Dear all,
I'm having some problems getting my recursive function to work. At first I
though that maybe my data was too big and I increase option(expressions=5).
Then I thought that I would try it on some smaller data. Still not working. :(
I would have thought there should be a function for
Folks: To thrash the dead horse a little more ...
> So, what about this one:
> GG<-c(1:4)
> testX3 <- function(X) {summary(X); return(str(X))}
> testX3(GG)
>
> int [1:4] 1 2 3 4
>
> I thought this was ignoring the summary() because it evaluates the return()
> first. If it does the return(str(X))
As long as you just want to display it, use print()
GG<- c(1,2,3)
print(summary(GG),str(GG))
Output:
num [1:3] 1 2 3
Min. 1st Qu. MedianMean 3rd Qu.Max.
1.0 1.5 2.0 2.0 2.5 3.0
HTH,
Daniel
andrewH wrote:
>
> Using str() in a function.
>
> I am in th
Dear Peter--
You write:
>>Andrew is being seriously confused. The return(ans) is of course executed
when you get to it, returning the value of `ans` and terminating the
function. Anything after that is _ignored_. There is no such thing as a
"previous return()" affecting what str() does -- that woul
In glm() you can use the summary() function to recover the shape parameter (the
reciprocal of the dispersion parameter). How do you recover the scale
parameter? Also, in the given example, how I estimate and save the geometric
mean of the predicted values? For a simple model you can use fitted()
On Jul 13, 2011, at 9:04 PM, Eduardo M. A. M. Mendes wrote:
Dear Peter
many thanks for your reply.
I am new to R (and MAC) but I had no problem to get my MAC to run
gcc and gfortran (years of experience on linux).
Although I have Parallels and Vmware Fusion installed on my MAC, I
am not
On Jul 13, 2011, at 10:54 PM, andrewH wrote:
David -- Ah! Excellent. OK, that explains Dennis's function's output.
Print(str(X)) evaluates str(X), sending the usual str() output to the
console as a side effect, and then prints what str() returns, which
is NULL.
And invisible() prints NULL a
On Jul 13, 2011, at 9:42 PM, vamshi999 wrote:
i am sorry again..
this is my dataset..
'data.frame': 46376 obs. of 19 variables:
$ scan.no : int 24 78 61 64 64 64 65 73 79 82 ...
$ track.no : int 5 48 105 122 124 121 123 380 1073 1093 ...
$ blip.no : int 70 323 514 547 549 553 558 535
Hi Sigrid,
On Wed, Jul 13, 2011 at 9:47 PM, Sigrid wrote:
> Great! Thank you, Brian.
>
> To answer your question about intercept and slopes, I got them from a
> covariance analysis that I had already conducted. It seems like I can not
> use the regressions command for the model that I used to get
David -- Ah! Excellent. OK, that explains Dennis's function's output.
Print(str(X)) evaluates str(X), sending the usual str() output to the
console as a side effect, and then prints what str() returns, which is NULL.
And invisible() prints NULL again, but we don't see NULL NULL, because the
secon
I just wanted the post the results of the emails I been sending/getting. The
following command will create the graphs and save them to the location of
your choice. The names are graph1.png, graph2.png etc.
for(i in 1:4) {
png( file=paste("C:/Insert file location/graph",i,".png", sep="") )
i am sorry again..
this is my dataset..
'data.frame': 46376 obs. of 19 variables:
$ scan.no : int 24 78 61 64 64 64 65 73 79 82 ...
$ track.no : int 5 48 105 122 124 121 123 380 1073 1093 ...
$ blip.no : int 70 323 514 547 549 553 558 5355 7014 7119 ...
$ date : chr "2011-04-2
Great! Thank you, Brian.
To answer your question about intercept and slopes, I got them from a
covariance analysis that I had already conducted. It seems like I can not
use the regressions command for the model that I used to get the intercepts
and slopes. I guess 2 factors are the maximum.
+ ddp
Hi Eik,
Thanks very much for those helpful coding suggestions, and for
confirming the error.
The apply function is much nicer, and I will incorporate that plus the
correct quantile type. The function I had written actually gives the
option to calculate in the manner you suggest in one of your com
Dear Peter
many thanks for your reply.
