On Fri, Aug 20, 2010 at 5:18 AM, Donald Paul Winston
satchwins...@yahoo.com wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for my quest. But ?latex() gives me an error. The package
manager does not have it. The package installer can't find it. Where is
Dear all,
I am fairly new to R. I would like to perform a step-wise logit
regression aiming to select a model on the basis of AIC. I am using
some large datasets (up to a million rows and 97 variables). It is
taking the 'step' function just too long to complete a single
routine. Now, I have
From my experience, *.pdf is the best of the three file formats.
On Aug 19, 2010, at 8:32 PM, Roslina Zakaria wrote:
Hi,
I need some opinion. I would like to use graph that I generate from R code and
save it into word document. Which format is better? pdf, jpeg or tiff?
Thank you.
On Thu, Aug 19, 2010 at 9:18 PM, Donald Paul Winston
satchwins...@yahoo.com wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for my quest. But ?latex() gives me an error. The package
Just as a side note, using ?foo() will always return an error. If
there
Questions about Rserve typically go to this mailing list:
http://mailman.rz.uni-augsburg.de/mailman/listinfo/stats-rosuda-devel
Le 20/08/10 06:25, Donald Paul Winston a écrit :
REXP has an asBytes() method. Will this capture the output of an R plot
function if a proper graphics device is used?
Dear (person who did not put her name under her message unless it's --),
maybe whoever told you referred to the system latex command.
You could also issue '??tex' at the R-prompt. When I then search for 'TeX' I
quickly find 'tools::texi2dvi Compile LaTeX Files'
Is that what you are
Dear ,
PDF format has the advantage that it is resolution independent (unless it
contains an embedded bitmap, but I guess for a graph from R it won't), so that's
one great advantage of pdf.
However, as far as I know, MS product are a little ignorant of PostScript and
PDF, and if that's the case
On Fri, Aug 20, 2010 at 12:25 AM, Philippe Grosjean
phgrosj...@sciviews.org wrote:
On 20/08/10 09:11, Joshua Wiley wrote:
On Thu, Aug 19, 2010 at 9:18 PM, Donald Paul Winston
satchwins...@yahoo.com wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for
Hi Rosalina,
I created simple barplots with R and saved them as jpeg oder png. I wanted to
use them in a LaTex-beamer presentation. The results were simply awful. They
looked like if I had copied them out of some other document, thus losing
most of the resolution.
However, saving the plot as
Hello,
I would like to fit a linear model with autoregressive terms and independent
variables.
Since the largest AR-Term I am interested in is lag.max=336, the arima-function
(package stats) does not work (maximum for arima: lag.max=100).
The FitAR function (package FitAR) does allow model
On 20/08/2010 1:58 AM, Jeff Newmiller wrote:
I use Rgui and copy/paste special windows metafile.
You can also use win.metafile() as the graphics device and write
directly to a file. I haven't used Word in years, but this used to be
the recommended way to include graphics there.
Duncan
On Fri, Aug 20, 2010 at 1:07 AM, Cedric Laczny cedric.lac...@gmx.de wrote:
Hi Rosalina,
I created simple barplots with R and saved them as jpeg oder png. I wanted to
use them in a LaTex-beamer presentation. The results were simply awful. They
looked like if I had copied them out of some other
On Fri, 2010-08-20 at 12:25 +0530, sambit rath wrote:
Dear all,
I am fairly new to R. I would like to perform a step-wise logit
regression aiming to select a model on the basis of AIC. I am using
some large datasets (up to a million rows and 97 variables). It is
taking the 'step' function
On Thu, 2010-08-19 at 20:32 -0700, Roslina Zakaria wrote:
Hi,
I need some opinion. I would like to use graph that I generate from R code
and
save it into word document. Whichformat is better? pdf, jpeg or tiff?
Not that I have used word for a while myself, but when I did EPS files
were my
Thank you Gavin!
I am aware of the lasso regularization routine. But, in this case, my
brief was to perform a stepwise AIC procedure. I guess, subsetting the
data and cross validating it over the rest of the data is the only
answer.
sambit
On 20 August 2010 14:43, Gavin Simpson
Hi folks,
Has any folks read before;
Basic Statistics
Rand R.Wilcox
http://www.ebooksx.com/Basic-Statistics-Understanding-Conventional-Methods-and-Modern-Insights_303718.html
It is good for a layman in statistics? TIA
B.R.
