:[EMAIL PROTECTED]
Sent: Monday, August 27, 2007 2:12 PM
To: Muenchen, Robert A (Bob)
Subject: RE: [R] subset using noncontiguous variables by name (not
index)
On Mon, 27
. Clicking on that entry it showed 1/08/2699.
In a column of character data, Excel had interpreted AUG2699 as a date.
The .csv did not actually have a date in that cell, but if I had saved the
.csv file it would have.
David Scott
Robert
Hi All,
I'm using the subset function to select a list of variables, some of
which are contiguous in the data frame, and others of which are not. It
works fine when I use the form:
subset(mydata,select=c(x1,x3:x5,x7) )
In reality, my list is far more complex. So I would like to store it in
a
: http://oit.utk.edu/scc,
News: http://listserv.utk.edu/archives/statnews.html
=
-Original Message-
From: Bert Gunter [mailto:[EMAIL PROTECTED]
Sent: Sunday, August 26, 2007 6:50 PM
To: 'Gabor Grothendieck'; Muenchen, Robert
Hi All,
I'm used to running R on Windows learning Linux. I know ESS is the way
to go in the long run, but I'm trying now to just understand the command
line. I can interactively enter commands, see the results on the screen
and save input output to myresults.txt with this approach:
$script
, August 24, 2007 10:01 AM
To: Muenchen, Robert A (Bob); r-help@stat.math.ethz.ch
Subject: Re: [R] Saving results from Linux command line
Go for the best and do it with ESS.
ESS understands the file extension myfile.rt (not myfile.txt, which is
generic)
as an R transcript and therefore font
I looked long and hard for that information. Thank you VERY much! -Bob
-Original Message-
From: Richard M. Heiberger [mailto:[EMAIL PROTECTED]
Sent: Friday, August 24, 2007 1:52 PM
To: Muenchen, Robert A (Bob); r-help@stat.math.ethz.ch
Subject: Re: [R] Saving results from Linux
As the help files says, ...like the Unix program tee. I thought sink
only diverted to a file. Thanks! -Bob
-Original Message-
From: Thomas Lumley [mailto:[EMAIL PROTECTED]
Sent: Friday, August 24, 2007 2:17 PM
To: Muenchen, Robert A (Bob)
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R
the corresponding pvalues for each values in x.
? pchisq
E.g.
pchisq(x, df, lower.tail=FALSE)
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824
Hi John,
Thanks so much for such a quick reply.
I have tried to set all to Times font running
par(font.lab=6) (not 4, maybe this is a local setting on my machine?)
but now the boxplot shown has the x and y labels in Times New Roman and
the
x and y axis still in Arial. Any idea why R is
.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
Vere scire est per causas scire
?
Thanks.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239
the main question is fair,
are there general guidlines concerning the relationship between level of
significance and effect size for interaction terms.
Thank you in advance for your help,
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e
do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
Robert Gentleman, PhD
Program in Computational Biology
Division of Public Health Sciences
Fred Hutchinson Cancer Research Center
1100 Fairview Ave. N, M2
guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http
In response to those who asked for a better explanation of what the
Vilno software does, here's a simple example that gives some idea of
what it does.
LABRESULTS is a dataset with multiple rows per patient , with lab
sodium measurements. It has columns: PATIENT_ID, VISIT_NUM, and
SODIUM.
DEMO is
Hello all,
Has anyone ( who uses a Linux desktop ) tryed out my stuff I mentioned
a few weeks ago?
Perhaps installed it and run a couple of example programs?
If you have, tell me what you think.
Robert
( it's the tarball in the download section at
http://code.google.com/p/vilno , discussed
Hi List,
I get an error message compiler cannot create executables when I try
to install a package.
Searching the list archives reveals many messages with the same error
message. The advice is generally to install g++ and development libraries.
