,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible code.
as may be appropriate. For example:
http://cran.us.r-project.org/bin/windows/base/CHANGES.R-2.12.0.html
HTH,
Marc Schwartz
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Access itself, referenced in the
above.
Also, as an FYI, there is an e-mail list focused on R and database issues. More
info at:
https://stat.ethz.ch/mailman/listinfo/r-sig-db
HTH,
Marc Schwartz
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https
On Oct 22, 2010, at 4:00 PM, David Herzberg wrote:
I start with:
v1-c(1,3,5,7)
v2-c(2,4,6,8)
And I want to end up with:
v3-c(12,34,56,78)
How do I get there?
Thanks,
v1*10 + v2
[1] 12 34 56 78
HTH,
Marc Schwartz
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On Oct 22, 2010, at 4:14 PM, Marc Schwartz wrote:
On Oct 22, 2010, at 4:00 PM, David Herzberg wrote:
I start with:
v1-c(1,3,5,7)
v2-c(2,4,6,8)
And I want to end up with:
v3-c(12,34,56,78)
How do I get there?
Thanks,
v1*10 + v2
[1] 12 34 56 78
David,
It occurs to me
, even (especially?) if you limited the choices to Emacs and Vim... ;-)
Regards,
Marc Schwartz
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to consider that
approach. More information is at:
http://cran.r-project.org/web/packages/RcmdrPlugin.Export/
HTH,
Marc Schwartz
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. Header files are
included in RPMS with the postfix '-devel' and are not usually present in
typical Fedora installations. Thus, using:
sudo yum install perl-devel
should hopefully get you moving forward.
HTH,
Marc Schwartz
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to ESS 5.11:
http://ess.r-project.org/index.php?Section=download
or consider using Vincent Goulet's pre-packaged Emacs 23/ESS install:
http://vgoulet.act.ulaval.ca/en/ressources/emacs/mac
HTH,
Marc Schwartz
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On Oct 28, 2010, at 1:32 PM, Marc Schwartz wrote:
On Oct 28, 2010, at 1:20 PM, claudia tebaldi wrote:
Hi all
Just this morning I upgraded to R 2.12.0 (for Mac OS X 10.6.4).
All went well until I needed to run a help() or help.search() in my session,
which I'm running within Emacs (ESS
difference of 195 days
R has built in arithmetic operations for such dates, without the need to use
another package, since they are effectively numerics with a Date class:
str(Date1)
Class 'Date' num 12551
str(Date2)
Class 'Date' num 12746
?
HTH,
Marc Schwartz
- Original Message
installed, which is available from the OSX DVD in the
Optional Installs section.
HTH,
Marc Schwartz
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Var2
1 0.1 0.1
2 0.2 0.1
3 0.3 0.1
4 0.1 0.2
5 0.2 0.2
6 0.3 0.2
7 0.1 0.3
8 0.2 0.3
9 0.3 0.3
HTH,
Marc Schwartz
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of these are coming back with numbers in the 48,000 to 50,000
***per arm***.
HTH,
Marc Schwartz
On Nov 8, 2010, at 10:16 AM, Mitchell Maltenfort wrote:
Not with R, but look for G*Power3, a free tool for power calc,
includes FIsher's test.
http://www.psycho.uni-duesseldorf.de/abteilungen/aap/gpower3
the '*' formatting
parameter.
See the description towards the end of the Details in ?sprintf
HTH,
Marc Schwartz
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are using any LaTeX packages that might
require the intermediate creation of a DVI and PS file. That would include
packages such as PSTricks, etc.