Stephen L
__
On 20-Aug-10 09:24:17, Gavin Simpson wrote:
On Thu, 2010-08-19 at 20:32 -0700, Roslina Zakaria wrote:
Hi,
I need some opinion. I would like to use graph that I generate
from R code and save it into word document. Whichformat is better?
pdf, jpeg or tiff?
Not that I have used word for a
Dear all,
I am running a logistic regression and this is the output:
glm(formula = educationUniv ~ brncntr, family = binomial)
Deviance Residuals:
Min 1Q Median 3Q Max # αυτά είναι τα υπόλοιπα
-0.8825 -0.7684 -0.7684 1.5044 1.6516
Coefficients:
Hi Mandy and esteemed R users,
I'm searching for the functions you used to produce the shaded bounding
box (and axis for that matter) of the plot image* attached to your
orginal post.
Would you or anyone else be patient enough to post an example of such
code or point me to the relevant
On 20/08/10 09:11, Joshua Wiley wrote:
On Thu, Aug 19, 2010 at 9:18 PM, Donald Paul Winston
satchwins...@yahoo.com wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for my quest. But ?latex() gives me an error. The package
Just as a side note, using
Dear all, let suppose I have following vector:
dat1 - c(rep(asd, 5), rep(xyz, 12), rep(erd, 17))
dat1 - dat1[sample(1:length(dat1), length(dat1), replace=F)]
dat1
[1] erd xyz erd asd asd erd xyz asd erd erd asd xyz
erd asd xyz xyz erd xyz erd
[20] erd erd xyz xyz erd erd erd erd xyz xyz xyz
To: r-help
Cc: Jeff, Matt, Duncan, Hadley [ using Nabble to cc ]
Jeff, Matt,
How about the 'refdata' class in package ref.
Also, Hadley's immutable data.frame in plyr 1.1.
Both allow you to refer to subsets of a data.frame or matrix by reference I
believe, if I understand correctly.
On Fri, Aug 20, 2010 at 11:01 AM, Ron Michael ron_michae...@yahoo.com wrote:
Dear all, let suppose I have following vector:
dat1 - c(rep(asd, 5), rep(xyz, 12), rep(erd, 17))
dat1 - dat1[sample(1:length(dat1), length(dat1), replace=F)]
dat1
[1] erd xyz erd asd asd erd xyz asd erd erd asd xyz
Hi,
You can try sapply(levels(as.factor(dat1)),nchar)
Alain
On 20-Aug-10 12:01, Ron Michael wrote:
Dear all, let suppose I have following vector:
dat1- c(rep(asd, 5), rep(xyz, 12), rep(erd, 17))
dat1- dat1[sample(1:length(dat1), length(dat1), replace=F)]
dat1
[1] erd xyz erd asd asd erd
On Fri, 2010-08-20 at 10:54 +0100, ted.hard...@manchester.ac.uk wrote:
On 20-Aug-10 09:24:17, Gavin Simpson wrote:
On Thu, 2010-08-19 at 20:32 -0700, Roslina Zakaria wrote:
Hi,
I need some opinion. I would like to use graph that I generate
from R code and save it into word document.
Hi,
I thought you were looking for table(), but the other answers gave you
something really different; I might have wrongly understood your question.
HTH,
Ivan
Le 8/20/2010 12:32, Alain Guillet a écrit :
Hi,
You can try sapply(levels(as.factor(dat1)),nchar)
Alain
On 20-Aug-10 12:01,
Hi everyone!
I'm matching two samples to create one sample that have
pairs of observations equal for the k1 variable. Merge()
doesn't work because I dont't want to recycle the values.
x - data.frame(k1=c(1,1,2,3,3,5),
k2=c(20,21,22,23,24,25))
x
y - data.frame(k1=c(1,1,2,2,3,4,5,5),
Hi Ivan,
Now I read the other answers I also think I misunderstood the
question... The good thing is that one of use certainly gave the right
answer to the question ;-)
Alain
On 20-Aug-10 12:37, Ivan Calandra wrote:
Hi,
I thought you were looking for table(), but the other answers
Hello,
Im trying to create a heatmap with a dataset (38 x 15037) but get the
error below:
Error: protect(): protection stack overflow
Execution halted
or
Error: C stack usage is too close to the limit
Execution halted
I tried to increase the stack size by changing:
extern uintptr_t
This regards an old post that posed the question:
Tom Hodgess wrote:
The problem is the (apparent?) inability to produce moving range
process behavior (a.k.a. control) charts with individuals data in the
package qcc (v. 2.0). I have also struggled with the same limitation
in package IQCC (v.
