On May 22, 2007, at 9:41 PM, Alex Tsoi wrote:
Dear all,
I try to use read.table to get the data from a tab delimited file,
and some
of the data is shown below:
[snip]
and it means that whenever read.table reads ' , it skips the next
line,
until it reads ' again
Could
On May 21, 2007, at 8:39 AM, Klaus Nordhausen wrote:
Dear R-experts,
I have some questions about boxplots with lattice.
My data is similar as in the example below, I have two factors
(Goodness of Fit and Algorithms) and data values but in each panels
the scales are quite different,
On May 13, 2007, at 7:48 AM, Mihai Bisca wrote:
Hello all,
I'm new to R and I cannot find a simple answer to a simple question.
If I have a character vector like v - c('1/50,'1/2','1/8'...) how can
I convert it to a numeric vector like vn - c(0.02,0.5,0.125...). I
tried as.numeric in
Hi Michael,
On Apr 20, 2007, at 12:31 AM, Michael Toews wrote:
Hi all,
I'm usually comfortable using the *apply functions for vectorizing
loops
in R. However, my particular problem now is using it in a sequential
operation, which uses values evaluated in an offset of the loop
vector.
On Apr 18, 2007, at 8:46 AM, Helmut Schütz wrote:
Dear group members,
I want to compare response variables (logAUC) of two groups
(treatment
Test, Reference) of a subset (period == 1) in dataframe resp
(below):
[ snip ]
The formula method of t.test
result - t.test(logAUC ~ treatment,
On Apr 17, 2007, at 8:03 PM, Anup Nandialath wrote:
Dear Friends,
I have data set with around 220,000 rows and 17 columns. One of the
columns is an id variable which is grouped from 1000 through 9000.
I need to perform the following operations.
1) Remove all the observations with id's
On Apr 16, 2007, at 1:37 AM, Dong-hyun Oh wrote:
Dear expeRts,
I would simplify following code.
-
youtput - function(x1, x2){
n - length(x1)
y - vector(mode=numeric, length=n)
for(i in 1:n){
if(x1[i] =5 x1[i] = 10 x2[i] =5 x2[i]
On Apr 16, 2007, at 10:41 AM, John Kane wrote:
--- Charilaos Skiadas [EMAIL PROTECTED] wrote:
It is not an export option, it is a save as
option. I don't have
a 14 to check, but on a 15 I just go to File - Save
As, and change
the Save as type field to Comma Delimited
(.*.csv). (I suppose
On Apr 14, 2007, at 7:06 AM, John Kane wrote:
--- Adrian Dusa [EMAIL PROTECTED] wrote:
Charilaos Skiadas skiadas at hanover.edu writes:
[...]
I save as csv format all the time, and it offers
me a choice to use
the labels instead of the corresponding numbers.
So you shouldn't
have
On Apr 12, 2007, at 11:28 PM, Thomas L Jones wrote:
library (gam) all I get is an error message.
Error in library (gam) : there is no package called 'gam'
Well, does this mean what it says, or does it mean something
different? For
example, does it mean that such-and-such computer
Corinna,
On Apr 13, 2007, at 8:19 AM, Schmitt, Corinna wrote:
Dear R-Experts,
Since Monday I try to write the right if/else construct for the
program.
I was not successful yet. Important is the order of the if-cases! The
code is running with the 2 if-cases. An if/else construction would
Your problem is different I think, it's the fact that LA$countries is
a factor, and hence you see the factor levels instead of their
labels. Try:
# create data frame
LA - data.frame(countries=c(Chile, Peru, Bolivia), values=c
(10, 12, 13), stringsAsFactors = FALSE)
# call barplot
for the horizontal
attribute?
boxplot - horizontal
barplot - horiz
Cheers,
Christoph
On 13.04.2007, at 15:27, Charilaos Skiadas wrote:
# create data frame
LA - data.frame(countries=c(Chile, Peru, Bolivia), values=c
(10, 12, 13), stringsAsFactors = FALSE)
# call barplot
barplot(LA$values
Weiwei,
I have never had much success installing packages from within R.app
on MacOSX, because the location that it is supposed to save things, /
Library/Frameworks/, needs elevated priviledges, which the app
doesn't seem to try to get. So it at best ends up saving it in some
On Apr 11, 2007, at 5:31 AM, Jose Sierra wrote:
Thank you very much Peters. it runs
Peter Danenberg escribió:
I create a boxplot but the names are too longs and i cant see them
complete.