HTH,
Marc Schwartz
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PLEASE do
family taken to be 1)
Null deviance: 13.863 on 9 degrees of freedom
Residual deviance: 12.767 on 8 degrees of freedom
AIC: 16.767
Number of Fisher Scoring iterations: 4
HTH,
Marc Schwartz
On Nov 12, 2010, at 12:56 PM, Benjamin Godlove wrote:
I think it is likely I am missing something
Biometrika 72, 91-95. 1985
Supported by Breslow in:
Statistics in Epidemiology: The Case-Control Study
N. E. Breslow
Journal of the American Statistical Association
Vol. 91, No. 433 (Mar., 1996), pp. 14-28
and also look at the code for the woolf() function in ?mantelhaen.test
HTH,
Marc Schwartz
. There are extensions of the pairwise McNemar test to greater than two
categories. Some online information is here:
http://www.john-uebersax.com/stat/mcnemar.htm
and there is the ?mh_test implemented in the 'coin' package on CRAN.
HTH,
Marc Schwartz
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.
Have I been hallucinating or is my search-fu week this Friday?
Barry
Baz,
What's wrong with:
options(prompt = paste(format(Sys.time(), %a %b %d %X %Y %Z), ))
Fri Nov 19 09:30:53 2010 CST
Fri Nov 19 09:30:53 2010 CST
Fri Nov 19 09:30:53 2010 CST
?
HTH,
Marc Schwartz
On Nov 19, 2010, at 9:36 AM, Duncan Murdoch wrote:
On 19/11/2010 10:31 AM, Marc Schwartz wrote:
On Nov 19, 2010, at 9:23 AM, Barry Rowlingson wrote:
Someone on stackoverflow.com was wondering how to display the current
time in the R prompt. I could have swore there was a mechanism
/245656.html
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible
at the RCom package tools for this. This
provides greater flexibility in writing to the worksheets and cells.
See http://rcom.univie.ac.at/ for more information.
HTH,
Marc Schwartz
On Jul 13, 2010, at 4:09 PM, Felipe Carrillo wrote:
Check the WriteXLS package, I think it does that and also
results as
compared to the online calculator.
HTH,
Marc Schwartz
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and provide commented, minimal
the DSN connection information
with your Oracle Admin.
See:
vignette(RODBC)
for more information.
Are you by chance on a 64 bit Windows platform, running 32 bit R? If so, be
sure that your ODBC driver for Oracle is 32 bit and not 64 bit, which could
also result in a conflict.
HTH,
Marc
(eg. CSV files) that can be used by both
applications. I don't use Mathematica, so am unfamiliar with their, presumably
proprietary, formats.
HTH,
Marc Schwartz
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PLEASE do
information
specific to your platform relative to numerical characteristics.
HTH,
Marc Schwartz
On Jul 14, 2010, at 10:49 AM, Govind Chandra wrote:
Hi Peter,
Thanks for your response. Yes, I am interested in P-values smaller
than 1e-16. Below a certain value they may not tell much about
and the additional tools are available from:
http://cran.us.r-project.org/bin/macosx/tools/
As a future reference, since this issue is specific to OSX, you would be better
off posting to the R-sig-mac list:
https://stat.ethz.ch/mailman/listinfo/r-sig-mac
HTH,
Marc Schwartz
on a similar query:
https://stat.ethz.ch/pipermail/r-help/2010-July/245291.html
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
that 'Signif' is:
str(Signif)
Class 'noquote' atomic [1:2] ***
..- attr(*, legend)= chr 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
So you will need to coerce it to a vector before cbind()ing to a data frame:
as.vector(Signif)
[1] ***
HTH,
Marc Schwartz
HTH,
Marc Schwartz
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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.
, col.names, sep, dec or qmethod are ignored, with a warning.
If you want to use 'append', you will need to use write.table() and adjust the
other arguments as you require.
HTH,
Marc Schwartz
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the two
bounding sets of characters.
HTH,
Marc Schwartz
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and provide commented, minimal, self
)
The result of which will be a single data frame containing all of the rows from
each of the data frames in the list.
HTH,
Marc Schwartz
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:36 AM, Marc Schwartz marc_schwa...@me.com wrote:
On Jul 15, 2010, at 9:41 AM, Cliff Clive wrote:
I'm running R 2.11.0 on a 32-bit Windows XP machine. Whenever I try to
write
a csv file with 'append' set to TRUE, I get this message: attempt to set
'append' ignored.