Philippe Grosjean wrote:
On 20/08/10 09:11, Joshua Wiley wrote:
On Thu, Aug 19, 2010 at 9:18 PM, Donald Paul Winston
satchwins...@yahoo.com wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for my quest. But ?latex() gives me an error. The package
See in-line below.
On 20-Aug-10 10:37:50, Gavin Simpson wrote:
On Fri, 2010-08-20 at 10:54 +0100, ted.hard...@manchester.ac.uk wrote:
On 20-Aug-10 09:24:17, Gavin Simpson wrote:
On Thu, 2010-08-19 at 20:32 -0700, Roslina Zakaria wrote:
Hi,
I need some opinion. I would like to use graph
Which format is better? pdf, jpeg or tiff?
png and jpeg are bitmap formats, and you can trigger the resolution
playing with options width, height (in pixels) and res (nominal DPI)
till you find what is suitable for your purpose. Png is definitely the
way to go for graphs.
Pdf is the overall best
On Fri, Aug 20, 2010 at 12:32 PM, Ted Harding
ted.hard...@manchester.ac.uk wrote:
Now that you remind me, I do recall sending EPS (not EPSI) files to
someone and they could see them in Word (recent version). So perhaps
Office has moved on (slightly)! Like you, I use Linux and try to
avoid
Jeff,
R has 'environments' as a general mechanism to pass around objects by
reference. However, that does not help with most functions like 'apply' which
take arguments other than environments.
I'm familiar with FF and BigMemory, but are there any packages/tricks which
allow for passing
Dear Iasonas,
-Original Message-
From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On
Behalf Of Iasonas Lamprianou
Sent: August-20-10 5:55 AM
To: r-help@r-project.org
Subject: [R] Deviance Residuals
Dear all,
I am running a logistic regression and this
Hi Cecília,
Assuming that you want to pair two samples as more as possible, let's
relabel the k1 indices. The x$k1 c(1,1,2,3,3,5) could be relabeled as
c(1.01,1.02,2.01,3.01,3.02,5.01), so as y$k1.
x$k1 - x$k1+sequence(rle(x$k1)$lengths)/100
y$k1 - y$k1+sequence(rle(y$k1)$lengths)/100
On Aug 20, 2010, at 5:54 AM, Iasonas Lamprianou wrote:
Dear all,
I am running a logistic regression and this is the output:
glm(formula = educationUniv ~ brncntr, family = binomial)
Deviance Residuals:
Min 1Q Median 3Q Max # αυτά είναι
τα υπόλοιπα
-0.8825 -0.7684
On Aug 20, 2010, at 6:44 AM, Cecilia Carmo wrote:
Hi everyone!
I'm matching two samples to create one sample that have
pairs of observations equal for the k1 variable. Merge() doesn't
work because I dont't want to recycle the values.
When there is more than one possible match in either y
that's enough, thank you
now I need to do some more background reading... cheers
Dr. Iasonas Lamprianou
Assistant Professor (Educational Research and Evaluation)
Department of Education Sciences
European University-Cyprus
P.O. Box 22006
1516 Nicosia
Cyprus
Tel.: +357-22-713178
Fax:
On Fri, Aug 20, 2010 at 6:44 AM, Cecilia Carmo cecilia.ca...@ua.pt wrote:
Hi everyone!
I'm matching two samples to create one sample that have
pairs of observations equal for the k1 variable. Merge() doesn't work
because I dont't want to recycle the values.
x - data.frame(k1=c(1,1,2,3,3,5),
Thanks, I'll try to put my hands on the reference
By the way, would it be easier if I just checked out the code by which the glm
function computes the residuals? Or maybe this is not a very good idea. And if
it is, how can I check out the source, I never really found out!
jason
Dr. Iasonas
hello cecilia,
i tried:
yn-y[y$k1%in%x$k1,]
xn-x[x$k1%in%y$k1,]
x1st-unique(match(yn$k1,xn$k1))
y1st-unique(match(xn$k1,yn$k1))
new-cbind(k1=intersect(y$k1,x$k1),k2.x=xn[x1st,2],k2.y=yn[y1st,2])
giving:
k1 k2.x k2.y
[1,] 1 20 10
[2,] 2 22 12
[3,] 3 23 14
[4,] 5 25 16
..gabor gave the solution during i was typing -
so please disregard this.
