RDQA is a package for Qualitative Data Analysis built upon R. It works
both on the Windows and Linux/FreeBSD platforms. RQDA is an
easy-to-use tool to assist in the analysis of textual data. At the
present, it supports only plain text format data. All the information
is stored in SQLite database vi
Hi,
subject=c(1,1,1,2,2,2)
visit=c(1,2,3,1,2,3)
x1=c(0.5,1.2,0.7,0.4,0.6,0.1)
cum=NULL #initialize
for(i in 1:length(subject)){
cum[i]=sum(x1[subject[i]==subject&visit[i]>=visit])
}
I am sure there is a way with tapply or similar functions that is
computationally more efficient. But if your dat
Bill is right. Generally, a more appropriate type of question to the list
would, for example, be: I want to run OLS. What is the function to do it in
R (although this is a particularly stupid example as it is on the first
pages of almost all manuals)? You would typically write to the R list if you
I have a data set like the following:
subject visit x1
1 1 0.5
1 2 1.2
1 3 0.7
2 1 0.4
2 2 0.6
2 3 1.0
.
where x1 is the interval between the two visits. Now I want to calculate the
cumulative intervals since the beinging, for example
subject visit x1 cum
1 1 0.5 0.5
1 2 1.2 0.5+1.2
1 3 0.7
On Mon, 24 Nov 2008, Paul Hiemstra wrote:
Prew, Paul schreef:
Hello,
Does anyone know whether a Windows version of the Ratings package will
be available?
Thank you, Paul Prew
Hi Paul,
If there are no binary version of the package you can always build the
package from source yourself. Ch
On Sun, 23 Nov 2008, Hesen Peng wrote:
Hey my R buddies,
I installed the "snow" and "rpvm" package on my Lenovo Thinkpad T400
today. The experiment below gave me a surprise. The time consumed by
serial processing was several times larger than that taken by parallel
processing. I'm very curious
R help does have guidelines. (See the bottom of any message to R help,
including yours.) Here is a relevant extract from them:
"Basic statistics and classroom homework: R-help is not intended for these."
Your questions are entirely inappropriate.
It would also be courteous if we knew your nam
I have to answer the following question for a homework assignment.
A researcher was interested in whether people taking part in sports at
university made more money after graduating, taking into account the
students' GPA. They sampled 200 alumni from a large university. The
variables are: income
Dear R experts and statisticians,
I have some time series datasets, they are several years vegetation indices
(about 50 data points per year) sampled from different station. These indices
have similar dynamics with seasonal change.
My questions are,
1) How can I compare the difference amo
Here's one way with ggplot2
library(ggplot2)
p <- qplot(mpg, wt, data=mtcars)
vplayout <- function(x, y)
viewport(layout.pos.row=x, layout.pos.col=y)
grid.newpage()
pushViewport(viewport(layout=grid.layout(3,3)))
print(p, vp=vplayout(1,1))
print(p, vp=vplayout(1,2))
print(p, vp=vplayout(1,3))
prin
John Sorkin grecc.umaryland.edu> writes:
> I have crated a file containing data with x and y
> values and have plotted the data using the output of gam. I
> would like to overlay an x,y plot of the data on top of
> the line returned by gam.
Why not plot the gam fit first and then use points
p <- array( 0, dim =c(5,100))
porig <- array( 0, dim =c(5,1))
x1 <- array( rnorm(990,mean=0,sd=1), dim =c(4,10))
x <- rbind(c(1,1.5,1.4,3,1.9,4,4.9,2.6,3.2,2.4),x1)
#this randomizes each column
apply(x, MARGIN=2, FUN=sample)
I will try and think about it more, but I am not a great programer.
Wha
Joseph Magagnoli gmail.com> writes:
> I ran a Weibull model, and I am wondering if there is any way to extract
> the log likelihood. I tried loglik(model) but it does not seem to work
> any help would be greatly appreciated
> joe
>
You have to tell us what you mean by "ran a Weibull model
Hey my R buddies,
I installed the "snow" and "rpvm" package on my Lenovo Thinkpad T400
today. The experiment below gave me a surprise. The time consumed by
serial processing was several times larger than that taken by parallel
processing. I'm very curious how this happened. Thank you very much.
>
Hello useRs,
I would like to break out of a for loop from within a function upon
some user input. For example, a user hits "Cancel" from a tcl widget
called iteratively within a for loop. The for loop then breaks at the
current iteration.
I can only seem to get break and stop to work at the t
I'm sorry if I wasn't clear before...