Obviously
, Marc Schwartz marc_schwa...@me.com wrote:
On Jul 15, 2010, at 2:18 PM, Ted Byers wrote:
The data.frame is constructed by one of the following functions:
funweek - function(df)
if (length(df$elapsed_time) 5) {
rv = fitdist(df$elapsed_time,exp)
rv$year = df$sale_year[1]
rv$sample
On Jul 15, 2010, at 11:27 AM, AndrewPage wrote:
Actually I have one more question that's somewhat related-- I'm starting out
by importing a .txt file that isn't divided into vectors and is at times
inconsistent with regards to spacing, indents, etc., so I can't rely on
those. It looks
Ted,
Based upon your code below, you might be better off using two lapply()
constructs to create the x and y results separately, taking advantage of
lapply()'s built-in ability to create lists 'on the fly', while returning a
NULL when the function will not be applied to the data based upon
a two level response.
BTW, if you are going to use a function (eg. rmvnorm()) from an external
package, be sure to include the relevant library() call in your example code so
folks don't need to guess which CRAN package(s) may be required to run it.
HTH,
Marc Schwartz
.
Regards,
Marc Schwartz
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and provide commented, minimal, self-contained, reproducible code.
, it was perhaps 20+ years ago,
but as a result, I am quite anal retentive about having backups, which I have
done for some time on my systems, hourly.
HTH,
Marc Schwartz
On Jul 28, 2010, at 5:55 AM, Jarrod Hadfield wrote:
Hi Martin,
I think this is the most likely reason given that the name
On Jul 28, 2010, at 3:18 PM, Bos, Roger wrote:
Ubuntu also uses ~ as a backup file syntax, but Ubuntu has a trash can
where deleted files are located, so it would be easy to restore them. I
would be surprised if Fedora didn't also have a trash can.
snip
Roger,
It does, but that is only if
)
...
Signif. codes: 0 `***' 0.001 `**' 0.01 `*' 0.05 `.' 0.1 ` ' 1
...
HTH,
Marc Schwartz
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mollit anim id est laborum.
HTH,
Marc Schwartz
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and provide commented, minimal, self-contained
Strongly Disagree Somewhat Disagree NeutralSomewhat Agree
0 1 2 7
Strongly Agree
12
Now do the barplot():
MyTab - table(MyData)
barplot(MyTab, names.arg = MyTab)
HTH,
Marc Schwartz
details, which can impact whether or not you can
sell a closed source GUI that runs on top of R.
At the end of the day, you have a fiduciary responsibility to your company to
seek formal legal advice. That is part of the cost of doing business and making
informed decisions.
HTH,
Marc Schwartz
Thanks,
Alfredo
The easiest way is to use a back reference to return the part of the vector
that you want:
gsub(^.*_(.*)\\.csv$, \\1, piante_venere.csv)
[1] venere
In this case, the \\1 returns the part of the regex defined within the parens.
HTH,
Marc Schwartz
at Gabor's 'gsubfn' CRAN package to see if he is
utilities there that may be relevant.
HTH,
Marc Schwartz
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can disable the behavior by putting:
(ess-toggle-underscore nil)
in your .emacs file.
Also, as you may be aware, there is a dedicated ESS help list at:
https://stat.ethz.ch/mailman/listinfo/ess-help
HTH,
Marc Schwartz
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be bolded using a \pkg
directive (eg. \pkg{YourPackageName}), which would bold the package name within
the braces.
If you are doing this outside of those environments, you can duplicate the
effect by using \textbf{YourPackageName}, which would bold the text within the
braces only.
HTH,
Marc
of the dimensions that you have
specified. You can alter that default behavior by using:
\usepackage[nogin]{Sweave}
in your document preamble. The figures will then be set to the sizes that you
define in the figure chunk header.