However, I have g++ installed and can compile
-Original Message-
From: Prof Brian Ripley [mailto:[EMAIL PROTECTED]
The advantage of dual processors is that you can use the
machine for several things at once, including multiple R
jobs. For example, when I am doing package checking I am
typically checking 4 packages at once
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
Vere scire est per causas scire
Dear R Users,
I hope that there is someone who has an experience with a problem that I
describe below and will help me.
I must buy new desktop computer and I'm wondering which processor to choose
if my only aim is to speed up R. I would like to reduce a simulation time -
sometimes it takes days.
.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
Vere scire est per causas scire
place a ) after y).
3. To find numerical roots, see uniroot().
4. If you want more help, you'll have to specify domains or values for x and y.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations
At 01:29 PM 6/17/2007, adschai wrote:
Thank you so much Robert. Please find the information below.
The scale 1-10 are subjective physical condition ratings scored by
inspection engineers at the site. 1-5 are in very bad conditions
(bridge close down to seriously deteriorated). The rest from 6
At 03:17 AM 6/16/2007, adschai wrote:
Thank you so much Robert. I haven't thought about the idea of
clumping categories together. One of the reason is because these
categories are bridge condition rating scores. They indeed represent
different meaning and serviceability conditions. They vary
append two summaries
below.
Thanks in advance,
Robert
### example 1 ###
Family: gaussian
Link function: identity
Formula:
dep[sel, i] ~ s(date, k = 3) + s(depth, k = kn) + s(temp, k = kn) +
s(light, k = kn) + s(PO4, k = kn) + s(DIN, k = kn) + s(prop.agpla,
k = kn)
Parametric coefficients
utilized. And don't use so many categories.
People have trouble even selecting responses on a 5-level scale.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com
[ Arrggh, not reply , but reply to all , cross my fingers again , sorry Peter! ]
Hmm,
I don't think you need a retain statement.
if first.patientID ;
or
if last.patientID ;
ought to do it.
It's actually better than the Vilno version, I must admit, a bit more concise:
if ( not
A number of people are having the same problem as me, when you post as
a response to an ongoing thread, in place of your message, the
following message appears:
An embedded charset-unspecified text was scrubbed ...
and a link is given that leads to the desired message.
It's better than nothing
Hello All,
Here is the requested information. Most of it was on the original post for the
Tools For Preparing Data For Analysis thread from last week, but it
got overlooked.
They are all given under an open source license.
Check 'em out!
***
. Consider a change to white, nonwhite.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia
In clinical trial data preparation and many other data situations, the
statistical programmer needs to merge and re-merge multiple input
files countless times. A syntax for merging files that is clear and
concise is very important for the statistical programmer's
productivity.
Here is how Vilno
snip
Note that files with a .csv extension are also associated with
Excel and can opened with a double-click. Comma-separated-value files
also can be unambiguously loaded by Excel without parsing.
Robert A. LaBudde, PhD, PAS, Dpl
Wald
confidence interval, which obviously assumes a normal distribution applies.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive
with.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
are not very accurate, so the differences
between these formulae are difficult to justify in practice.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824
, that would be optimal for some of us. I
would like to learn a tad more, if it were not too much effort for
someone else to point me in the right direction?
Cheers,
Hank
On Jun 8, 2007, at 8:47 AM, Douglas Bates wrote:
On 6/7/07, Robert Wilkins [EMAIL PROTECTED] wrote:
As noted on the R-project
At 06:36 PM 6/9/2007, Marco wrote:
On 6/9/07, Robert A LaBudde [EMAIL PROTECTED] wrote:
At 12:57 PM 6/9/2007, Marco wrote:
snip
snip
Hmmm I'm a bit confused, but very interested!
So you don't use the R ecdf, do you?
Only when an i/n edf is needed (some tests, such as ks.test() are
based
should use pnorm(z, lower.tail=FALSE) instead of 1-pnorm(z)
because the former returns a more accurate answer for large z.
This is really simple issue, and has no inherent complexity
associated with it.