I am new to R (and MAC) but I had no problem to get my MAC to run gcc and
gfortran (years of experience on linux).
Although I have Parallels and Vmware Fusion installed on my MAC, I am not
running windows.
I have downloaded rcompression.tar, untared it
On Jul 13, 2011, at 8:32 PM, vamshi999 wrote:
I am sorry again..
I am posting the sample data..
my data set is huge.. dimension of my data set is 5 x 6
scan.nobird.no date time
height
"1" 24 5"2011-04-29" "21:17:56" 3
On Jul 14, 2011, at 01:48 , David Winsemius wrote:
>
> On Jul 13, 2011, at 7:31 PM, andrewH wrote:
>
>> Thanks, David & Dennis, that is very helpful.
>>
>> Let me state what I think I have learned, to see if I understand it
>> correctly. Then I have two remaining questions.
>>
>> If a functio
I am sorry again..
I am posting the sample data..
my data set is huge.. dimension of my data set is 5 x 6
scan.nobird.no date time
height
"1" 24 5"2011-04-29""21:17:56" 357
"2" 78 48
On 13/07/2011 7:49 PM, David Winsemius wrote:
On Jul 13, 2011, at 7:42 PM, JIA Pei wrote:
Hi, Thanks David Winsemius:
"mtext" works !! However, in R plot, "mtext" will automatically
overlap/overwrite the existing coordinates, which makes the
coordinates a messy.
Refer to http://www.visiono
So, post some data. I'm tired of unsuccessful attempts at mind
reading. If the data set is too big, then just use:
dput(data2[which( data2$date < as.Date("2011-05-05") &
data2$date >
as.Date("2011-04-27") ),
]
)
--
David
On Jul
I am sorry i was not clear in my early post
I have used the below code to change my data into date format..
r<-as.POSIXlt(paste(data2$date,data2$time))
library(gsubfn)
library(chron)
r<-as.chron(r)
data2$date<-strftime(strptime(r, format="(%m/%d/%y %H:%M:%S)"),"%Y-%m-%d")
data2$time<-strft
On 13/07/2011 7:14 PM, Mark Heckmann wrote:
I would like to have a bigger default space in front of and behind every Sweave
chunk.
I have seen that space between input and output is removed as follows:
\fvset{listparameters={\setlength{\topsep}{0pt}}}
\renewenvironment{Schunk}{\vspace{\topsep}}
On Jul 13, 2011, at 7:59 PM, JIA Pei wrote:
Thanks David, for your prompt reply.
Ok... just avoid this mess.
I'd love to emphasize the key point M(2.1, sin(2.1)), and just write
a point coordinate by the side of M .How to do that easily?
Have you worked through the examples on the help(tex
Thanks David, for your prompt reply.
Ok... just avoid this mess.
I'd love to emphasize the key point *M(2.1, sin(2.1))*, and just write a
point coordinate by the side of M .How to do that easily?
By the way, if there is another point *N(2.2, sin(2.2))*, will M and N
conflict (overlap) each other?
Hi, Thanks David Winsemius:
"mtext" works !! However, in R plot, "mtext" will automatically
overlap/overwrite the existing coordinates, which makes the coordinates a
messy.
Refer to http://www.visionopen.com/Rplot.png , which is produced by only 3
lines.
dev.new(width = 640, height = 480)
> plot(
On Jul 13, 2011, at 7:42 PM, JIA Pei wrote:
Hi, Thanks David Winsemius:
"mtext" works !! However, in R plot, "mtext" will automatically
overlap/overwrite the existing coordinates, which makes the
coordinates a messy.
Refer to http://www.visionopen.com/Rplot.png , which is produced by
On Jul 13, 2011, at 7:31 PM, andrewH wrote:
Thanks, David & Dennis, that is very helpful.
Let me state what I think I have learned, to see if I understand it
correctly. Then I have two remaining questions.
If a function contains more than one expression in its {}, it always
returns
the valu
On Jul 13, 2011, at 6:56 PM, vamshi999 wrote:
Hi .. i am a beginner in R
I have data in the format of
date
04/27/11
04/27/11
04/30/11
04/30/11
05/03/11
05/03/11
05/04/11
So they are not yet dates, but rather character vectors. R dates don't
look like that unless you make special effor
Thanks, David & Dennis, that is very helpful.