yours,
kay
-
Kay Cichini
Postgraduate student
Institute of Botany
Univ. of Innsbruck
--
View this message in context:
On Aug 20, 2010, at 5:54 AM, (Ted Harding) wrote:
On 20-Aug-10 09:24:17, Gavin Simpson wrote:
On Thu, 2010-08-19 at 20:32 -0700, Roslina Zakaria wrote:
Hi,
I need some opinion. I would like to use graph that I generate
from R code and save it into word document. Whichformat is better?
pdf,
Dear R Helpers
I have following data -
cash_flow = c(7, 7, 107) # 107 = Principle 100 + interest of 7%
t = c(1,2,3)
and zero rate table as
rating year1 year2 year3
AAA 3.60 4.17 4.73
AA 3.65 4.22
On 20/08/10 13:22, Duncan Murdoch wrote:
Philippe Grosjean wrote:
On 20/08/10 09:11, Joshua Wiley wrote:
On Thu, Aug 19, 2010 at 9:18 PM, Donald Paul Winston
satchwins...@yahoo.com wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for my quest. But
This is what I need, but my dataframe has many rows and it
returns to me the following message:
Error: cannot allocate vector of size 120 Kb
In addition: There were 18 warnings (use warnings() to see
them)
Could you help me,
Thanks
Cecília
Em Fri, 20 Aug 2010 08:30:16 -0400
Gabor
Dear R mailing list members,
I am trying to find a way to assign samples into groups depending on their
mathematical distribution in a computational way (that is, looped many times).
My input is by row, a series of 34 samples per row with n rows. The goal would
be to compute the distribution
Thanks Joshua, David and Peter.
2010/8/18 Peter Dalgaard pda...@gmail.com
On 08/18/2010 06:20 PM, Joshua Wiley wrote:
matrix(1:4, nrow = 4, ncol = 1, dimnames = list(NULL, true value))
or even
cbind(true value=1:4)
--
Peter Dalgaard
Center for Statistics, Copenhagen Business School
On Aug 20, 2010, at 8:25 AM, Iasonas Lamprianou wrote:
Thanks, I'll try to put my hands on the reference
By the way, would it be easier if I just checked out the code by
which the glm function computes the residuals? Or maybe this is not
a very good idea. And if it is, how can I check out
hello gavin achim,
thanks for responding.
by logistic regression tree i meant a regression tree for a binary response
variable.
but as you say i could also use a classification tree - in my case with only
two outcomes.
i'm not aware if there are substantial differences to expect for the two
Dear R users
I am using KS test to compare two different distribution for the same
variable (temperature) for two different time periods.
H0: the two distributions are equal
H1: the two distributions are different
ks.test (temp12, temp22)
Two-sample Kolmogorov-Smirnov test
data: temp12
The rule is not important to me. I'm selecting a sample
that must have one important feature: the same number of
obs from x and from y with the same k1.
Thanks
Cecília
Em Fri, 20 Aug 2010 08:28:24 -0400
David Winsemius dwinsem...@comcast.net escreveu:
On Aug 20, 2010, at 6:44 AM, Cecilia
On Fri, Aug 20, 2010 at 9:07 AM, Cecilia Carmo cecilia.ca...@ua.pt wrote:
This is what I need, but my dataframe has many rows and it returns to me the
following message:
Error: cannot allocate vector of size 120 Kb
In addition: There were 18 warnings (use warnings() to see them)
Assuming
It wasn't the merge command. It doesn't create the
variable x3.
Cecília
Em Fri, 20 Aug 2010 09:22:29 -0400
Gabor Grothendieck ggrothendi...@gmail.com escreveu:
On Fri, Aug 20, 2010 at 9:07 AM, Cecilia Carmo
cecilia.ca...@ua.pt wrote:
This is what I need, but my dataframe has many rows and
On 08/19/2010 11:18 PM, Donald Paul Winston wrote:
I'm experimenting using R as a report writer. I'm told LaTex is the
destination for my quest. But ?latex() gives me an error. The package
manager does not have it. The package installer can't find it. Where is it?
It amazes me that there's not
Hi,
I wanted to compute the value of the function ifn at certain values of n. But I
am receiving the following error when I was using the following code(given at
the end).