If you're referring to labels on the x-axis, Jose, I'll
sometimes rotate them and
A new fortune candidate perhaps?
On Apr 10, 2007, at 6:27 PM, Greg Snow wrote:
Remember, everything is better than everything else given the right
comparison.
--
Gregory (Greg) L. Snow Ph.D.
Haris Skiadas
Department of Mathematics and Computer Science
Hanover College
Before you go down that road, I would recommend first seeing if it is
really a problem. Premature code optimization is in my opinion never
a good idea.
Also, reading the Details on ?attach you will find this:
The database is not actually attached. Rather, a new environment is
On Apr 11, 2007, at 7:59 AM, Pietrzykowski, Matthew (GE, Research)
wrote:
R users:
I am trying to replicate the boxplot output I achieve with Minitab
in R.
I realize that R gives the user many more options on the algorithm
used
to
calculate the IQR than Minitab, so I concentrated on
On Apr 9, 2007, at 1:45 PM, Greg Snow wrote:
The licences keep changing, some have in the past but don't now, some
you can get an additional licence for home at a discounted price. Some
it depends on the type of licence you have at work (currently our SAS
licence is such that the 3 people in
On Apr 6, 2007, at 7:39 AM, José Luis Aznarte M. wrote:
Hi! Maybe this is a silly question, but I need the column rank
(http://en.wikipedia.org/wiki/Rank_matrix) of a matrix and R function
'rank()' only gives me the ordering of the elements of my matrix.
How can I compute the column
On Apr 6, 2007, at 12:32 PM, John Kane wrote:
I have simply moved to exporting the SPSS file to a
delimited file and loading it. Unfortunately I'm
losing all the labelling which can be time-consuming
to redo.Some of the data has something like 10
categories for a variable.
I save as csv
On Apr 5, 2007, at 6:50 AM, Schmitt, Corinna wrote:
Dear R-experts,
I still have problems with the reading of a matrix.
Input: matrixData6.txt
A-Paar B-Paar C-Paar D-Paar E-Paar
A 1 3 5 7 9
B 2 4 6 8 10
R-commands:
y=read.table(file=Z:/Software/R-Programme/matrixData6.txt)
y
On Apr 4, 2007, at 7:19 AM, Dan Bolser wrote:
Hi,
I am generating a beautiful plot with the 'levelplot' function over my
square matrix of data. In order to help visualise the data I would
like to draw a diagonal line on the matrix. Because the plot is
actually a trellis object, I am having
I think the problem the OP may be having is that the code will not
work if you put it in a document window in R and then tell R to
source the document. At least not with R.app in MacOSX. This is
what happened when I did it:
source(/tmp/Rtmp0TQfA6/file10d63af1)
enter the number of groups:
On Mar 30, 2007, at 10:56 AM, Gavin Simpson wrote:
This is R, there is always a way (paraphrasing an R-Helper the name of
whom I forget just now).
Can't resist, it's one of my favorite fortunes ;)
That would be Simon 'Yoda' Blomberg:
library(fortunes)
fortune(109)
Haris Skiadas
Department
On Mar 29, 2007, at 3:21 PM, Marc Schwartz wrote:
Since most e-mail systems (list managers, MUA's, etc.) thread based
upon
the headers and not the subject, as described in the above references,
unless you generate a completely new e-mail, your reply will be linked
to the e-mail and thread
On Mar 17, 2007, at 10:52 PM, [EMAIL PROTECTED] wrote:
Hi all - A stupid question here, my apology. I would like to know
how can I flip a vector in R? For example, I have a vector:
a = c(1,2,3)
I would like my vector b to have the following value
b = c(1,2,3)
But what operator I need
On Mar 16, 2007, at 6:26 PM, Mike Prager wrote:
Mike Prager [EMAIL PROTECTED] wrote:
Gurus,
Can I rely on the rownames() function, when applied to a matrix,
always returning either NULL or an object of type character? It
seems that row names can be entered as integers, but as of now
(R
On Mar 15, 2007, at 12:37 PM, Mark Wardle wrote:
Dear all,
I'm struggling with a plot and would value any help!