Let me state what I think I have learned, to see if I understand it
correctly. Then I have two remaining questions.
If a function contains more than one expression in its {}, it always returns
the value of the last evaluated expression in its definiti
I would like to have a bigger default space in front of and behind every Sweave
chunk.
I have seen that space between input and output is removed as follows:
\fvset{listparameters={\setlength{\topsep}{0pt}}}
\renewenvironment{Schunk}{\vspace{\topsep}}{\vspace{\topsep}}
Still, I can't figure out
Why use a hammer when you need a wrench?
Admb seems to be the best tool for the job. It has several slick
interfaces with R.
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https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-
Hi .. i am a beginner in R
I have data in the format of
date
04/27/11
04/27/11
04/30/11
04/30/11
05/03/11
05/03/11
05/04/11
Now i want to plot the data something like this on x-axis...
--
27 28 29 30 1 2 3 4
April
Hello,
I'd like to sum the weights of each independent variable across linear
models that have been evaluated using AIC.
For example:
> library(MuMIn)
> data(Cement)
> lm1 <- lm(y ~ ., data = Cement)
> dd <- dredge(lm1, beta = TRUE, eval = TRUE, rank = "AICc")
> get.models(dd, su
On Jul 13, 2011, at 5:55 PM, Stephen Eick wrote:
I have a weird example which fails and I don't understand why. If I
put dev.off() inside my function, it produces a bad image file. But
if I run what I think should be equivalent code with dev.off() running
outside my function, it works. Why d
On Jul 13, 2011, at 6:08 PM, amenning wrote:
The curve() function plots an expression in x over an interval
[from,to]. I
am looking for a function that would allow me to plot a parametrized
curve
t -> x(t) where x is a vector in 2 or 3 dimensions.
For example (cos(t), sin(t)) (a2D circle
The curve() function plots an expression in x over an interval [from,to]. I
am looking for a function that would allow me to plot a parametrized curve
t -> x(t) where x is a vector in 2 or 3 dimensions.
For example (cos(t), sin(t)) (a2D circle) or (cos(t), sin(t), t) (a 3D
helix). It seems that
I have a weird example which fails and I don't understand why. If I
put dev.off() inside my function, it produces a bad image file. But
if I run what I think should be equivalent code with dev.off() running
outside my function, it works. Why does the location of dev.off
matter?
library(Cairo)
Hi Kishore,
There should be no problem reading in your data if you have followed
the directions posted by Jim and myself. I suggest you do a search for
a basic R tutorial and follow that through.
Steve
On Wed, Jul 13, 2011 at 10:08 PM, Kishorenalluri
wrote:
> Hi Jim,
> Saving is not a pr
Try TukeyHSD(anova). TukeyHSD is implemented in the base package, i.e., ready
to use with the base installation of R. Also, the TukeyHSD for the
interaction term should have a colon ":" not a "*". The "which" argument in
TukeyHSD() must be identical to the name of the coefficient in the summary
tab
On 11-07-13 4:15 PM, Jorge Cornejo wrote:
Hi, I'm running long code in Batch mode (as a process in ubuntu using
$nohup R CMD BATCH MyCode.R out.out&), but every one in a while it fail
and the process stops.
When the code finish with no problems, it sends an e-mail, but if fails,
I'm not aware un
Hi all,
I have used the apsrtable package to generate tables (using LaTeX and Sweave)
for quite some. However, suddenly the notes option in the package appears to
have stopped working (or I am doing something wrong). So, when I try to run
the following commands (in the R console):
> attach(N
Hi Matthias,
On Wed, Jul 13, 2011 at 5:22 AM, Meffy wrote:
> Dear Community!
> I'm using the svm method of package e1071 for classifying my data. This
> really works fine, but however I have to work after creating the support
> vectors and the parameters with unscaled data. So the problem is when
On Jul 13, 2011, at 1:38 PM, saskay wrote:
> Hello All,
> I've created a function as follows so as to use it in a loop.