Error: evaluation nested too deeply: infinite recursion / options(expressions=)?
I feel that since the function Grx is
On Fri, Aug 20, 2010 at 9:27 AM, Cecilia Carmo cecilia.ca...@ua.pt wrote:
It wasn't the merge command. It doesn't create the variable x3.
Cecília
How about:
x$k3 - with(x, unlist(tapply(k1, k1, seq_along)))
y$k3 - with(y, unlist(tapply(k1, k1, seq_along)))
R Experts,
I would like to create a series of variables without having to assign a
separate line of code
for each new variable. My abbreviated dataframe (DF) contains two groups of
linked variables
(SP1:SP3) and (CAU1:CAU3). Within SP1:SP3 are character codes (full dataframe
contains 26
On Aug 20, 2010, at 9:19 AM, Izidine Pinto wrote:
Dear R users
I am using KS test to compare two different distribution for the same
variable (temperature) for two different time periods.
H0: the two distributions are equal
H1: the two distributions are different
ks.test (temp12, temp22)
On Fri, Aug 20, 2010 at 9:33 AM, Gabor Grothendieck
ggrothendi...@gmail.com wrote:
On Fri, Aug 20, 2010 at 9:27 AM, Cecilia Carmo cecilia.ca...@ua.pt wrote:
It wasn't the merge command. It doesn't create the variable x3.
Cecília
How about:
x$k3 - with(x, unlist(tapply(k1, k1,
Hi Izidine,
On Friday, 20. August 2010 15:19:24 Izidine Pinto wrote:
Dear R users
I am using KS test to compare two different distribution for the same
variable (temperature) for two different time periods.
H0: the two distributions are equal
H1: the two distributions are different
On Fri, 20 Aug 2010, Kay Cichini wrote:
hello gavin achim,
thanks for responding.
by logistic regression tree i meant a regression tree for a binary
response variable. but as you say i could also use a classification tree
- in my case with only two outcomes.
i'm not aware if there are
It amazes me that there's not a built in report function that can produce
the same kinds of reports that every report writer and data analysis
software in the whole word can do. (see SAS, Crystal Reports, SPSS, Oracle
Reports, Actuate, Hyperion, Cognos, ..etc)
To do some reports, most of R users
Look at your first function:
Grx-function(x,r)
{
G0=Grx(x,0)
G0=1;
fu1-function(t){exp(-t^2/(2*r*(r+1)))*Grx(x,r-1)}
return(integrate(fu1,0,x)$value)
}
It immediately calls itself for infinite recursion. How did you
expect to stop it? I would have expected some type of test before the
call. I
I will ask a variation on my favorite question that is on my signature line:
Tell me what you want to do, not how you want to do it.
On Fri, Aug 20, 2010 at 9:48 AM, David Hajage dhajag...@gmail.com wrote:
It amazes me that there's not a built in report function that can produce
the same kinds
On Friday, 20. August 2010 15:19:24 Izidine Pinto wrote:
Dear R users
I am using KS test to compare two different distribution for the same
variable (temperature) for two different time periods.
H0: the two distributions are equal
H1: the two distributions are different
ks.test (temp12,
The last one worked! The other one, not.
Thank you very much!
Another question about merge(): sometimes I'm merging two
dataframes and the merged dataframe has much more rows
than the two merged? I think this should not happen,does
it?
Cecília
Em Fri, 20 Aug 2010 09:37:26 -0400
Gabor
On Fri, Aug 20, 2010 at 9:59 AM, Cecilia Carmo cecilia.ca...@ua.pt wrote:
The last one worked! The other one, not.
Thank you very much!
Another question about merge(): sometimes I'm merging two dataframes and the
merged dataframe has much more rows than the two merged? I think this should
Awesome!
Good news, James. Thanks for letting us know. Glad you were able to
sort this out.
-steve
On Thu, Aug 19, 2010 at 5:00 PM, Watling,James I watli...@ufl.edu wrote:
Hi Steve--
I spent some more time tuning the model with alternative gamma and cost
values, but still kept coming back
GS == Gavin Simpson gavin.simp...@ucl.ac.uk
on Fri, 20 Aug 2010 10:13:38 +0100 writes:
GS On Fri, 2010-08-20 at 12:25 +0530, sambit rath wrote:
Dear all,
I am fairly new to R. I would like to perform a step-wise logit
regression aiming to select a model on the basis
Dear Dr. Iasonas,
perhaps the following reference could also be useful:
Dunn, P.K., Smyth, G.K., 1996. Randomized quantile residuals. J. Comput. Graph.
