Displaying 20 results from an estimated 900 matches similar to: "camberra distance?"
2004 Jun 30
1
Developing functions
Without trying to understand your code in detail let me just
assume you are trying to create a matrix, ret, whose i,j-th
entry is some function, f, of row i of X and row j of X.
In that case this should do it:
apply(X,1,function(x)apply(X,1,function(y)f(x,y)))
Date: Wed, 30 Jun 2004 15:28:47 -0300 (ART)
From: <daniel at sintesys.com.ar>
To: <r-help at stat.math.ethz.ch>
2010 Jan 27
1
Possible bug in fisher.test() (PR#14196)
# is there a bug in the calculation of the odds ratio in fisher.test?
# Nicholas Horton, nhorton at smith.edu Fri Jan 22 08:29:07 EST 2010
x1 = c(rep(0, 244), rep(1, 209))
x2 = c(rep(0, 177), rep(1, 67), rep(0, 169), rep(1, 40))
or1 = sum(x1==1&x2==1)*sum(x1==0&x2==0)/
(sum(x1==1&x2==0)*sum(x1==0&x2==1))
library(epitools)
or2 = oddsratio.wald(x1, x2)$measure[2,1]
or3 =
2009 Jul 02
2
to creates an array
Is there a command as "mat.or.vec(nr,nc)" to create an array that I must calculate with more cicle?
[[alternative HTML version deleted]]
2003 Jan 06
1
On nlm
Dear all, I have to minimize a (real) function in a loop (say i in
(1:1000)) and store its ``$estimate'', via
l2estim<-nlm(f.minimo,c(-.01,0.1))$estimate
into a vector for further analisys.
Since the function's behaviour is quite peculiar (in the sense that in
the simulation study it may not have a minumum), sometimes I get the the
warning
Error in nlm(minimo, c(-0.01, 0.1),
2007 Nov 05
1
Help with Error Message
Hoping someone can offer me some assistance. I'm trying to execute a script
and I keep getting this error message about "Error: element 12 is empty".
I'm wondering if my syntax is incorrect within legend.list. If anyone has
any suggestions to sees something obvious that I am missing, I would greatly
appreciate any help.
Many Thanks,
Patrick
> # These are the symbols and
2007 Sep 14
1
howwinbind cache time works
Hello list
I' ve a question regarding Samba Documentation
I could not figure out how Winbind chace time works
I know thsi parameter is user to configure a period of time in which the
samba server "retain" user credential to speed up access...
What I need to know is WHEN this time starts and is renewed
the countdown is restarted every time the user authenticates ?
or is a
2007 Aug 06
1
Create vectors form matrices
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indicato...
Nome: non disponibile
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2009 Nov 25
1
draw circle on PCA plot
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2008 Nov 04
18
Can I do foo.should (be_nil || be_empty) in rspec
Is there any way to do
foo.should (be_nil || be_empty)
in rspec.
Thanks in advance
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2008 Jun 07
3
Match render :nothing
Hello guys,
Is there any way to match a render :nothing?
I coudn''t find any way to do this so i''ve just changed my controllers
to do a "head :ok", but it would be nice to know if there is any other
way :)
--
Maur?cio Linhares
http://alinhavado.wordpress.com/ (pt-br) | http://blog.codevader.com/ (en)
Jo?o Pessoa, PB, +55 83 8867-7208
2007 Oct 16
2
Canberra distance
Hi,
I misunderstand the definition of Canberra distance in R.
On Internet and in function description pages of dist() from stats and
Dist() from amap, Canberra distance between vectors x and y, d(x,y), is :
d(x,y) = sum(abs(x-y)/(x+y))
But in use, through simple examples, we find that the formula is :
d(x,y) = (NZ + 1)/NZ * sum(abs(x-y)/(x+y))
with NZ = nb of pairs of coordinates that are
2015 Jan 15
4
[LLVMdev] Registration for Euro LLVM 2015 now open
We are happy to announce that Euro LLVM 2015 is now open
for registration.
https://www.eventbrite.com/edit?eid=15350278095
Details at:
http://llvm.org/devmtg/2015-04/
We would reccomend registering early as places are limited.
Andy Thomason,
Goldsmiths.
---
This email is free from viruses and malware because avast! Antivirus protection is active.
http://www.avast.com
2003 Jun 09
7
Quickbooks revisited
I did testing on generating this report from a 130 MB Quickbooks file.
Locally, 15 seconds. Samba Server, 1:35. Shared off of my win98
Workstation, 2+ mins. I do not understand the reason it is SOO slow. I
know it is a fairly large file. The only explanation I can come up with is
the way QuickBooks is accessing the files. Maybe jumping all around the
file, requiring many operations on the
2005 Dec 13
5
getting faster results
Hey,
Can anyone answer this question. I am working with really large datasets and most of the programs I have been running take quite some time.
I heard that R may be faster in Unix. I sthis true and if so can anyone reccomend which system and requirements may allow things to go faster for?
Thanks!!
Elizabeth Lawson
---------------------------------
[[alternative
2008 Oct 29
7
Decent Voip Phones for enterprise
Hi there
Our company is using the Linksys SPA-942 Phones, and they are pretty useless.
They dont have any central management or provisioning, as well as a pretty bad interface.
Can anyone reccomend any voip phones( Cisco, Polycom, SNOM ) that have
* Central Management for all the phones (We dont mind if we have to buy the software to manage them)
* Programable shortcut buttons, So i can
2006 Jun 09
2
Noob with Overwhelming Deployment Woes...
I''m doing some searching for deployment options, and I feel like I''m
getting buried in a lot of new technology and assumptions that I know
all that it''s dependent on. In the past I''ve done small things with PHP
where I just dump the app in a folder and everything works out of the
box.
I found that everyone is using Capistrano, which relies on Subversion
2006 Jun 28
2
WIFI sip phone
Hi folks!
Based upon your experience on the field what wifi sip phone would you
reccomend ?
A customer asked for a wireless * install and I'm looking for advice, tnx
Alessio Focardi
[[*] - Interconnessioni Italy
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2006 May 13
10
new user
Hi!!!!
I''ve tried ROR! it''s fantastic!!! wonderful!!!
I WANT LEARN ALL ABOUT IT!!!
Do you have some links ( if exists in italian language ), or suggest me
some book i can buy??
thx very much
--
/\/\ariano Di Felice
Java PHP Python programmer
with MySQL, PostgreSql, SQLite and Oracle support
Linux Platform Developer
mariano.difelice@gmail.com
Tel. 0735 703735
Cell +39 339
2006 Jul 24
3
Rails and Dojo
Anyone have any positive or negative experiences trying to get Dojo to
play nicely with Rails / Prototype / Scriptaculous?
Would people recommend it? Recommend against it? Why?
Thanks,
Brad
2002 May 09
4
copy a large volume of data from PC to samba server
Hi there,
Is there someone over there knows a method or script
that can copy a large volume of data (in folders) from PCs
to a samba server (suppose there is enough space there)?
I know using smbclient or smbtar can backup data on PCs
to samba server, but it is written in tar files.I wonder whether
this method can handle a large folder, say, in 10GB size.
Also, using smbclient with mget and