Displaying 20 results from an estimated 800 matches similar to: ""
2003 May 16
3
ARMA.predict?
Hi there,
Does anyone know how to predict ARMA? It doesn?t have either predict or forecast methods. I found couple of packages called fbasic and fseries at http://www.itp.phys.ethz.ch/econophysics/R/, which has ?arma.predict? in it, but it doesn?t seem to be working. Any help in this regard would be appreciated. Thanks in advance.
Regards
Skanda Kallur
"Prediction is very difficult,
2006 Jul 04
4
IMPORTING FILE FROM EXCEL
Hi
I am a beginner with R.
I have been trying to import a tab delimited excel file but i get the following error message
> file.show('C:\Documents and Settings\stats\Desktop\SUMI\plasma2.txt')
Warning message:
file.show(): file 'C:Documents and SettingsstatsDesktopSUMIplasma2.txt' does not exist
I have understood the programming part but i cannot go ahead unless i have
2003 May 07
1
-means, hybrid clustering or similar implementations on R
Hi,
I would like to know if someone knows an extended implementation of k-means in R to find appropriate number of clusters for a given k-dimensional data.
Also, I am working on clustering for forecasting, if someone is interested or has knowledge on implementational details please mail me, I would appreciate it.
Regards
Skanda Kallur
"Cogito, ergo sum" (I think, therefore I
2014 Dec 09
1
[RFC PATCH v2] armv7: celt_pitch_xcorr: Introduce ARM neon intrinsics
Viswanath Puttagunta wrote:
> + SUMM = vdupq_n_f32(0);
It kills me that there's no intrinsic for VMOV.F32 d0, #0 (or at least I
couldn't find one), so this takes two instructions instead of one.
> + /* Consume 4 elements in x vector and 8 elements in y
> + * vector. However, the 8'th element in y never really gets
> + * touched in this loop. So, if len == 4,
2014 Dec 07
2
[RFC PATCH v2] cover: armv7: celt_pitch_xcorr: Introduce ARM neon intrinsics
Hi,
Optimizes celt_pitch_xcorr for floating point.
Changes from RFCv1:
- Rebased on top of commit
aad281878: Fix celt_pitch_xcorr_c signature.
which got rid of ugly code around CELT_PITCH_XCORR_IMPL
passing of "arch" parameter.
- Unified with --enable-intrinsics used by x86
- Modified algorithm to be more in-line with algorithm in
celt_pitch_xcorr_arm.s
Viswanath Puttagunta
2004 Dec 29
2
icecast2.2 and aac?
Trying to get the LE version for months now, still treamguys can?t
deliver....
Regards,
Dennis Heerema
-----Original Message-----
From: "Greg J. Ogonowski" <greg@orban.com>
To: qiang Bao <jakobao@yahoo.com>, icecast@xiph.org
Date: Wed, 29 Dec 2004 11:08:04 -0800
Subject: Re: [Icecast] icecast2.2 and aac?
Icecast 2.2 works fine with AAC/aacPlus at any bitrate.
32kbps
2006 Apr 27
12
how to do a count with a variable...
hi guys, got this problem...
in my controller, when i wanna do a @temp.count it fails...
then i went to try counter = @temp.count which also failed..
thus, i feel that the count is not available for ActiveRecord::Base..so
i went to the Model class eg. user.rb
so in user.rb :
...
def count_uesr
count = 0
self.each do |record|
count ++
end
return count
end
then it ended up having
2006 Apr 18
7
Functional test, pls help!!!!
Hi guys, recently encountered this funny problem which i really dunno
wat happen...
I have been trying on it for the past few days and just doesnt work.Hope
you guys can give me some enlightenment.
Problem:
The functional test doesnt seems to be able to recognise one of my
model, and when i run the test, it keeps giving me the error of"You have
nil object when you don''t expect
2005 Feb 04
2
how to generate a function from a linear model
Hi All,
I am trying to generate a function from a linear model. I think there
should be build-in function that perform this action but I've had no
luck finding it.
For example, I have a model created using lm().
model <- lm(sat.d~1+sat.n+I(sat.n^2))
What I would like to have is a function (similar to the one generated
by splinefun()) so that I can use it on different data-sets.
2006 Jun 07
4
WEBrick wouldnt start....
hi guys, just did a search and cant find anything helpful..
suddenly my WEBrick cant start.... omg.... dunno wat''s wrong with it
that''s wat i typed :
......$ruby script/server
=> Booting WEBrick...