Although it is hidden syntactically, a for-loop construct is
implemented
by a call to the "for" function:
"for"(var, list, expr)
...where var is the iteration variable, list is the sequence of
values
assigned to var on successive iterations, and expr is the
bEST is up to you to define. Here is one simple way
y.new <- c(t(model.matrix(~factor(y)-1)))
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
On Behalf Of zerfetzen
Sent: Saturday, November 22, 2008 12:00 PM
To: r-help@r-project.org
Subject: [R] What's the BEST way i
Hi all,
I ran a logit model and I would like to calculate the ePCP. The problem is
that I have missing data and I cant calculate the ePCP. Does anyone know
how to calculate this with missing data? here are the codes I used-but I
guess it only works when the data is complete
###Model 2
#1 esti
Definitely if you want to make sure of the cores.
On Sun, Nov 23, 2008 at 6:09 PM, Hesen Peng <[EMAIL PROTECTED]> wrote:
> I see. So is it a good idea to use the snow package in running
> programs on my intel duo core computer?
>
> 2008/11/23 jim holtman <[EMAIL PROTECTED]>:
>> R is single threade
On Sun, 23 Nov 2008 18:19:19 -0800,
Suyan Tian <[EMAIL PROTECTED]> wrote:
> Hi, I just try to draw multiple plots in one page using R, I used par
> command. For example I have 7 plots, but instead of arranging them in
> the default way
> plot1 plot2 plot3 plot4 plot5 plot6 plot7
> I want them in
You can use frame() to skip a place.
On Sun, Nov 23, 2008 at 9:19 PM, Suyan Tian <[EMAIL PROTECTED]> wrote:
> Hi, I just try to draw multiple plots in one page using R, I used par
> command. For example I have 7 plots, but instead of arranging them in the
> default way
>
> plot1plot2 plot3
>
Hi, I just try to draw multiple plots in one page using R, I used par
command. For example I have 7 plots, but instead of arranging them in
the default way
plot1plot2 plot3
plot4 plot5 plot6
plot7
I want them in this order
plot1 plot2 plot3
plot4 plot5 plot6
plot7
In addition to Daniel, you can also use Nomachine NX to run remote
X-sessions. Server software is available for linux and solaris and
clients are available also for windows. Check out http://www.nomachine.com/.
cheers,
Paul
Daniel Høyer Iversen schreef:
Hey
I have R installed om my Ubuntu se
Prew, Paul schreef:
Hello,
Does anyone know whether a Windows version of the Ratings package will
be available?
Thank you, Paul Prew
CONFIDENTIALITY NOTICE: \ This e-mail communication an...{{dropped:11}}
__
R-help@r-project.org mailing list
http
I see. So is it a good idea to use the snow package in running
programs on my intel duo core computer?
2008/11/23 jim holtman <[EMAIL PROTECTED]>:
> R is single threaded except for some the BLAS matrix routines; it will
> only effective use a single core most of the time unless you have a
> proble
Dear R guru,
I am Saikat Sarkar working as a researcher of Economics in Tampere
University, Finland. I am trying to estimate some Garch related tests with
Bayesian analysis by R programme.
I am not good in R but trying to survive.
Anyway I have the coding but not working properly. I
a friend of mine sent me the following and I'm thinking that there are
people on this list that might be interested and could also hit the 10%
improvement mark possibly ? i don't know any more about it than the
article says so, if someone is interested, I guess you would have to
contact netf
Both SparseM and Matrix have facilities for rbind and cbind
that allow you to concatenate pieces of sparse matrices together.
On Nov 23, 2008, at 2:19 PM, Atul Kulkarni wrote:
Hi All,
I am dealing with a large data set which translates in to a sparse
matrix, I
want to load this data that i
My Dear R buddies,
I'm feeling ashamed that I've been running my R program on some
servers for a while but do not know exactly how R is working. The
servers are chained together using Sun Grid Engine. Each node has 8
quad-core CPUs. I wonder how many cores and CPUs are used by a simple
single-thre
What matrix package are you using? I have not used sparse matrices,
but a quick look at the help file of Matrix talks about a file format
for reading in a sparse matrix. I would assume that all you need to
do is to read in your files and write them out in that format. You
can do it in using 'lis
Hi All,
I am dealing with a large data set which translates in to a sparse matrix, I
want to load this data that is spread in approximately 17000+ files each
defining a row and each file has variable number of records that come with
its column number and the value that they store.