Robert A. LaBudde, PhD, PAS, Dpl
(link='log'))
but this doesn't quite do the trick. The standardized deviance
residuals are still curved away from normal at the tails.
Thanks for any info you can give on this nonstandard model.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS
That may sound like a stupid question, but if it confuses me, I'm sure
it confuses others as well. I've tried to find that information on the
R mail-group info pages, can't seem to find it. Is it something
obvious?
To begin a brand new discussion, you do your post as an e-mail sent to
(desparately) looking for employment. But once I've found new
employment and living quarters and settled in, I will continue to
enhance Vilno in my spare time.
The founder: that would be me, Robert Wilkins
Find it at: code.google.com/p/vilno ( GNU GPL )
( In particular, the tarball
An additional option for Windows users is Micro Osiris
http://www.microsiris.com/
best
robert
On 6/7/07, Robert Wilkins [EMAIL PROTECTED] wrote:
As noted on the R-project web site itself ( www.r-project.org -
Manuals - R Data Import/Export ), it can be cumbersome to prepare
messy and dirty
on ).
What's the best way to view and read discussions in this group for
recent days? Can I view the postings for the current day via Google
Groups?
I hope I'm posting correctly.
What does ethz and ch stand for? Is ch for Switzerland?
Robert
__
R-help
.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
Vere scire est per causas scire
.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
Vere scire est per causas scire
in R.
At 10:29 PM 5/27/2007, Gabor wrote:
On 5/27/07, Robert A. LaBudde [EMAIL PROTECTED] wrote:
As I was working through elementary examples, I was using dataset
plasma of package HSAUR.
In performing a logistic regression of the data, and making the
diagnostic plots (R-2.5.0)
data(plasma
to
be determined by inspection.
Thanks again for answering these simple questions that seem to be the
hardest to find answers for.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL
solution
of converting ~ to its full path expansion.
Thanks,
Robert
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented
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For any assistance for creating . time
Hi dear R users,
I'm a R beginner and I have a basic question about sequential treatments of
lists.
I have a time based (i.e. events are consecutive) list of values of a
biological property.
Like :
time value
15
210
3 7
4 10
5 19
6 21
7 20
8
Hi All,
Can anyone tell me why the length function does not use na.rm? I know
how to work around it, I'm just curious to know why such a useful option
was left out.
I'm also interested in the logic of setting na.rm=TRUE as the default on
mean, sd, etc. This is the opposite of the many other stat
, it seems to me to be entirely an R question, if
someone wants to know how to remove a menu item from the windows
version, that seems to be a pretty general question about manipulating
R, and has nothing to do with any specific package.
Robert
Prof Brian Ripley wrote:
Please ask questions about
sure you
are performing the same fit in both cases.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757
.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757
=
6.7500-4.2500
-5.2500 3.7500
I also tried mvfft with inverse but can't get same result with ifft2. Does
any function work?
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations
. I am unsure about how to go about this.
Any suggestions would be appreciated.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive
:09 AM 5/3/2007, Greg wrote:
Thanks for replying Robert. Forgive me, it might be the hour or my
limitations, but I am a little unclear on how to implement your suggestion.
In my original example,
plot(survfit(Surv(days,status==1),subset(tips,meld10))
A plot of the fraction of patients surviving
.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive Tel: 757-467-0954
Virginia Beach, VA 23464-3239Fax: 757-467-2947
Vere scire est per causas scire
Dear R Experts,
Why I try to run this expression:
x-sapply(rnorm(rep(10,10),mean=9,sd=1.5),mean)
it evaluates the first 1 values and then stops, but does not return
to the command prompt. My cpu keeps running at 100%. When I exit the
expression with CTL-C, I then see that x holds
this numerically? Is it a single instance
of a larger, more general problem?
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824 Timberlake Drive
anybody help me understand what I'm missing here?
Thanks again for your help.
