Displaying 20 results from an estimated 400 matches similar to: "(performance) time in Windows vs Linux"
2008 Oct 01
3
"tapply versus by" in function with more than 1 arguments
Hi. I searched the list and didn't found nothing similar to this. I simplified my example like below:
#I need calculate correlation (for example) between 2 columns classified by a third one at a data.frame, like below:
#number of rows
nr = 10
#the third column is to enforce that I need correlation on two variables only
dataf =
2006 Apr 19
1
apply(table) miss factor structure
Hi, all.
I didn't find something similar to this problem in
past list.
I have a data frame (named restr) where some columns
are factors, like you can see:
> table(restr[,"p1"])
0 1 2 3 4 5
0 26 1 0 1 0
> table(restr[,"p2"])
0 1 2 3 4 5 6
0 13 11 1 2 1 0
When I use apply, the factor structure is missed:
>
2009 Dec 03
2
adding bmp/jpg/gif to an existing plot
Hi, all.
I searched a lot at mailing list, installed EBImage and gtk packages, but I
couldn't make this simple work:
How to add a image file (jpg or bmp ou gif) to an existing plot window (not
plot over the image), like the code below (pseudo function add.image):
plot(1:10,1:10,main="test")
image = read.X("myimage.jpg")
add.image(image, x.left=2, y.bottom=4,
2009 Apr 27
3
Diference between volume of mp3 and wav files
Hi,
I have some files in mp3 in my Asterisk but when I play it the volume is lo=
wer than wav files. Both the files (wav and mp3) are encoded with the same =
amplitude. In anothers players the audio volume of these files are equal.
Can I fix this diference between volume of mp3 and wav file?
Thanks
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2010 Feb 02
1
# as dial key - chan_dahdi
Hi,
Can I set up '#' as dial key using the extensions fxs?
I use chan_dahdi, and a TDM400P card.
I'm testing and, nothing happens when I press #.
thanks.
--
Marcus
____________________________________________________________________________________
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2010 Apr 15
1
How can I record the conversations in a conference call?
Hello,
I wanna record the conversations in a conference call, anyone know how can I do it? I've already configurated a room on meetme.conf but I don't know as I can record the conversations.
I'm using SUSE 11 and Asterisk 1.6.2.
Thank you so much for help me.
Bye
____________________________________________________________________________________
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2010 Apr 01
2
canary_thread
People,
Anybody knows what mean this message in my CLI:
[Apr 1 16:58:34] WARNING[3845]: asterisk.c:3050 canary_thread: The canary is no more. He has ceased to be! He's expired and gone to meet his maker! He's a stiff! Bereft of life, he rests in peace. His metabolic processes are now history! He's off the twig! He's kicked the bucket. He's shuffled off his mortal
2009 Apr 23
3
Record in mp3
Somebody knows if I can save files in mp3 with the Record command on Asterisk?
I try to recompile sox to suport mp3 but Asterisk return the folowing message when I use the Record command:
- Executing [*40 at liberado15:15] Record("SIP/1201-083453c8", "/var/spool/asterisk/alarme/alarme-1201-200905121212:mp3") in new stack
??? -- <SIP/1201-083453c8> Playing 'beep'
2010 Feb 24
2
Problems with Linksys IP Phone SPA 942
Hi people,
I'm having problems of connection with a Linksys SPA IP PHONE 942 when I use the WAN port, most of the time when I try to connect to the network or restart the IP Phone I can't get internet connectivity . I tried using both static IP and DHCP, but the problem is the same. Some have had similar problem with this brand of IP Phone?
Thanks for the help and attention.
Hugs
2003 Sep 19
3
Locate first index
Hi, all. I'd like to know if exists a manner to get the first index where
a condition is attained in a vector. For example,
There is a better solution than
first.index <- table(subject[corretor==27])[1]
(give me the subject for the first time that corretor is 27)?