Stat. 5, 236–244.
An introduction to this residual definition and a link to the paper could be
find here:
On Fri, 2010-08-20 at 01:30 -0700, Joshua Wiley wrote:
I usually save them
from R as a PDF or postscript file, rasterize them in GIMP (free
answer to Photoshop) at the desired resolution, and finally choose the
desired format/compression (jpeg, png, bitmap, tiff, etc.) to save it
as from
I am trying to install R Commander in my R installation on a laptop running
the 64 bit version of Windows 7 Professional. I was running R as the
Administrator.
The downloads proceed normally via CRAN, but then I get the following error
messages:
package 'slam' successfully unpacked and
Fortune alert:
It's actually slightly more complicated: ?ls() really is parsed as ?
of ls(), not (?ls)().
On Fri, Aug 20, 2010 at 11:53 PM, jim holtman jholt...@gmail.com wrote:
I will ask a variation on my favorite question that is on my signature line:
Tell me what you want to do, not how
The treatment of dates seems to be a little inconsistent in R 2.11.1
(2010-05-31):
[1] The choice of origins?
as.integer(as.Date(1970-01-01))
works and assumes as origin 1970-01-01. However,
as.Date(1)
does not work. It requires an origin (as.Date(1,
origin=1970-01-01)). If we set a
The first one worked great. Thanks for the quick response.
The second one, with the with statement, gave me the following error:
Error in aggregate.date.frame(as,dat.frame(x), ...): arguments must have
same length
Ken
PS. What is the proper etiquette? Should I respond to you individually
and
Both of these worked great. Thanks for the quick response.
Question: which of the three codes (these two and Phil's) would be preferred
from a performance in R perspective? They all ran extremely fast.
Ken
-Original Message-
From: Gabor Grothendieck [mailto:ggrothendi...@gmail.com]
On Fri, Aug 20, 2010 at 10:35 AM, ivo welch ivo.we...@gmail.com wrote:
The treatment of dates seems to be a little inconsistent in R 2.11.1
(2010-05-31):
[1] The choice of origins?
as.integer(as.Date(1970-01-01))
works and assumes as origin 1970-01-01. However,
as.Date(1)
The zoo
Hi,
I am having trouble using the ave function with a POSIXct object. For
example:
x-Sys.time()+0:9*3600
dat-data.frame(id=rep(c('a','
b','c'),each=10),dt=rep(x,3),i=rep(1:10,3))
dat
# This is what I want to do:
dat$time.elapsed-unsplit(lapply(split(dat$dt,dat$id),function(x)
x-x[1]),f=dat$id)
Ken,
Your error message
Error in aggregate.date.frame(as,dat.frame(x), ...):
arguments must have same length
would arise if you called the 'Date' variable 'date'.
R is a case-sensitive language: 'date' is a function
object (with length 1) and 'Date' is the variable in
your data.frame
It would be good to tell us of the frequency of observations in each
category of Y, and the number of continuous X's. Recursive
partitioning will require perhaps 50,000 observations in the less
frequent Y category for its structure and predicted values to
validate, depending on X and the
I have the following data table:
[,1] [,2] [,3] [,4] [,5]
[1,] 2575 1927 1754 581 354
[2,] 1156 810 730 541 237
[3,] 417 297 199 125 110
[4,] 281 132 132 47 58
[5,] 152 84 87 54 19
Each column represents a time interval expressed in nano-seconds
Each row
Hi,
On 8/14/10 11:43 PM, Stephen Liu wrote:
Could you please explain a little bid further whether after connecting the
website I can select either 32 or 64 bit version?
R packages come in pre-compiled binary flavors for some OS/architectures
and always as source packages. If you are on
On Aug 20, 2010, at 10:56 AM, Sasha Hafner wrote:
Hi,
I am having trouble using the ave function with a POSIXct object. For
example:
x-Sys.time()+0:9*3600
dat-data.frame(id=rep(c('a','
b','c'),each=10),dt=rep(x,3),i=rep(1:10,3))
dat
# This is what I want to do:
Hi
Just in case somebody could be interested I've found that
unlist(lapply(split(mydata,as.Date), cummax))
could make the job
but I don't know if it's the proper way if I want to use zoo objects.