See ?RweaveLatex for more information.
HTH,
Marc Schwartz
create rotated axis labels?
http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-create-rotated-axis-labels_003f
HTH,
Marc Schwartz
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0.6
7 3 5 0.1
8 4 5 0.0
See ?ave and ?subset
HTH,
Marc Schwartz
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and provide
On Aug 12, 2010, at 2:24 PM, Marc Schwartz wrote:
On Aug 12, 2010, at 2:11 PM, Toby Gass wrote:
Dear helpeRs,
I have a dataframe (14947 x 27) containing measurements collected
every 5 seconds at several different sampling locations. If one
measurement at a given location is less than
On Aug 12, 2010, at 3:06 PM, Toby Gass wrote:
Thank you all for the quick responses. So far as I've checked,
Marc's solution works perfectly and is quite speedy. I'm still
trying to figure out what it is doing. :)
Henrique's solution seems to need some columns somewhere. David's
...)
2. I don't know if the fortunes package is the right place, but this exchange
needs to be captured...
Regards,
Marc Schwartz
P.S. Pardon me while I go visit with the Emacs Psychotherapist (version 23 of
course...)
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:
https://stat.ethz.ch/pipermail/r-help/2010-August/249068.html
perhaps focusing on Thomas' reply, which is the next post in the thread.
Bottom line, don't use the formula method for a paired t test.
HTH,
Marc Schwartz
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On Aug 15, 2010, at 2:48 PM, David Winsemius wrote:
On Aug 15, 2010, at 3:31 PM, Peter Dalgaard wrote:
Marc Schwartz wrote:
On Aug 15, 2010, at 9:05 AM, R Help wrote:
Hello List,
I'm trying to do a paired t-test, and I'm wondering if it's consistent
with equations. I have a dataset
, percentages, other
annotation, etc. as required from the data.
HTH,
Marc Schwartz
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Hi,
If you should decide to pursue the LaTeX approach, you would want to install
MacTeX on your Mac. More information here:
http://www.tug.org/mactex/2009/
MacTeX is a self contained distribution of TeX Live 2009. It also provides an
easy to use GUI based maintenance tool to add packages
Bill et al,
See ?axTicks
plot(3^(0:5), 0:5, log=x,axes=FALSE)
axTicks(1)
[1] 1 2 5 10 20 50 100 200
axTicks(2)
[1] 0 1 2 3 4 5
HTH,
Marc Schwartz
On Aug 16, 2010, at 5:17 PM, William Dunlap wrote:
-Original Message-
From: r-help-boun...@r-project.org
[mailto:r
=
+|, +)[[1]], collapse = ,),
[1] 1 2 3 4 5 3 4 5 6 4 8 5 6 7 10
The key inner part is:
strsplit(gsub( *- *, :, x), split = +|, +)[[1]]
[1] 1 2:5 3:6 4 8 5:7 10
HTH,
Marc Schwartz
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for WriteXLS, is to use the ActiveState Perl distribution, available
from:
http://www.activestate.com/activeperl/
If you have problems or other questions with respect to WriteXLS, let me know.
HTH,
Marc Schwartz
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On Aug 23, 2010, at 4:22 PM, David Winsemius wrote:
On Aug 23, 2010, at 4:52 PM, Marc Schwartz wrote:
On Aug 23, 2010, at 2:50 PM, Eva Nordstrom wrote:
I am using R 2.11.1 in a Microsoft Windows 7 environment.
I tried using WriteXLS, but get the message In system(cmd) : perl
StandID HerbNum Woody
1 001 1 low
2 002 2 high
HTH,
Marc Schwartz
On Aug 24, 2010, at 9:14 PM, bill.venab...@csiro.au wrote:
Do you expect this to be easy? It may be, but I can't see a particularly
graceful way to do it. Here is one possible solution.
dat
that I would start is at Martin Bland's page pertaining to the
design and analysis of measurement studies:
http://www-users.york.ac.uk/~mb55/meas/meas.htm
The papers he co-authored with Doug Altman are the go to resource for this
domain.