Thanks,
========================================
Cezar Freitas (ICQ 109128967)
IMECC - UNICAMP
Campinas, SP - Brasil
2007 Feb 23
2
OCFS 1.2.4 memory problems still?
I have a 2 node cluster of HP DL380G4s. These machines are attached via
scsi to an external HP disk enclosure. They run 32bit RH AS 4.0 and
OCFS 1.2.4, the latest release. They were upgraded from 1.2.3 only a
few days after 1.2.4 was released. I had reported on the mailing list
that my developers were happy, and things seemed faster. However, twice
in that time, the cluster has gone down due
2008 Dec 19
2
hardware needed for OCFS
Hi,
Does OCFS require NAS hardware to run or does normal PC hard disk work?
Thanks,
Pete
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2009 Aug 31
2
Problem in matrix definition?
I'm implementing a function to compute the moore-penrose inverse, using a code from the article: Fast Computation of Moore-Penrose Inverse Matrices. Neural Information Processing - Letters and Reviews. Vol.8, No.2, August 2005
However, the R presents an error message when I use the geninv.
The odd thing is that the error occurs for some arrays, however they have the same size. And the R
2002 Nov 11
2
making Samba works together with PAM
Ok fellows,
This is my last try. Please, anybody tell me if
something is missing on this list!
I need to setup on a Linux + Samba (PDC) to restrict
just one login per ID (not allow two logins with same
id).So:
1 - edit /etc/pam.d/samba -> chaging session line with
session required /lib/security/pam_limits.so
2 - in /etc/security/limits.conf:
* - maxlogins 1
3 - in smb.conf:
2003 Aug 06
2
evaluating and walking in names
Hi, all.
Suppose I have an object with names (like a data.frame) and I want to walk
in a loop with your names. How can I do this? The idea is like this:
my.data<-data.frame(matrix(runif(6),ncol=2))
names(my.data)
[1] "X1" "X2"
for(i in names(my.data)){
my.variable <- cat(paste("my.data$", i, "\n", sep=""))
print(mean(my.variable))
}
#it
2009 Aug 12
2
Problem with function in fortran 95
I am writing a function in fortran 95, but the intrinsic function MATMUL is not working properly. Here's an example.
SUBROUTINE mymult(x,y,res,m,n)
IMPLICIT NONE
INTEGER :: m,n
REAL :: x, y, res
DIMENSION :: x(m,n), y(n,m), res(m,m)
res = MATMUL(x,y)
END SUBROUTINE mymult
R CMD SHLIB mat.f95
In R:
dyn.load("mat.so")
x <-
2002 Mar 18
4
Plot 3d
There exists a plot 3d functions (or similar) in R?
Thanks,
========================================
Cezar Freitas (ICQ 109128967)
IMECC - UNICAMP
Campinas, SP - Brasil
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2000 Nov 01
3
triangular matrix
How I make the below matrix
| a^0 0 0 ... 0 |
| a^1 a^0 0 ... 0 |
| a^2 a^1 a^0 ... 0 |
| . |
| . |
| . |
| a^n a^(n-1) a^(n-2) ... a^0 |
with no loops, where "a" is a constant?
========================================================================
C?zar de Freitas
Depto. de Estat?stica - UFPE
Recife - Pernambuco - Brasil
2014 Feb 27
3
i2c bus access
Hi,
I have a particular situation that syslinux could access a i2c bus to get
some data from specific device that my hardware has. Based on these data,
syslinux should or not to boot.
It's feasible to create some i2c infraestructure to syslinux access i2c
bus? It could be used to something more than only my needs?
I digged in gpxe code and it has code to provide some i2c functionality.
2014 Feb 28
3
i2c bus access
Am 27.02.2014 20:49, schrieb H. Peter Anvin:
> I2C can be provided through an almost infinite number of controllers,
> and building an I2C subsystem in Syslinux would be a good step toward
> making it a fullblown operating system.
Why not use linux as bootloader?
Booting a (rather small) linux kernel with I?C support and either
shutting down or kexecing another linux kernel (plus