Any suggestion??
--
View this message in context:
David pointed out that it would have helped to include the results of
str(pilot) in my original post.
I ran the str(pilot) and, sure enough, it revealed the problem (my
error), that the column name should be date1. Also, the editor in
Outlook capitalized Date, so that was another problem.
Now,
Hi folks,
Maybe that is not the best place to ask, but I 'd like some of you could
help me...
I'm using jri to run R commands under Java, by its examples I can eval
expressions, returning single values or vectors to my Java variables. But, I
would like to know how to assign the values of a Java
On Fri, 2010-08-20 at 10:35 -0400, ivo welch wrote:
The treatment of dates seems to be a little inconsistent in R 2.11.1
(2010-05-31):
snip /
[2] How do dates on axes work?
plot( c(as.Date(1:20, origin=1970-01-01)), 1:20 )
axis( side=3, c(as.Date(1:20, origin=1970-01-01)))
The
On Fri, Aug 20, 2010 at 7:30 AM, Stuart Luppescu s...@ccsr.uchicago.edu wrote:
On Fri, 2010-08-20 at 01:30 -0700, Joshua Wiley wrote:
I usually save them
from R as a PDF or postscript file, rasterize them in GIMP (free
answer to Photoshop) at the desired resolution, and finally choose the
Le 20/08/10 17:56, Allan Freitas a écrit :
Hi folks,
Maybe that is not the best place to ask,
No it is not, this is:
http://mailman.rz.uni-augsburg.de/mailman/listinfo/stats-rosuda-devel
but I 'd like some of you could help me...
I'm using jri to run R commands under Java, by its
On Fri, Aug 20, 2010 at 11:38 AM, skan juanp...@gmail.com wrote:
Hi
Just in case somebody could be interested I've found that
unlist(lapply(split(mydata,as.Date), cummax))
could make the job
but I don't know if it's the proper way if I want to use zoo objects.
Any suggestion??
See
Essentially, you just want to fit a smooth surface over your grid of
x,y values. Lots of ways to do this, but check out ?loess for a simple
base R approach. The mgcv package does tensor product splines. Also
search on thin plate splines, 2d spatial and the like for other
approaches. There are
Dear all,
I want to compare the efficiency of 2 methods in extracting proteins from
algal samples. I collected 6 independant algal samples and I extracted 3 by
the method 1 and 3 others by the method 2.
So I have 2 groups of 3 samples, that are not paired. I would like to know
if the results
So do I. You can even convert these to MS graph format and edit some. It
is sharp, because this is also vector format.
On Fri, 20 Aug 2010 07:58:01 +0200, Jeff Newmiller
jdnew...@dcn.davis.ca.us wrote:
I use Rgui and copy/paste special windows metafile.
Roslina Zakaria zrosl...@yahoo.com
A quick question
x - as.yearmon(2000 + seq(0, 23)/12)
x
[1] Jan 2000 Feb 2000 Mar 2000 Apr 2000 May 2000 Jun 2000 Jul
2000 Aug 2000 Sep 2000 Oct 2000 Nov 2000 Dec 2000 Jan 2001
[14] Feb 2001 Mar 2001 Apr 2001 May 2001 Jun 2001 Jul 2001 Aug
2001 Sep 2001 Oct 2001 Nov 2001 Dec 2001
On Fri, Aug 20, 2010 at 2:19 PM, steven mosher mosherste...@gmail.com wrote:
A quick question
x - as.yearmon(2000 + seq(0, 23)/12)
x
[1] Jan 2000 Feb 2000 Mar 2000 Apr 2000 May 2000 Jun 2000 Jul
2000 Aug 2000 Sep 2000 Oct 2000 Nov 2000 Dec 2000 Jan 2001
[14] Feb 2001 Mar 2001 Apr 2001
Hi Chloe,
first of all, I want to note, that you should be careful using the WMW-test.
Even though it is often reported to be some sort of a swiss-army-knife for
comparing two distributions, recent research on this test has revelaed that it
is crucial what hypotheses you consider. Also the
Issues like that in this thread can often be resolved by reading the
help page for the relevant function.
From:
?wilcox.test
Note
The literature is not unanimous about the definitions of the Wilcoxon
rank sum and Mann-Whitney tests. The two most common definitions
correspond to the
1 - 100 of 156 matches
Mail list logo