HTH,
Marc Schwartz
a client/server model based GUI application (think
Wolfram|Alpha) or via a web browser connecting to a remote R server, yes you
can.
HTH,
Marc Schwartz
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PLEASE do read
...
- attr(*, dimnames)=List of 2
..$ : NULL
..$ : chr [1:5] Sepal.Length Sepal.Width Petal.Length Petal.Width ...
Since a matrix can only contain a single class of objects (recall that a matrix
is a vector with dim attributes), 'iris' becomes a character matrix.
HTH,
Marc Schwartz
a version bump during that time frame. R-Forge packages will not have
the same frequency of commits, but the same approach can be applied.
So you need to differentiate between the ongoing development/commit process and
the versioned release process.
HTH,
Marc Schwartz
8 0.000
9 d2 9 0.6324555
10 e210 1.2649111
11 a311 -1.2649111
12 b312 -0.6324555
13 c313 0.000
14 d314 0.6324555
15 e315 1.2649111
HTH,
Marc Schwartz
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On Aug 26, 2010, at 3:40 PM, Marc Schwartz wrote:
On Aug 26, 2010, at 3:33 PM, Bos, Roger wrote:
I created a small example to show something that I do a lot of. scale
data by month and return a data.frame with the output. id represents
repeated observations over time and I want to scale
0.3137983 4.260 0.46991101.326
3 0.3224966 5.552 0.55189472.026
Petal.Width.SD
1 0.1053856
2 0.1977527
3 0.2746501
HTH,
Marc Schwartz
On Aug 30, 2010, at 8:36 AM, Henrique Dallazuanna wrote:
Try
, where I default to the use of ctable, as I prefer the look. One
approach instead of removing the blank lines, is to just comment them out (eg.
using a '%' character).
I am cc'ing Frank here, in case he is not aware of this, albeit I presume that
he is and that this behavior is a buglet.
HTH,
Marc
-0.01619026 0.94383621 0.82122120 0.59390132
$V5
[1] 0.91897737 0.78213630 0.07456498 -1.98935170 0.61982575
You can argue that the coercion to a list is redundant, since a data frame is a
list, but it may depend upon what you then want to do with the data.
HTH,
Marc Schwartz
as WriteXLS, since the limitation is on the Excel side of the
process as was noted in the information that David provided below.
HTH,
Marc Schwartz
On Sep 7, 2010, at 1:45 AM, Kenneth Roy Cabrera Torres wrote:
Dears Dejian and David:
Thank you for your help.
Maybe dataframes2xls package
,
xlim= c(-3, 3), ylim = c(-3, 3),
xlab = X, ylab = Y, main = My Plot,
asp = 1)
See ?par and 'pty', which defaults to m.
HTH,
Marc Schwartz
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PLEASE do
is in the process, so it may
take some further investigation.
HTH,
Marc Schwartz
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and provide
can take
advantage of R's approach/philosophy in conducting data analysis.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting
0.02184081
NB: The pool.SD switch calculates a common SD for all groups and used that for
all comparisons
See the Details in ?pairwise.t.test
HTH,
Marc Schwartz
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PLEASE do
/Default.aspx
HTH,
Marc Schwartz
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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
domain. However, there are material differences in the
scoring systems now used by QM and the original RAND scoring mechanism, as I
understand it, is almost never used these days.
Regards,
Marc Schwartz
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https
,]733
[10,]35 10
I am guessing the first scenario, but included the second just in case.
See ?sapply in which help for both sapply() and replicate() is available.
HTH,
Marc Schwartz
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https
continue to have problems, please be sure to include the error
message(s) that you get in your post.
HTH,
Marc Schwartz
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advice.
In an R session, see what the result of:
.Machine$sizeof.pointer
gets you.
If it returns 4, you are using 32 bit R and you will need to install 64 bit R.