I'm attempting to highlight a histogram and density plot to show a
proportion of cases above a threshold value. I wanted to cross-
hatch the
area below the density curve. The
On Mar 14, 2007, at 7:05 AM, Alberto Monteiro wrote:
prod(U 0)
But this is not the most elegant solution, because there is
a function to check if all [and another to check if any] component
of a vector of booleans are [is] true: it's all(V) [resp. any(V)].
So:
all(U 0)
Just for the
On Mar 14, 2007, at 8:44 AM, Benjamin Dickgiesser wrote:
Hi,
is there a package available which lets me generate random data for
the geometric distribution with density:
p(x) = p (1-p)^(x-1) ?
rgeom uses the density p(x) = p (1-p)^x.
Why not just use rgeom, and then add 1 to all the
On Mar 13, 2007, at 3:34 PM, Jason Horn wrote:
I'm trying to create a barplot that has two sets of data next to each
other. I'm using barplot with the add=TRUE option, but this simply
adds the second dataset on top of the first, obscuring it. How do I
add the new data to the right on the
On Mar 12, 2007, at 4:54 PM, Bob Green wrote:
Hello,
I am seeking advice regarding how I might add the prefix kc$ to
variables in a series of commands. The complication is that there is
a large number of variables with different commands. Examples of the
variables in typical commands
On Mar 13, 2007, at 12:19 AM, Nguyen Dinh Nguyen wrote:
Dear R helpers,
I have a graph as following; I would like to highlight the
overlapping area
between the two curves. Do you know how to do this?
Thank you in advance for your help.
Perhaps not exactly what you wanted, but it might
On Mar 3, 2007, at 2:29 PM, Michael Kubovy wrote:
Dear r-helpers,
Could you please tell me what's missing:
rbind(paste('txt.est',1:24, sep = ''))
txt.est1, ... txt.est24 are vectors that I wish to rbind.
the paste call just returns a vector of the strings txt.est1 and so
on. Then you
On Mar 3, 2007, at 4:28 PM, bunny , lautloscrew.com wrote:
Please use - for assignments instead of = :
getans = function(x=qids,bnr=1,type=block)
{
#generate name of matrix
matnam=paste(ans,type,as.character(bnr),sep=)
#display result matrix
On Mar 2, 2007, at 9:42 AM, Ido M. Tamir wrote:
Hi,
I can get from a string to a function with this name:
f1 - function(x){ mean(x) }
do.call(f1,list{1:4})
get(f1)
etc...
But how do I get from a function to its name?
funcVec - c(f1,median)
funcVec
[[1]]
function(x){ mean(x) }
I
Sorry, meant for this to go to the whole list.
On Mar 1, 2007, at 3:29 PM, Charilaos Skiadas wrote:
On Mar 1, 2007, at 2:52 PM, steve wrote:
Unfortunately, this applies to print.xtable, and not to latex. I
want to
know how to eliminate them using latex()
1) Why do you need to use latex
I just acquired a copy of Statistical Models in S, I guess most
commonly known as the white book, and realized to my dismay that
most of the code is not directly executable in R, and I was wondering
if there was a source discussing the things that are different and
what the new ways of
On Mar 1, 2007, at 4:36 PM, Robert Duval wrote:
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
Thanks I must admit that I had not looked at the FAQ's, but I have
now and though it might
On Mar 1, 2007, at 6:28 PM, [EMAIL PROTECTED] wrote:
First off, if you are working in perl you might want to be aware of
ruby and the r for ruby project:
http://rubyforge.org/projects/r4ruby/
Hello,
$R-send(qq (xVal - c(1,2,3,4,5,6)));
$R-send(qq (yVal - c(3,5,2,6,1,5)));
$R-send(qq
On Feb 26, 2007, at 10:35 AM, Thaden, John J wrote:
I'd like to use someattributes(), as described
in documentation for R version 2.4.1 (windows build)
help(attributes)
however, someattributes() does not seem to exist.
someattributes()
Error: could not find function someattributes
Is
On Feb 26, 2007, at 3:00 PM, Thaden, John J wrote:
Thanks for correcting me. Actually, my windows
R documentation says mostattributes(), but it
makes no difference -- none of the three show
up as function names or R objects.
That's because there is no mostattributes function, it only works
On Feb 26, 2007, at 3:03 PM, A Hailu wrote:
Hi All,
Why would calls to dnorm and dmvnorm return values that are above
1? For
example,
dnorm(0.3,mean=0, sd=0.1)
[1] 3.989423
Because dnorm gives you the density function, whose integral is the
distribution function, which is likely
All these methods do assume that you don't have nested tag's, like so:
tagtagfoo/taguseful stuff/tagsome garbage/tag
For that you would really need a true parser. So I would double-check
to make sure this doesn't happen.