>
> freq<-function(i)
> {
> library(RODBC)
> paste(i,"<-sqlQuery(conn,","'","select click_flg, open_flg,", i ," from
> modeling_5')",sep="")
> }
>
> freq(i="AQI")
> [1] "AQI<
On Jul 13, 2011, at 1:22 PM, JIA Pei wrote:
Hi, all:
I used two lines of very simple code to draw a sin curve.
dev.new(width = 640, height = 480)
plot(sin, -pi, 2*pi)
First look at:
?mtext # then try
mtext(text="2.5000", side = 1, line = 1, at = 2.5)
Now, I added a specific line (re
>
> Hamazaki, Hamachan (DFG alaska.gov> writes:
>
> >
> > Dear list,
> >
> > I am using optim() function to MLE ~55 parameters, but it is very slow to
> converge (~ 25 min), whereas I can do
> > the same in ~1 sec. using ADMB, and ~10 sec using MS EXCEL Solver.
> >
> > Are there any tricks to
Trevino, Lisa bcm.edu> writes:
> I'm trying to assign colors to multiple lines in a graph.
> Problem is I don't want to type in as many colors as
> there are linesis there a way around this? In brief,
> I'm plotting the logratio for up to 60 samples and
> want a different color for each sam
On Jul 13, 2011, at 1:10 PM, Tom La Bone wrote:
I want to assign the value of rmean from a survfit object to a
variable so
that it can be used in subsequent calculations, which is also what I
interpreted the original poster to want. I did not understand Dr.
Therneau's
answer to the original
Hello Duncan,
thank you for your reply. I will have a look at the misc3d package
and at contour3d and kde3d in particular.
Cheers,
Lutz
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https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide h
Hi, I'm running long code in Batch mode (as a process in ubuntu using
$nohup R CMD BATCH MyCode.R out.out &), but every one in a while it fail
and the process stops.
When the code finish with no problems, it sends an e-mail, but if fails,
I'm not aware unless I check the working process, and I ca
Hamazaki, Hamachan (DFG alaska.gov> writes:
>
> Dear list,
>
> I am using optim() function to MLE ~55 parameters, but it is very slow to
converge (~ 25 min), whereas I can do
> the same in ~1 sec. using ADMB, and ~10 sec using MS EXCEL Solver.
>
> Are there any tricks to speed up?
>
> Are th
Saskay,
Thanks so much for that example. It worked fine on my system. I didn't
realized SNOW worked on windows. I will have to read more about it.
Thanks again,
Roger
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
On Behalf Of saskay
Sen
Dear list,
I am using optim() function to MLE ~55 parameters, but it is very slow to
converge (~ 25 min), whereas I can do the same in ~1 sec. using ADMB, and ~10
sec using MS EXCEL Solver.
Are there any tricks to speed up?
Are there better optimization functions?
Thanks
Toshihide
Hi,
I need to determinate HSD value from a matrix like that
Thesis Days A1
Cx 0 66.07
Cx 0 60.24
Cx 0 42.86
Tw 0 66.07
Tw 0 60.24
Tw 0 42.86
Aa 0 66.07
Aa 0 60.24
Aa 0 42.86
Qe 0 66
Hi, all:
Is there an automatic smart legend for R?
Since my R code is running in a row, which will produce a bunch of R plots
in a single run, some of the produced plots are really "ridiculous".
Because my legend is fixed to "topleft", sometimes, which occludes the key
parts of the figure/plots, b
Hello All,
I've created a function as follows so as to use it in a loop.
freq<-function(i)
{
library(RODBC)
paste(i,"<-sqlQuery(conn,","'","select click_flg, open_flg,", i ," from
modeling_5')",sep="")
}
freq(i="AQI")
[1] "AQI<-sqlQuery(conn,'select click_flg, open_flg,AQI from modeling_5')"
Try the below code:
==
library(foreach)
library(doSNOW)
getDoParWorkers()
getDoParName()
registerDoSNOW(makeCluster(2, type = "SOCK"))
getDoParWorkers()
getDoParName()
testFun <- function(m) {
out <- m*m
}
out <- foreach(m=1:10, .combine=rbind,*.verbose=T*) %dopar
Thank you very much.