......$
that''s all... i dont even know wat''s wrong and when i did a ps -F -C
ruby, i also couldnt find anything.....
did i jsut corrupt the file or wat???
2005 Apr 05
5
R can not show plots (in Mac OS X terminal)
Dear all:
I am a newbie in Mac. Just installed R and found R did not react on my
command plot (I use command line in terminal). It did not give me any
error message, either. All it did was just giving out a new command
prompt--no reaction to the plot command. I suppose whenever I gives out
a command of plot, it will invoke the AquaTerm for a small graph, as I
experience in octave. What can I
2004 Dec 29
3
icecast2.2 and aac?
it seems that icecast 2.2 can only stream aac at 128kbps!
mp3 and ogg are ok at all bitrates.
is it a bug or my config wrong?
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2009 Sep 03
1
Running an expression 1MN times using embedded R
Hello,
I'm evaluating this expression
expression({ for(x in 1:5){ .Call('rh_status','x') }})
a million times from a program with R embedded in it. I have attached
reproducible code that crashes with
Program received signal SIGSEGV, Segmentation fault.
0x00002b499ca40a6e in R_gc_internal (size_needed=0) at memory.c:1309
1309 FORWARD_NODE(R_PPStack[i]);
Current language:
2008 Jan 10
2
Database most suited for RoR
Hi,
Out of curiosity I got to learn Ruby on Rails. Wondering somehow, as to
which Data base is best suited for Ruby on Rails and Why? Any
Comments/Suggestions Please!
Thanks
Manu
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2006 Apr 20
11
dynamic mock object anyone?
Hi guys, got this problem with creating such a thing... hope anyone
could help..
the problem:
ok, now i have this mock object that would simulate a external rpc call.
eg
require ''models/xmlrpc_agent''
class XmlrpcAgent
def create(params)
200
end
end
but the value of the value returned is fixed. which is quite hard for me
to test the controller when different
2007 Jul 12
4
file couldn't play after Speex encode and decode
Dear sir,
I've a problem that the .wav file couldn't play after calling "sampleenc
male.wav|sampledec male_speex_15.wav".I found that the new file
male_speex_15.wav is smaller than the original file in size.I implemented
the test on Linux system.The original file male.wav is 96044 bytes,while the
new file male_speex_15.wav is 96000 bytes.I'm eager to know the reason.Thankyou!
2007 Jul 16
1
How to write a data.frame into n different csv-files
Hello,
I want to write a data.frame with 10 different entries x (by index y)? into ten different csv-files.
In every output file should be one of the ten numbers of x.
I tried this one, but I can't write into ten different files, like test1.csv to test10.csv:
x <- rnorm(10)
y <- c(1:10)
z <- data.frame(y,x)
n <- nrow(z)
for (i in 1:n) write.csv(z$x[i],
2007 Dec 20
1
Recursive solution with for()
Hello,
i just ran into the following problem: I wanted to recursively solve
equations of the type x_1[t]=x_1[t+1]+beta*x_2[t], and used a for-loop
written
for(j in c(1:t-1, recursive=TRUE){
...
}
This didn't work, so i resolved to writing
for(j in c(10,9,...,1){
which worked, but is not terribly efficient. So, what did I do wrong?
Thanks in advance,
Owe
--
Owe Jessen
Diplom-Volkswirt
2006 Jan 26
3
Help on implementing rails from html with php
Hi guys, just started using rails and is trying to implementing the
present html with some rails...
However i met this problem when i am trying to port over some php code
in html to rails and i cant find any method to successful convert the
php codes.
Below is a feature i tried to implement in rails way:
there are 2 buttons on the html. Besides these 2 buttons is an infobox.
So, whenever
2014 Dec 07
3
[RFC PATCH v2] cover: armv7: celt_pitch_xcorr: Introduce ARM neon intrinsics
From: Viswanath Puttagunta <viswanath.puttagunta at linaro.org>
Hi,
Optimizes celt_pitch_xcorr for floating point.
Changes from RFCv1:
- Rebased on top of commit
aad281878: Fix celt_pitch_xcorr_c signature.
which got rid of ugly code around CELT_PITCH_XCORR_IMPL
passing of "arch" parameter.
- Unified with --enable-intrinsics used by x86
- Modified algorithm to be more