Do you have any control on where those XML files are generated
though?
On Feb 24, 2007, at 11:37 AM, Gabor Grothendieck wrote:
The _question_ assumed that, which is why the answers did too.
Oh yes, I totally agree, the file snippet the OP provided did indeed
assume that, though nothing in the text of his question did, so I
wasn't entirely clear whether the
I have the following relatively simple problem. Say we have three
factors, and we want to create a cross-tabulation against each of the
other two:
x - factor(rbinom(5, 1, 1/2))
y - factor(rbinom(5, 1, 1/2))
z - factor(rbinom(5, 1, 1/2))
table(x,y)
table(x,z)
This looks like:
y
x 0 1
Hi Dimitris,
On Feb 22, 2007, at 10:27 AM, Dimitris Rizopoulos wrote:
maybe cbind() is close to what you're looking for, e.g.,
tb1 - table(x, y)
tb2 - table(x, z)
cbind(tb1, tb2)
Yes, that was my first thought too, and it does place the values
where I want them, but it completely
This will likely be of interest only (if at all) to MacOSX users. I
use a particular editor called TextMate which I find particularly
suitable for pretty much any task I have to do, from Ruby to LaTeX to
R. Its R support is probably not quite up to par with ESS yet, but it
is at a decent
Hoping this is not off topic...
I am in the process of writing some tutorials for my students for
learning R, and naturally I'm using Sweave for this. So suddenly a
question occurred to me: LaTeX has a recommended way of typesetting
the TeX and LaTeX symbols, via the \TeX and \LaTeX
On Feb 12, 2007, at 6:28 PM, Paul Lynch wrote:
I'm trying to build R on RedHat EL4. The compile went fine, but a
make check ran into a problem and produced a file
internet.Rout.fail. Judging by the last part of that file, it was
trying to run an R routine called httpget to retrieve the URL
On Feb 11, 2007, at 8:57 PM, Mark W Kimpel wrote:
Duncan,
Both yours and Gabor's methods were far superior to mine. I am curious
why you like Gabor's better than yours.
Don't know if the following is why Duncan prefers Gabor's method, but
here is why I would avoid the eval version: In
On Feb 10, 2007, at 4:26 PM, Muenchen, Robert A (Bob) wrote:
Surely R can't do for free what [fill in a SAS or SPSS
product here] does? To try to address those, I've compiled a table
that
is organized by the product categories SAS and SPSS offer. Keep in
mind
that I still know far more
Once again I forgot to reply to the whole list
On Feb 9, 2007, at 8:39 AM, Charilaos Skiadas wrote:
On Feb 9, 2007, at 8:13 AM, John Kane wrote:
The problem is that my dataframe has 1,s in about 50%
of the columns and I only want it to apply to a few
specified columns. My explanation may
On Feb 8, 2007, at 11:07 AM, Zembower, Kevin wrote:
In Henric's recent post, he included this output:
@BOOK{R:Harrell:2001,
AUTHOR = {Frank E. Harrell},
TITLE = {Regression Modeling Strategies, with Applications to
Linear Models, Survival Analysis and Logistic
On Feb 8, 2007, at 12:48 PM, Ben Fairbank wrote:
If my company
came to depend heavily on a fairly obscure R package (as we are
contemplating doing), what guarantee is there that it will be
available
next month/year/decade? I know of none, nor would I expect one.
I would imagine that if
On Feb 8, 2007, at 4:52 PM, Roger Bivand wrote:
Assigning to
the global environment will overwrite objects unless one is
careful, and
even with years of experience only seems worth considering when no
feasible alternative exists; on consideration, alternatives usually
appear.
Or to
Greetings,
I have a problem that I am sure is very straightforward, but I just
can't wrap my head around it. I've read the help pages on text,
plotmath, expression, substitute, but somehow I can't find the answer
to this simple question.
Basically consider the following example:
plot(
I keep forgetting that this list doesn't default to reply-to-all ;).
Sorry hadley, you'll get this twice.
On Feb 4, 2007, at 11:39 AM, Charilaos Skiadas wrote:
On Feb 4, 2007, at 11:19 AM, hadley wickham wrote:
text( c(0.5,1.5), 0.5, parse(text=labels)) ?