--
View this message in context:
http://r.789695.n4.nabble.com/life-table-and-Kaplan-Meier-tp3664246p3665671.html
Sent from the R help mailing list archive at Nabble.com.
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Hi, all:
I used two lines of very simple code to draw a sin curve.
dev.new(width = 640, height = 480)
> plot(sin, -pi, 2*pi)
Now, I added a specific line (red line in the picture at
http://www.visionopen.com/Rplot.png) by using abline.
However, I still love to add the X-coordinate "2.5" out
This problem has been an opportunity for me to learn about issues mixing base
graphics with lattice plots. From the many pdfs and blogs and other things I
have found, it seems that I have two options: 1) insert a viewport of my bar
graph into a basic environment; or 2) do all of my plots in lattice
I want to assign the value of rmean from a survfit object to a variable so
that it can be used in subsequent calculations, which is also what I
interpreted the original poster to want. I did not understand Dr. Therneau's
answer to the original poster, so I figured I would provide a simple example
a
Hi,
I have a 3-d point pattern. I want to find the K-estimate using toroidal
edge corrections. Anyone has a code for this in R?
I would also like to compare these results with the K-estimate border edge
corrections. Spatstat allows me to do so only for a 2-d data set. Any idea
how to do it for a
My apologies for not mentioning which backend and OS I am using. I am using
doSMP on a windows machine. I read up on doSMP, but all the examples they show
are based on calling foreach directly, not from within a function.
The code works fine using %do% instead of %dopar%. Does anyone have an e
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of David Joubert
> Sent: Wednesday, July 13, 2011 9:55 AM
> To: r-help@r-project.org
> Subject: [R] Latent Transition Analysis in R ?
>
>
> Are there any packages in R that allow f
On 13.07.2011 17:46, Bansal, Vikas wrote:
Dear all,
I have a data frame df and i am using a code shown below.
df[, "total"]<- rowSums(df[, 3:6]) MAKING A NEW COLUMN total in df BY
ROWSUMS
defineSamples<- function()
{
readline("enter the number of INDIVIDUALS IN POOL: ")
}
d
Hi Lyndon,
I'm sorry, I just saw that you provided your dataset.
I checked my program and it reproduced the same error.
con <- url("http://sites.google.com/site/ldemisc/r_general/tpfpdat.Rdata";)
load(con)
close(con)
bins<-quantile(x,0:200/200)
ctch<-t(sapply(bins,function(b)c(b,sum(x>b),sum(y>b)
On 13.07.2011 14:42, Rilana Prenger wrote:
Dear all,
I have a question regarding the output of the coxph function. What does the
'max possible' exactly mean in the output below? Many thanks.
coef exp(coef) se(coef) robust se z Pr(>|z|)
smocc_zyban -0.43840.6451
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
> On Behalf Of UriB
> Sent: Wednesday, July 13, 2011 9:28 AM
> To: r-help@r-project.org
> Subject: Re: [R] How to translate string to variable inside a command in
> an easy way in R
>
> Thanks
>
Please don't cross-post:
https://mailman.stat.ethz.ch/pipermail/r-sig-finance/2011q3/008230.html
--
Joshua Ulrich | FOSS Trading: www.fosstrading.com
On Wed, Jul 13, 2011 at 11:11 AM, Marcin P?�ciennik wrote:
> Dear list members,
>
> I am trying to estimate parameters of the AR(1)-GARCH(1,1)
Hi Dennis,
It still uses paste(), but this isn't so bad:
SET2[!(do.call(paste, SET2) %in% do.call(paste, SET1)),]
You could even turn it into a function. This one checks for matching
rows in the data frame with more rows, but you could take out the
conditional if you want order of arguments to be
Colleagues,
(R: 2.13.0; OS X)
I often receive sequential datasets in which there are new rows interposed
between existing rows. For example:
SET1 <- data.frame(list(LETTERS=LETTERS[c(1:4, 6:10)], NUMBERS=c(1:4,
6:10)))
SET2 <- data.frame(list(LETTERS=LETTERS[1:10], NUMBERS=1:10
Folks:
As Peter Dalgaard gently pointed out to me, the last time that we
looked, %% is a BINARY, not a unary operator.