If it returns 8, you are using 64 bit R.
The information above only tells us/you that you are running a 64 bit OS.
HTH,
Marc
only for analyses, as may be appropriate
relative to splitting the tasks.
You did not indicate just how much RAM you have on the machine in question, but
if it is within your budget/capability, adding more RAM would be the most
transparent approach.
HTH,
Marc Schwartz
assistance for R, as this thread
is getting to be OT for R-Help.
Marc Schwartz
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and provide
in the output.
So it all depends upon how you plan to use the document.
HTH,
Marc Schwartz
On Sep 15, 2010, at 9:50 AM, Bryan Hanson wrote:
There's many ways to solve this, but you are close to one already: Make the
pdf, put the cursor where you want it in the document, then on the menu bar
Insert
$, rha,b,c,drh)
[1] TRUE
You can pass the entire source vector to grepl():
Vec - c(rha,b,c,drh, 1, 2, 3, 4, a, b, c, drh, rh1, 2, 3,
4rh)
grepl(^rh.*rh$, Vec)
[1] TRUE FALSE FALSE TRUE
HTH,
Marc Schwartz
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On Sep 15, 2010, at 10:25 AM, dadrivr wrote:
Thanks for your help, guys. I'm looking to produce a high-quality plot (no
jagged lines or other distortions) with a filetype that is accepted by
Microsoft Word on a PC and that most journals will accept. That's why I'd
prefer to stick with
Schwartz marc_schwa...@me.com
Maintainer: Marc Schwartz marc_schwa...@me.com
License: GPL (=2)
Changes since version 1.9.0:
1. Major version update to 2.x.y
2. Added the ability to specify the name of a list that contains one or more
data frames, in addition to the original vector of one or more
numeric arguments given that 'origin' is
specified, occurred with R version 2.7.0. So are you running a version of R
older than that?
HTH,
Marc Schwartz
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PLEASE do read
. The worksheet name will be
the name of the data frame it contains or can be specified by the user.
Author(s): Marc Schwartz marc_schwa...@me.com
Maintainer: Marc Schwartz marc_schwa...@me.com
License: GPL (=2)
Change since version 2.0.1:
New logical argument 'row.names' to enable the ability to export
on the viability of products in the
development pipeline.
HTH,
Marc Schwartz
Bert Gunter gunter.ber...@gene.com
Sent by: r-help-boun...@r-project.org
09/20/2010 01:31 PM
To
r-help@r-project.org
cc
Subject
[R] OT: Is randomization for targeted cancer therapies ethical
.
See:
require(survival)
?Surv
for more information.
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide
, the Stack Overflow R forum has evolved as an independent online
presence in the recent past, as an alternative for folks who prefer that mode
of interaction.
HTH,
Marc Schwartz
On Sep 21, 2010, at 11:40 AM, Kjetil Halvorsen wrote:
Did you look at:
http://rwiki.sciviews.org/doku.php
)] - DF[, -c(1:2)] * DF$Group
DF
Observation Group Param1 Param2
1 AA 1 3 4
2 BB-1 -5 -6
HTH,
Marc Schwartz
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PLEASE do read
R to code sites a-f as 1 and sites g-l as 2.
Cheers
Kurt
Something along the lines of:
Treatment - ifelse(sites %in% c(a, b, c, d, e, f), 1, 2)
should work. See ?%in% and ?ifelse
HTH,
Marc Schwartz
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that functionality as an
enhancement.
In Frank's Hmisc package, there is the latex() function, which has separate
arguments for 'caption' and 'caption.lot', so you may wish to look at that
approach.
HTH,
Marc Schwartz
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11 9 13
[23] 17 14 5 19 3 20 11 18 16 15 13 20
See ?is.finite
HTH,
Marc Schwartz
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
at 'xaxs' in ?par.
You can also add additional content to the existing plot by then using
functions such as ?points, ?lines, ?segments, etc.
HTH,
Marc Schwartz
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PLEASE do
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