Hello Alex,
Have you tried the modulus operator?
2 %% 1
[1] 0
2.1 %% 1
[1] 0.1
~Jason
On 2011.09.08 20:27:14, Alexander Engelhardt wrote:
Hi,
x - 0.2*5
is.integer(x)
gives me FALSE because R stores it as a float number, right?
Is there an elegant way to work around that
Hello Federico,
You should try sending this to the mixed models mailing list (link
below). Also, it would probably help to know what the data looks like. With the
information you provide, it's hard to say what the problem could be.
r-sig-mixed-mod...@r-project.org
Best,
~Jason
On 2011.02.06,
On 2010.05.25 11:52:07, Anyi Zhu wrote:
Hi,
I am a novice with R, so pardon me if the question is a piece of cake
to some of you.
Say if I have a stream of data consisting of 3 columns, 1st column is
birth date, 2nd is death date and third is weight for each individual.
My ultimate
On 2010.05.11 18:30:57, Lourdes Molera wrote:
Hello,
I need to select a sample from a small population using simple random
sampling without replacement. I've found two possibilities in R, the
function sample() and the function S.SI() in the package
TeachingSampling, but I don't know which
Hello Jean-Baptiste,
On 2010.01.22 16:32:53, Jean-Baptiste Combes wrote:
Hello,
I am learning R and I am fluent in Stata and I try to translate part of my
Stata code to R to check the reliability of the data under R. I have a
proportion variable as a dependent variable pQSfteHT .
On 2010.01.08 19:44:39, Ivan Gregoretti wrote:
Hello listers,
Does anybody know how to add text to an xyplot without whipping out
the existing curve?
That's all.
For instance,
Lets say you generate a graph like this
A - data.frame(x = rnorm(100), y = rnorm(100))
xyplot(y ~ x, data
Hello,
On 2009.12.20 18:06:17, MAL wrote:
All!
This piece of code:
zzz1 - as.POSIXct(1999-03-18, tz=CET)
zzz2 - as.POSIXlt(1999-03-18, tz=CET)
zzz1 == zzz2
as.Date(zzz1)
as.Date(zzz2)
yields TRUE for zzz1==zzz2, but the two dates returned by as.Date are
different:
Hello Amit,
On 2009.12.20 19:35:09, Amit wrote:
Dear All,
I am trying to plot polynomial regression line to a scatterplot. I did
following so far:
x=c(1:9335)
y=read.table(gp.txt,header=T,sep=\t)
length(y$PCC) # y$PCC has values between 1 to 0 in decreasing order
[1] 9335
On 2009.12.03 23:52:15, Yoseph Zuback wrote:
Hi Frank,
I'm trying to repair heteroscedastic variables using the hccm. A
statistician in my department gave an incomplete solution that included:
OLS1$coefficients/(sqrt(hccm(OLS1)))
Trying to solve my problem I get different results with
Please refrain from posting HTML. The results can be incomprehensible:
On 2009.12.03 13:52:09, John Filben wrote:
Can R support data manipulation programming that is available in the SAS
datastep??? Specifically, can R support the following:
-?? Read multiple dataset one
On 2009.11.28 21:50:09, Daniel Nordlund wrote:
- Is a Unix-like platform a better option than win-64? Again, would
this solve my memory limitation problems?
Possibly, but Win64 should provide plenty of memory (I believe Windows 7
Ultimate can use up to 192 GB of memory). You just have
On 2009.11.29 14:24:40, Prof Brian Ripley wrote:
Windows 64-bit can certainly handle large memory spaces, but unless
something has changed recently it my understanding Revolution
Computing's 64-bit is the only 64-bit version of R available for
Windows (due to the unavailability of adequate
Hello Lars,
On 2009.11.28 18:53:09, Lars Bishop wrote:
Dear R users,
I?ve search the R site for help on this topic but it is hard to find a
precise answer for my questions.
Which are the best options to overcome the RAM memory limitation problems
when using R on ?large? data sets (such
Please see the posting guide here:
http://www.r-project.org/posting-guide.html
In short, it would be helpful if you provided more information on your
data and what the goal of your analysis is. However, to get you started,
see the polr() function in the MASS package. Depending on your
goal/data,
Hello Wen:
On 2009.09.06 10:49:03, Wen Huang wrote:
Hello,
I wanted to fit a linear mixed model to a data that is similar in
terms of design to the 'Machines' data in 'nlme' package except that
each worker (with triplicates) only operates one machine. I created a
subset of
On 2009.08.16 15:59:15, milton ruser wrote:
Dear all,
how can I setup R(gui) to run some commands evertime R startup?
cheers
milton
You'll want to read: help(Startup)
HTH,
~Jason
--
Jason W. Morgan
Graduate Student
Department of Political Science
*The Ohio State University*
154 North
On 2009.08.03 10:15:46, Hongwei Dong wrote:
Hi, R users,
I'm using the lme function in R to estimate a 2 level mixed effects
model, in which the size of the subject groups are different. It turned out
that It takes forever for R to converge. I also tried the same thing in SPSS
and SPSS can
On 2009.06.20 16:04:21, Alexandru T Codilean wrote:
Dear All,
I have a data set with the following structure:
[A], [a], [B], [b]
where [A] and [B] are measurements and [a] and [b] are the associated
uncertainties. I produce [B]/[A] vs. [A] plots in R and would like to
show
On 2009.04.18 13:52:35, Serguei Kaniovski wrote:
Bernardo: this is not quite what I am looking for,
Let the data be:
y,i,j
1,AUT,BEL
2,AUT,GER
3,BEL,GER
then the dummies sould look like:
y,i,j,d_AUT,d_BEL,d_GER
1,AUT,BEL,1,1,0
2,AUT,GER,1,0,1
3,BEL,GER,0,1,1
I can generate the
On 2009.04.18 15:58:30, Jason Morgan wrote:
On 2009.04.18 13:52:35, Serguei Kaniovski wrote:
I can generate the above dummies but can this design be imputed in a
reg. model directly?
Oops, I apologize for not reading the whole question. Can you do the
following:
lm(y ~ I(ifelse(df$i==AUT
User)
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
--
~ Jason Morgan
21 matches
Mail list logo