Of course, the Help details are still germane.
-- Bert
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to cut a long story short, how about that:
bins<-quantile(x,0:200/200) #maybe replacing x by c(x,y)
ctch<-t(sapply(bins,function(b)c(b,sum(x>b),sum(y>b
colnames(ctch)<-c("bin","tp","fp")
Cheers.
Am 13.07.2011 18:49, schrieb Eik Vettorazzi:
> Hello Lyndon,
> I'm still puzzled what x and y act
Are there any packages in R that allow for estimation of LTA models ?
Thank you,
David Joubert
[[alternative HTML version deleted]]
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Hello Lyndon,
I'm still puzzled what x and y actually are and how they are related.
Your "bins" are calculated from x only, so you might missing some range
of y and since you use a fixed number of bins of equal size, some bins
might be empty (and therefore reproducing the result from the bin
before
Hi,
help(spplot):
The ‘sp.layout’ argument is either a single layout item, or a list
with a layout items. A layout item is a list with its first
argument the name of the layout function to be called: ‘sp.points’
for SpatialPoints, ‘sp.polygons’ for SpatialPolygons object,
Thanks
Here is another question
I want to have a function that get a string for example
y="AMI" and make commands like the following
agg<-aggregate(numAMI ~MemberID,right.a,sum)
Note that I know that numAMI is part of right.a because another function
with the string AMI already generated it.
I
Just an observation, since this email has no indication of what you're
trying to get at and I'm not inspired to dig back through the list:
On Wed, Jul 13, 2011 at 11:16 AM, Tom La Bone wrote:
>
> No cigar. This is what I get and my session info. Any suggestions?
>>
>> library(survival)
>> library
On 13.07.2011 02:00, Peter Maclean wrote:
There is no missing value nor zero values.
OK, but to say more about your problem, we need the example to be
reproducible but we do not have Gdata2 available. Please see the posting
guide.
Uwe Ligges
- Original Message
From: Uwe Ligg
may be this is of some help
http://research.stowers-institute.org/efg/R/Color/Chart/
_
Arun Kumar Saha, FRM
QUANTITATIVE RISK AND HEDGE CONSULTING SPECIALIST
Visit me at: http://in.linkedin.com/in/ArunFRM
_
On Jul 13, 2011, at 11:16 AM, Tom La Bone wrote:
No cigar. This is what I get and my session info. Any suggestions?
First think ... try this
sfit <- summary(fit, rmean = "individual")
sfit$table[5]
Hmmm. Second think. I suppose it's also possible that some of my
unsuccessful efforts last
Does your code work if you omit the match.call step? terms()
generally doesn't need that. Also, do not call terms.formula(formula):
call just terms(formula). The terms method appropriate to the class
of the formula will be used.
> f1 <- function(formula, ...) {
+ terms(formula, ...)
+
> I'm trying to assign colors to multiple lines in a graph. Problem is
> I don't want to type in as many colors as there are lines
You'll find your answer over the ?rainbow, I bet.
cur
--
Curt Seeliger, Data Ranger
Raytheon Information Services - Contractor to ORD
seeliger.c...@epa.gov
541/7
On Jul 13, 2011, at 11:49 AM, David Winsemius wrote:
In particular: The xls.write function in gdata uses Perl.
Wrong name I was thinking of read.xls in gdata.
David Winsemius, MD
West Hartford, CT
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ht
Dear list members,
I am trying to estimate parameters of the AR(1)-GARCH(1,1) model. I have one
additional dummy variable for the AR(1) part.
First I wanted to do it using garchFit function (everything would be then
estimated in one step) however in the fGarch library I didn't find a way to
includ
HI everyone,
I'm trying to assign colors to multiple lines in a graph. Problem is I don't
want to type in as many colors as there are linesis there a way around
this? In brief, I'm plotting the logratio for up to 60 samples and want a
different color for each sample. Here is the code I'm us
No cigar. This is what I get and my session info. Any suggestions?