Robert
__
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https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
Hi Keti
Before reinventing the wheel from scratch you might want to take a
look at the survey package
http://faculty.washington.edu/tlumley/survey/
best
robert
On 4/24/07, Keti Cuko [EMAIL PROTECTED] wrote:
Hi,
My name is Katie and I was wondering if you could help me with my problem. I
am
something to do with
'start' and 'stop', of which arguments I am apparently clueless as to
the meaning.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least Cost Formulations, Ltd.URL: http://lcfltd.com/
824
but this is not
elegant and unpractical when one doesn't know in advance the magnitude
of a number)
robert
On 4/23/07, Mike Prager [EMAIL PROTECTED] wrote:
Sebastian P. Luque [EMAIL PROTECTED] wrote:
I came across a case where there's a discrepancy between minimum and
maximum values
will amplify gecko951's question to include How you you
concatenate two strings in R?. I.e.,
x-abc
y-def
What operator or function returns abcdef as a result?
Thanks.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least
. Replace
pdf(/tmp/graph/x.pdf)
with
pdf(paste(paste('/tmp/graph/',x,sep=''),'.pdf',sep=''))
and the program should now work for the different file names.
Robert A. LaBudde, PhD, PAS, Dpl. ACAFS e-mail: [EMAIL PROTECTED]
Least
still works, as written some
unbelievably long time ago)
Robert
Mark
This is not an offer (or solicitation of an offer) to buy/se...{{dropped}}
__
R-help@stat.math.ethz.ch mailing
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jim Lemon
Sent: Tuesday, April 17, 2007 12:37 PM
To: Pedro A Reche
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] help comparing two median with R
Pedro A Reche wrote:
Dear R users,
I am new
Dear R Users,
May be you are interested in an article that compares 9 statistical
softwares (including R).
Any comments are appreciate.
Article:
Keeling, Kellie B.; Pavur, Robert J.A comparative study of the reliability
of nine statistical software packages Computational Statistics and Data
to put a background picture on
a plot window,
but I have not found anything.
Advice, anyone?
Cheers
Robert Biddle
__
R-help@stat.math.ethz.ch mailing list
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PLEASE do read the posting guide http://www.R
uses the term image for something different. I was also imagining it would
be some kind of
background parameter, and it wasn't.
:-(
Anyway, thanks again: I now have what I need.
Robt
David Forrest wrote:
On Wed, 11 Apr 2007, Robert Biddle wrote:
Hi:
I am doing some work that involves plotting
to come?
robert
On 4/11/07, Marc Schwartz [EMAIL PROTECTED] wrote:
On Wed, 2007-04-11 at 11:26 -0500, Marc Schwartz wrote:
On Wed, 2007-04-11 at 17:56 +0200, Bi-Info
(http://members.home.nl/bi-info) wrote:
I certainly have that idea too. SPSS functions in a way the same,
although
Hi All,
I'm trying to understand the difference between do.call and lapply for
applying a function to a list. Below is one of the variations of
programs (by Marc Schwartz) discussed here recently to select the first
and last n observations per group.
I've looked in several books, the R FAQ and
=
-Original Message-
From: Marc Schwartz [mailto:[EMAIL PROTECTED]
Sent: Monday, April 09, 2007 1:06 PM
To: Muenchen, Robert A (Bob)
Cc: R-help@stat.math.ethz.ch
Subject: Re: do.call vs. lapply for lists
On Mon, 2007-04-09 at 12:45 -0400, Muenchen, Robert A (Bob) wrote:
Hi All
Hi R Users,
In Windows I can clear console using CTRL-L, but can I do this by certain
command in my programs? e.g
for (i in 1:10){
something
clear console
}
Best,
Rob
[[alternative HTML version deleted]]
__
Gabor thank you very much. It works wonderful.
