Displaying 20 results from an estimated 1000 matches similar to: "evaluating and walking in names"
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
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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2004 Jun 20
1
hidden markov models in R?
Hi, friends!
Has R estimation (library, for example) to do estimation in HMM?
Thanks in advance,
========================================
Cezar Freitas
Estatistico - Comissao Permanente para os Vestibulares / UNICAMP
Probabilidade e Estatistica Aplicadas - IME / USP | IMECC / UNICAMP
Campinas | Sao Paulo, SP - Brasil
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
2009 Jun 26
5
(performance) time in Windows vs Linux
Hi, all.
I began to migrate my R codes from Windows to Linux and surprised me
with an old question. I simplified the problem and made a little test to compare times at same
computer and the Linux time is worse (not so little) than Windows time:
28 vs 53 seconds.
I make an example (below) to facilitate all to see the difference.
I also build from source (it's my first time) a version of R to
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,
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:
>
2005 Feb 17
1
short plots: lwd, margin and postscript behavior
Hi all.
I'm working with a short plot (3x3 inches), but the
results (via postscript command) are not nice. The lwd
command don't affect the lines (that are very large)
and the margins don't change using oma, mai, mar, ...
Below I put an example. Moreover, save the graphics
via postscript command isn't working well (see the
attached ps).
Thanks by the help,
Cezar Freitas.
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 Dec 04
4
beginning my R-learning
Hello,
I'm just beginning to learn R. What books/online learning modules with
datasets would you suggest?
Thank you!
Best wishes,
Michael
____________________________________
Michael McCulloch
Pine Street Clinic
Pine Street Foundation
124 Pine Street, San Anselmo, CA 94960-2674
tel 415.407.1357
fax 415.485.1065
email: mm at pinest.org
web: www.pinest.org
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
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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2006 Dec 10
4
sample "n" random positions from a matrix
Hi there,
I have a binary matrix (dim 100x100) filled with values 0 and 1. I need select a record "n" positions of that matrix when values are 1. How can I do that?
Thanks for all,
Miltinho
Brazil
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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 Jul 10
2
Administrative Share
Hi everybody,
I've been looking for information on "how to create administrative
shares", but I didn't find... Can you help me on this matter?
Regards,
--
Benilton Carvalho
DE / IMECC / UNICAMP
Red Hat Linux i18n Team
2003 Jul 10
2
DIAGNOSIS.TXT
Hi all,
working on the problem that I cannot log in from my NT4 box I noticed
that:
- Test 8 from DIAGNOSIS.TXT fails:
from the NT machine I try:
"net view \\server"
and I have:
"System error 5 has occurred.
Access denied"
I don't know how to handle this... Could you please help me?
Regards,
--
Benilton Carvalho
DE / IMECC / UNICAMP
Red Hat Linux i18n Team
2007 Mar 12
3
reading BMP into R
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2008 Feb 19
1
Problem with sync files when no dir in the destin
Hi i'm a new user but rsync is easy and a great tool
I have a folder caled source and a folder caled destini, like this
+ Source
|_ FolderA
|____ File1
|____ File2
+ Destini
I use this comando to sync only File 1
rsync -a Souce/FolderA/File1 Destini
it's copy the File 1 to Destini but i would like who rsync create te Folder A in the destini and put the File 1 inside Then.
I read