I wish to load
Hello, I have a problem with a tklistbox. The user should be able to choose
one out of two calculation methods needed for further calculations. My
r-script for that purpose looks like that:
require(tcltk)
tt<-tktoplevel()
tl<-tklistbox(tt,height=4,selectmode="single",background="white
Thankyou for the quick reply
p <- array( 0, dim =c(5,100))
porig <- array( 0, dim =c(5,1))
x1 <- array( rnorm(990,mean=0,sd=1), dim =c(4,10))
x <- rbind(c(1,1.5,1.4,3,1.9,4,4.9,2.6,3.2,2.4),x1)
i = 1; j=1;
for ( i in (1:5) )
{
xorig1 = x[1,(1:5)];
xorig2 = x[1,(6:10)];
yorig = t.test(x1,x2
Ajay and R fans,
I'll never think my several lines of simplest PHP codes can be
something great. They only shortcut Rweb and wordpress. But, SaaS is
really wonderful. If only some R web interface can be smartly deployed
in an integrated network of servers, say, current global server
services donat
Original message
>Date: Thu, 20 Nov 2008 09:41:11 +0100
>From: "David Hajage" <[EMAIL PROTECTED]>
>Subject: Re: [R] Elegant way to transform dataframe?
>To: "Barry Rountree" <[EMAIL PROTECTED]>
>
> I suggest you to have a look to the reshape package,
> by Hadley Wickham : http:/
would you post reproducible code with dummy data so that we have
something to start with.
thanks
On Sun, Nov 23, 2008 at 12:08 PM, gauravbhatti <[EMAIL PROTECTED]> wrote:
>
> hi I have a matrix (10x10) and I have to perform t tests on each row by
> considering first 5 elements as data set A and ne
hi I have a matrix (10x10) and I have to perform t tests on each row by
considering first 5 elements as data set A and next 5 as data set B. This
part is easy, However after one t test on each row, I have to randomly
permute each column to get new values for each row and then perform another
t.tes
Thanks for the help, I've a few more functions to get familiar with. Those
are definitely concise ways to do this! :)
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Sent from the R help mailing list archive at Nab
In that case won't
x2 <- (x-min(x))/(max(x)-min(x)) ## establishes criterion 1
x3 <- x2/sum(x2) ## establishes criterion 2
work? I haven't thought about this very carefully, but
since transformation makes min(x)=0 and max(x)=1 (and therefore
sum(x)>1 -- although it won't work
On Sun, Nov 23, 2008 at 7:43 PM, Ben Bolker <[EMAIL PROTECTED]> wrote:
> Rainer M Krug gmail.com> writes:
>
>>
>> Hi
>>
>> I want to du a sensitivity analysis using Latin Hypercubes. But my
>> parameters have to fulfill two conditions:
>>
>> 1) ranging from 0 to 1
>> 2) have to sum up to 1
>>
>
>
Rainer M Krug gmail.com> writes:
>
> Hi
>
> I want to du a sensitivity analysis using Latin Hypercubes. But my
> parameters have to fulfill two conditions:
>
> 1) ranging from 0 to 1
> 2) have to sum up to 1
>
Perhaps I'm missing something, but it seems that there's
only one vector that sa
I originally wrote:
>>> This algorithm depends crucially on union preserving the order of the
>>> elements of its arguments. As far as I can tell, the spec of union
>>> does not require this. If union were to (for example) sort its
>>> arguments then merge them (generally a more efficient algorit
Hi
I want to du a sensitivity analysis using Latin Hypercubes. But my
parameters have to fulfill two conditions:
1) ranging from 0 to 1
2) have to sum up to 1
So far I am using the lhs package and am doing the following:
library(lhs)
ws <- improvedLHS(1000, 7)
wsSums <- rowSums(ws)
wss <- ws /
Its a matter of where aov is looking for objects. Try
replacing the av<- line in test.data.frame with the
following which substitutes in the formula and
then evaluates the statement (so that it does not
have to look for it):
av <- eval(substitute(aov(fo, x), list(fo = formula(model
On Sun,
Thank you all for the help and enlightening comments.
EC
On Sun, Nov 23, 2008 at 4:40 PM, jim holtman <[EMAIL PROTECTED]> wrote:
>
> You do have to read a little further on the help page to make sure
> that duplicates are removed if they appear after, and not before,
> others in the vector to see
I WROTE THIS FUNCTION BELOW
test <- function(x, ...) UseMethod('test', x)
test.data.frame = function(x, model, which, error, ...)
{
av <- aov(formula(model), data = x)
res <- test.aovlist(av, which = which, error = error)
return(res)
}
test.aovlist <- function(x, which, error, ...)
{
mm
_ gmx.net> writes:
> after choosen the plot in witch I want to draw a point, just the first
> plot draws the point
> Is it a bug or just a user-problem ?
