Displaying 20 results from an estimated 10000 matches similar to: "Selecting n observation"
2013 Jan 18
3
longitudinal study
Hello R user,
I have a data set from a longitudinal study ( sample below) where
subjects are followed over time. Second column (status) contains info
about if subject is dead or still in the study and third column is
time measured in the week. Here is what I need: if status is not dead
or unknown take the last week, if status is dead or unknown I need to
have corresponding week.
Desired resulst:
2012 Nov 30
3
(no subject)
Hello R usuer,
The code given below superimposes a pie diagram on another plot
containing some points. However, I would like to center the pie
diagram on the xy location on the plot, but not on the center. is
there any way to re-center pic diagram.
Any suggestion or better alternative are highly appreciated.
Thank you in advance for your help.
Regards,
Bibke
library(visualFields)
library(car)
2012 Oct 01
3
(no subject)
Hello,
I am a new R -user and request your help for the following problem.
I need to merge two dataset of longitudinal study which has two column
(id and respose) common. when I used merge option to join the datas
side be side, because of the repeated subject id, I got larger data
set which is not accurate.
I would like to connect twi data sets by id and response in such a
way that data are
2012 Nov 13
4
for loop
HI,
You can do this in many ways:
dat1<-read.table(text="
med1,med2,med3????
?1,0,1??????
0,1,1???
2,0,0
",sep=",",header=TRUE)??
#1st method
library(reshape)
dat2<-melt(dat1)
dat3<-aggregate(dat2$value,by=list(dat2$variable),sum)
?colnames(dat3)<-c("name","sum(n11)")
?dat3
#? name sum(n11)
#1 med1??????? 3
#2 med2??????? 1
#3 med3??????? 2
2011 Dec 07
2
plotting and coloring longitudinal data with three time points (ggplot2)
Dear list,
I have been struggling with this for some time now, and for the last hour I have been struggling to make a working example for the list. I hope someone out there have some experience with plotting longitudinal data that they will share.
My data is some patient data with three different time stamps. First the patients are identified at different times (first time stamp). Second, they
2009 Nov 02
3
feedback European Commission pilot assessment
Dear Sir, dear Madam,
I am currently working with the European Commission on a pilot assessment of Video Codecs in eGovernment, more precisely for live video streaming of parliamentary sessions.
The results of the analysis will be published for public consultation on IDABC <http://ec.europa.eu/idabc/en/home> website. The following video codecs are on the list: H.264/AVC, VC-1,
2013 Aug 28
1
Error when using buildVignettes()
Dear all,
When running function 'testQAReport()', which uses function
'buildVignettes()' to create a pdf-file I get the following error:
> source("testQAReport.R")
> testQAReport()
Error in .get_package_metadata(pkgdir) :
Files 'DESCRIPTION' and 'DESCRIPTION.in' are missing.
Since I did not get this error in earlier versions of R, could you
2011 Apr 13
1
Anyone knows how microsoft AEC can deal with mismatches between clocks of capture and render streams?
On 04/13/2011 02:58 AM, Shridhar, Vasant wrote:
> I am doing this right now with no problem. I am not using speex for this at the moment though. Group delay is the biggest problem. I implemented a version where the input and output sample rates are known up front. The routine than interpolates between the jitter. This should solve the problem. The crystals used to clock the input and
2008 May 30
3
another sed question...
Looking to change a yml file (yaml is a database type file)
*** from
?--- !ruby/object:Right
attributes:
name: Personnel Admin
action: index
id: "1"
controller: assessments
--- !ruby/object:Right
attributes:
name: Personnel Admin
action: find
id: "2"
controller: assessments
*** to
?--- !ruby/object:Right
attributes_1:
name: Personnel Admin
action:
2006 Jun 18
1
how to successfully remove missing values for a repeated measures analysis
Hello ,
I am hoping for some advice. I want to run a repeated measures ANOVA. The
primary problem is that my attempt to remove missing values created a
dataset of missing values.
The data set consists of 92 rows (1 row per participant) x 186 variables.
The steps of the analysis undertaken are outlined below (#). Any assistance
is appreciated in relation to how to remove the missing values so
2001 Dec 05
2
(Meta-analysis) How to build|fake a [n]lm[e] object ?