You need to parse the text
On Feb 4, 2007, at 3:42 PM, Rene Braeckman wrote:
My question is how to construct the equivalent of myDF$myCol that
can be
used as such. Or is there a better solution?
I think what you want is ?with and wrapping the whole work you want
to do in a function.
Thanks. The help and
On Feb 2, 2007, at 8:07 AM, Lorenzo Isella wrote:
Dear All,
Say you want to plot, on the same figure two quantities, concentration
and temperature, both as function of the same variable.
I'd like to be able to put a certain label and scale on the y axis on
the left of the figure (referring
On Jan 27, 2007, at 3:41 PM, Phillimore, Albert wrote:
Dear R Users,
I am trying to users gsub to remove multiple cases of square
brackets and their different contents in a character string. A
sample of such a string is shown below. However, I am having great
difficulty understanding
On Jan 21, 2007, at 8:11 PM, John Fox wrote:
Dear Haris,
Using lapply() et al. may produce cleaner code, but it won't
necessarily
speed up a computation. For example:
X - data.frame(matrix(rnorm(1000*1000), 1000, 1000))
y - rnorm(1000)
mods - as.list(1:1000)
system.time(for (i in
On Jan 22, 2007, at 10:39 AM, John Fox wrote:
One thing that seems particularly
striking in your results is the large difference between elapsed
time and
user CPU time, making me wonder what else was going on when you ran
these
examples.
Yes, indeed there were a lot of other things
I have been using the wonderful xtable package lately, in combination
with Sweave, and I have a couple of general questions along with a
more particular one.
I'll start with the particular question. I basically have a 1x3 array
with column names but no row names. I want to create a latex
On Jan 21, 2007, at 5:55 PM, miraceti wrote:
Thank you all for lookin at it.
I'll fix the code to preallocate the objects.
and I wonder if there is a way to call anova on all the columns at
the same
time..
Right now I am calling (Y~V1, data) from V1 to V50 thru a loop.
I tried (Y~.,
On Jan 21, 2007, at 2:27 PM, Nils Hoeller wrote:
Now I want R to read.table all files within a given directory and
process them one by the other.
?list.files
?for
Haris
__
R-help@stat.math.ethz.ch mailing list
On Jan 15, 2007, at 8:42 AM, Benjamin Dickgiesser wrote:
Hi,
I am planning on putting some R script in an appendix of a LaTex
document. Can anyone recommend me a way of how to format it? Is there
a way to keep all line breaks without having to insert \\ in every
single line?
I think the
Sorry, meant to send this to the list.
On Jan 14, 2007, at 4:28 PM, Charilaos Skiadas wrote:
On Jan 14, 2007, at 5:50 AM, Chuck Cleland wrote:
Try setting the boxwex argument instead:
Thanks Chuck, that does indeed seem to work pretty well. I'm not
quite sure what the best way
them combined like this much?
TIA
Charilaos Skiadas
Department of Mathematics
Hanover College
P.O.Box 108
Hanover, IN 47243
__
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R
On Dec 14, 2006, at 7:42 AM, Rainer M Krug wrote:
myfunc - function() b - 34
I would add a warning here. It is generally not a good idea for a
function to have side-effects. In this case, if there is a globally
defined value for b already, it will be overwritten. If this function
is in a
On Nov 29, 2006, at 7:58 PM, Benilton Carvalho wrote:
But that's okay, just a matter of adding an extra test (already done).
I'm guessing it would be something like: all(is.na(v) | v==2)
When I asked for clarification about the reasons for this, I assumed
that:
if all(v) is TRUE == any(v) is
at a
disadvantage.
Is this really the case? Does anyone have any such statistics?
Charilaos Skiadas
Department of Mathematics
Hanover College
P.O.Box 108
Hanover, IN 47243
__
R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE
John (and everyone else),
On Nov 9, 2006, at 4:20 PM, John Fox wrote:
Dear Charilaos,
It's very difficult to give definitive answers to the questions
that you
pose because we don't have any good data (at least as far as I
know) about
how widely R is used.
Yes it certainly isn't an
, or in general any other resources that talk about R as a
practical alternative to the other non-free statistical packages.
Perhaps some statistics, or particular examples of use? Any links
would be greatly appreciated.
Thanks for any thoughts/input into this.
Charilaos Skiadas
Department
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