>
> library(survival)
> library(ISwR)
> dat.s <- Surv(melanom$days,melanom$status==1)
> fit <- survfit(dat.s~1)
> print(fit, print.rmean=TRUE)
Call: survfit(formula = dat.s ~ 1)
records n.maxn.start events *rm
Hi,
Did you receive a solution to your problem. I have a 3-D data set. X, Y and
Z co ordinates. I want to read it as ppp data to be able to use it to find
Kestimate. Do let me know if you had any success and how you did it.
Thanks.
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On 13/07/2011 3:56 AM, Lutz Gehlen wrote:
Hello everybody,
I would like to solve the problem described below in R (if
possible). I am very new to R and have therefore no idea what to
even look for in the docu. Therefore, if someone could tell me if
this is possible in R and where I might find the
Ok, thank you Mark.
I also found out, that it is not a good idea to perform a Pca with the equal
numbers of observation and variables. It is preferable to have much more
observations.
Regards,
Albina.
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x[which(condition)], like the subset function, treats NAs in
condition as FALSE and hence does not output NAs for them.
I was also surprised to see that it runs a trifle faster than x[condition]
in R 2.13.0 if there are few TRUEs in condition and a trifle slower
if there are many TRUEs.
A danger o
On Jul 13, 2011, at 9:14 AM, syrvn wrote:
Hi,
thanks for this web page!
Grothendieck had offered:
-
There are quite a few approaches listed here:
http://rwiki.sciviews.org/doku.php?id=tips:data-io:ms_windows
-
We decided to go for XLConnect because it can read and write xlsx
she
Dear all,
I have a data frame df and i am using a code shown below.
df[, "total"] <- rowSums(df[, 3:6]) MAKING A NEW COLUMN total in df BY
ROWSUMS
defineSamples<- function()
{
readline("enter the number of INDIVIDUALS IN POOL: ")
}
df$ind=definesamples() CALLING THE FUNCTI
Hi Bert,
Just to clarify, I used that particular construction simply to remove
the name from the vector, which I thought had something to do with the
problem I was having, which was that two seemingly identical answers
resulting from the quantile function where producing different results
in a con
> -Original Message-
> From: r-help-boun...@r-project.org [mailto:r-help-bounces@r-
> project.org] On Behalf Of David Winsemius
> Sent: Wednesday, July 13, 2011 8:17 AM
> To: Sebastian Kruk
> Cc: r-help@r-project.org
> Subject: Re: [R] Import big xml data
>
>
> On Jul 13, 2011, at 8:09 AM
On Jul 13, 2011, at 6:27 AM, Vincy Pyne wrote:
help("%%") GIVES ME
Error in file(out, "wt") : cannot open the connection
In addition: Warning message:
In file(out, "wt") :
cannot open file 'C:\DOCUME~1\LOCALS~1\Temp\RtmpoCnAxB\Rtxt52325f7':
No such file or directory
It gives me perf
Hi,
still have troubles, if I have a code like this :
spplot(enaD2, "var1.pred",sp.layout=pts, main = "globina 60 cm", sub="D2",
col.regions=terrain.colors(64), contour=T)
i get a nice plot with contours but without text.
If ia use your code :
spplot(enaD2, "var1.pred",sp.layout=pts, main
On Jul 13, 2011, at 8:09 AM, Sebastian Kruk wrote:
Dear R users,
I would like to import a big xml file. I don't want to learn about xml
structures, just to import all the data to a data frame.
How can I do it?
I am reminded of this:
library(fortunes)
fortune("brain surgery")
--
David W
Rather strange ...
Why would one convert a numeric to character and then back again to
numeric? Why would one assume that such a conversion would retain full
machine precision?
In fact,
?as.character
tells you:
as.character represents real and complex numbers to 15 significant
digits (technica
Hello Eik,
Thanks very much for your response and for directing me to a useful
explanation.
To make sure I am grasping your answer correctly, the two problems I
was experiencing are related to the fact that the floating point
numbers I was calculating and using in subsequent indices were not
enti
Still have not solved this problem with package 'spdep'. It appears localG()
cannot handle either SpatialPoints or a matrix of point coordinates that are
not in a rectangular matrix when plotted. It cannot take NaN values and,
after I successfully used dnearnigh() to create an "nb" object for ONLY
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