Dear all,
I recently had to review the current litterature about some medical treatment
with two possible variants (let's call them A and B). I collected all available
prospective randomized trials about this treatment : I got four trials for the
A variant and three for the B variant, all studies comparing one variant to a
"suitably choosen" placebo.
Two classes of variables are of
2009 Jan 02
7
the first and last observation for each subject
I have the following data
ID x y time
1 10 20 0
1 10 30 1
1 10 40 2
2 12 23 0
2 12 25 1
2 12 28 2
2 12 38 3
3 5 10 0
3 5 15 2
.....
x is time invariant, ID is the subject id number, y is changing over time.
I want to find out the difference between the first and last observed y
value for each subject and get a table like
ID x y
1 10 20
2 12 15
3 5 5
......
Is there any easy way to generate
2011 Nov 13
1
New PLYR issue
Issue with PLYR.
Now using R 2.14 and this data and plyr command line worked with 2.13
I am also loading the same saved data that worked previously, but now
some issue.
> library(plyr)
> UNESCO <- dget('C:/Carbon-GJ/BZE_ecosys.robj')
> df2 <- ddply(df, "UNESCO", summarise, total_ha = sum(Ha))
*Error in if (empty(.data)) return(.data) :
missing value where
2018 Apr 17
2
Hacked
I've been receiving nasty e-mails too. No g-mail, but official/work e-mail address.
-----Original Message-----
From: R-help <r-help-bounces at r-project.org> On Behalf Of Rui Barradas
Sent: Tuesday, April 17, 2018 5:09 PM
To: Ding, Yuan Chun <ycding at coh.org>; Fowler, Mark <Mark.Fowler at dfo-mpo.gc.ca>; Luis Puerto <luiss.puerto at gmail.com>; Peter Langfelder
2018 Apr 17
0
Hacked
Hello,
Nor do I, no gmail, also got spam.
Rui Barradas
On 4/17/2018 8:34 PM, Ding, Yuan Chun wrote:
> No, I do not use gmail, still got dirty spam email twice.
>
> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Fowler, Mark
> Sent: Tuesday, April 17, 2018 12:32 PM
> To: Luis Puerto; Peter Langfelder
> Cc: R-Help ML
2018 Apr 18
0
Hacked
Seems it must be the R-list. A horde of ?solicitation? emails began arriving about 27 minutes after I posted about not seeing any! Had left work by that time, so did not encounter them until now.
From: Mark Leeds [mailto:markleeds2 at gmail.com]
Sent: April 18, 2018 12:33 AM
To: Rui Barradas
Cc: Ding, Yuan Chun; Fowler, Mark; Luis Puerto; Peter Langfelder; R-Help ML R-Project; Neotropical bat
2018 Apr 18
3
Hacked
Hi All: I lately get a lot more spam-porn type emails lately also but I
don't know if they are due to me being on
the R-list.
On Tue, Apr 17, 2018 at 5:09 PM, Rui Barradas <ruipbarradas at sapo.pt> wrote:
> Hello,
>
> Nor do I, no gmail, also got spam.
>
> Rui Barradas
>
> On 4/17/2018 8:34 PM, Ding, Yuan Chun wrote:
>
>> No, I do not use gmail, still
2006 Nov 09
2
Meta-regression with lmer() ? If so, how ?
Dear List,
I am (again) looking at meta-regression as a way to refine meta-analytic
results. What I want to do is to assess the impact of some fixed factors
on the results of a meta-analysis. Some of them may be crossed with the
main factor of the meta-analysis (e. g. clinical presentation of a
disease, defining subgroups in each of the studies under analysis), some
of them may be a grouping
2018 Apr 17
5
Hacked
No, I do not use gmail, still got dirty spam email twice.
-----Original Message-----
From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Fowler, Mark
Sent: Tuesday, April 17, 2018 12:32 PM
To: Luis Puerto; Peter Langfelder
Cc: R-Help ML R-Project; Neotropical bat risk assessments
Subject: Re: [R] Hacked
[Attention: This email came from an external source. Do not open attachments
2018 Apr 17
0
Hacked
Just an observation. I have not seen the spam you are discussing. Possibly it is specific to gmail addresses?
-----Original Message-----
From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Luis Puerto
Sent: April 17, 2018 4:11 PM
To: Peter Langfelder
Cc: R-Help ML R-Project; Neotropical bat risk assessments
Subject: Re: [R] Hacked
Hi!
This happened to me also! I just got a spam