>
> Example :
> split.screen(c(2,1))
> screen(1)
> plot(1:10)
> screen(2)
> plot(10:100)
>
> screen(n=1, new=F)
> points(4,3, col="red")
> s
Before raising the bug flag, one should read the help page (more?)
carefully:
Warnings
The recommended way to use these functions is to completely draw a
plot and all additions (i.e. points and lines) to the base plot, prior
to selecting and plotting on another screen. The behavior
Hi,
The web interfaces are great examples of using R from the web. The wordpress
plugin is a great creative thought.
Taking this further- since one critical point in R vs SAS or other Corporate
Type Software is the way it handles memory,
could we install say R web and these plugins on a cloud sc
You do have to read a little further on the help page to make sure
that duplicates are removed if they appear after, and not before,
others in the vector to see that the order is preserved:
"Note that unlike the Unix command uniq this omits duplicated and not
just repeated elements/rows. That is,
Hi David,
That looks like a bug! I'll look into it.
Regards,
Hadley
On Sat, Nov 22, 2008 at 1:07 PM, David Hajage <[EMAIL PROTECTED]> wrote:
> Hello R users (and Hadley)
>
> I have another question about ggplot2 :-)
>
> (version 0.8)
>
> `dat` <-
> structure(list(D = c("a", "b", "c", "d"), G =
Bonjour
Jâaimerai bien savoir  comment implanter un réseau de neurone pour la
prévision des séries temporelles financières (Apprentissage, test,
validation et prévision) en utilisant lâalgorithme MLP sous le logiciel R.
Cordialement
AAZZAB Abdelkrim Â
[[alternative H
Dear R fans,
I wrote a trivial wordpress plugin for users of wordpress and Rweb (or
other web interface )
Plugin URL: http://lixiaoxu.lxxm.com/rwebfriend/
Xiaoxu
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PLEASE
Excellent the double escape does the job - thanks to everyone who replyed!
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R-hel
Define inner as in:
http://tolstoy.newcastle.edu.au/R/e4/help/08/08/19562.html
and use that with identical to define an inner product:
m <- matrix(c(1, 2, 1, 2, 3, 2), 2) # test matrix
m
colSums(inner(m, u <- unique(m,,2), identical))
u
Please provide actual code to create test examples and expe
Hi Robin!
Does the following produce what you want mate?
### R START ###
> text <- 'this sentence contains an * (i.e. an astrix).'
> grep('\\*', text)
[1] 1
### R END ###
Regards,
Tony Breyal
On 23 Nov, 08:41, Robin Clark <[EMAIL PROTECTED]> wrote:
> Hello,
> I'm trying to determine if a string
Hi all,
after choosen the plot in witch I want to draw a point, just the first
plot draws the point
Is it a bug or just a user-problem ?
Example :
split.screen(c(2,1))
screen(1)
plot(1:10)
screen(2)
plot(10:100)
screen(n=1, new=F)
points(4,3, col="red")
screen(n=2, new=F)
points(20,20, col="re
maybe there's a much simpler way to do this but here's what I got:
> z
[,1] [,2] [,3] [,4] [,5] [,6]
[1,]114444
[2,]225555
[3,]336666
> z.unique<-unique(z,MARGIN=2)
> z.unique
[,1] [,2]
[1,]14
[2,]25
Hi David,
On Fri, Nov 21, 2008 at 12:01:52PM -0800, dschruth wrote:
> I'm a programmer in a biology lab who is starting to use R to automate
> some of our statistical analysis of growth rate determination. But I'm
> running into some problems as I re-code.
>
> 1) Hypotheses concerning Slope simil
At 13:39 21/11/2008, [EMAIL PROTECTED] wrote:
Hello,
what I want to do, is, to write every element of a variable into a
separate text-file automatically:
I think this may be FAQ 7.34 How can I save the result of each
iteration in a loop into a separate file?
My Variable:
> wull
[1] "Hal
On 23-Nov-08 08:41:02, Robin Clark wrote:
> Hello,
> I'm trying to determine if a string contains asterisks using the grep
> function. I know that this is slightly difficult because * is a special
> character in regular expressions and needs to be escaped. However,
> escaping the * using \ doesn't
Hello,
I'm trying to determine if a string contains asterisks using the grep
function. I know that this is slightly difficult because * is a special
character in regular expressions and needs to be escaped. However, escaping
the * using \ doesn't work either:
if(grep("\*", model)>0) #does the mod
dschruth gmail.com> writes:
...I am
>>worried that our null and alternative hypotheses should be swapped so
> that our test is more conservative (Ho=slopes are different ... ie
> still acclimating.)
>
> Is there a way to specify my model that flips these hypotheses?
No, that not possible becau
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