Rob
-Original Message-
From: Gabor Grothendieck [mailto:[EMAIL PROTECTED]
Sent: Thursday, April 05, 2007 1:39 PM
To: Robert McFadden
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] clear console
Check out:
http
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Schmitt, Corinna
Sent: Monday, April 02, 2007 2:58 PM
To: r-help@stat.math.ethz.ch
Subject: [R] Device drivers - png()/jpeg()
Hallo R-experts,
I produced a R graphic with the help of the
posting guide
best
robert
On 4/1/07, Tong Wang [EMAIL PROTECTED] wrote:
Hi,
I just got a quick question here, when I install a new version of R , is
there an easy to keep the installed R packages ?
Thanks a lot for any help.
tong
__
R
, Robert A (Bob)
Cc: R-help@stat.math.ethz.ch
Subject: RE: [R] how to get lsmeans?
From: Douglas Bates
On 3/22/07, Muenchen, Robert A (Bob) [EMAIL PROTECTED] wrote:
Perhaps I'm stating the obvious, but to increase the use of R in
places where SAS SPSS dominate, it's important to make
Hi All,
Perhaps I'm stating the obvious, but to increase the use of R in places
where SAS SPSS dominate, it's important to make getting the same
answers as easy as possible. That includes things like lsmeans and type
III sums of squares. I've read lots of discussions here on sums of
squares I'm
=
-Original Message-
From: Marc Schwartz [mailto:[EMAIL PROTECTED]
Sent: Tuesday, March 20, 2007 8:58 PM
To: Muenchen, Robert A (Bob)
Cc: R-help@stat.math.ethz.ch
Subject: Re: [R] Select the last two rows by id group
On Tue, 2007-03-20
Hello and thanks in advance for your time. I currently have a
simulation running on my cluster with the help of snow that relies on
global variables being changes regularly to random values. It uses
these values, lets call them x1 x2 and x3, in custom functions for
logliklyhood and
Very nice! This is almost duplicates the SAS first.var and last.var
ability to choose the first and last observations by group(s).
Substituting the head function in where Marc has the tail function below
will adapt it to the first n. It is more flexible than the SAS approach
because it can do the
Can someone remind me how to change the columns in df.a into a two column
df.b that contains one column of data and another column of the original
column headings as levels.
Example:
a=1:3
b=4:6
c=7:9
df.a=data.frame(a,b,c)
Should become in df.b:
dat lev
1 a
2 a
3 a
4 b
5
I cannot seem to get the aic or extractaic call to work with multinomial
logistic regression models.
Here is what I am doing:
library('Design')
lrm1-lrm(r1~p1)
#where p1 is multinomial and r1 is binomial
library('MASS')
aic(lrm1)
Error in if (fam %in% c(gaussian, Gamma, inverse.gaussian)) p - p
You don't tell us your OS, but the system() command should let you use your
OS to copy/move files on most OSs.
see ?system
Other commands that might be helpful for this job are:
?setwd
?getwd
?dir
- Original Message -
From: Kim Milferstedt [EMAIL PROTECTED]
To:
You might want to start looking at the FAQ's
http://cran.r-project.org/faqs.html
in particular
http://cran.r-project.org/doc/FAQ/R-FAQ.html#R-and-S
robert
On 3/1/07, Charilaos Skiadas [EMAIL PROTECTED] wrote:
I just acquired a copy of Statistical Models in S, I guess most
commonly known
hi,
there are a couple of alternatives, i'm sure someone is going to bring
up vi/emacs ;)
i'd suggest you take a look at rkward (http://rkward.sourceforge.net/)
and eclipse with the statet-plugin (http://www.eclipse.org/,
http://www.walware.de/goto/statet).
depending on which desktop your
We are working on a project on forecast modeling and would like to know if
there are any examples on how to READ/WRITE to a database (e.g.
PostgreSQL)
using R-Project. I do have a sample R Script which takes input as files
from
a directory and writes back output files to a directory. I
I think the name of what you want is simple.freqpoly()
Try:
library(UsingR)
?simple.freqpoly
HTH,
Rob Baer
I am a new R user and so I thought I could start with Using R for
Introductory statistics by Verzani.
In order to use some of the functions and datasets I have to install the
simpleR
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