Displaying 11 results from an estimated 11 matches for "lopsided".
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2007 Oct 19
1
Managing a lopsided has_and_belongs_to_many relationship
I''ve got a fixed list of several thousand Things, and a User base that
may grow to who knows how big (we can only hope ,right?) Users have and
belong to many Things. I want to display a list of top Things, based on
how many users each has. Things with 0 users are not displayed.
Two questions. First, I expect the density of the relatioships to focus
on a small percentage of the
2007 Jul 10
2
integration over a simplex
Hello
The excellent adapt package integrates over multi-dimensional
hypercubes.
I want to integrate over a multidimensional simplex. Has anyone
implemented such a thing in R?
I can transform an n-simplex to a hyperrectangle
but the Jacobian is a rapidly-varying (and very lopsided)
function and this is making adapt() slow.
[
A \dfn{simplex} is an n-dimensional analogue of a triangle or
tetrahedron.
It is the convex hull of (n+1) points in an n-dimensional Euclidean
space.
My application is a variant of the Dirichlet distribution:
With p~D(a), if length(p) = n+1 then th...
2007 Dec 03
3
Speed vs Windows systems issue
Hello,
I've a CentOS-5 system (kernel-2.6.18-8.1.14el5) SMP arch running
samba-3.0.27a. A user reported extremely long load time (11 minutes) of
a 43MB file across a 3Mb/sec WAN link. Copying the same file to a
windows server and opening it from there on the same client system took
about 2:30.
Research found the below thread from April:
2018 Mar 29
2
virtio over SW-defined/CPU-driven PCIe endpoint
...ice to somehow notice memory accesses and
rely on explicitl notification instead. Separate device-written and
driver-written data into different cache-lines or pages.
3) Use something other than virtio/virtqueues instead.
As an aside, I noticed that the memory allocation for virtqueues is very
lopsided; the driver always allocates the storage. This means that the
device must perform PCI reads to transfer data from the driver to the
device. PCI reads are typically slower than PCI writes since reads
require a round-trip transfer, whereas writes can be posted. I wonder if
any thought has been pu...
2009 Feb 25
0
basketball (was: R spam)
...rly evenly
matched.
The same rule applies in football, but turnovers are more common there.
In baseball, on the other hand, scoring opportunities often arise in
clumps due to the incremental nature of pushing baserunners around the
bases (as well as more subtle factors like pitcher fatigue) so lopsidedly
varying scores (often swinging back and forth even in a short series
between the same teams) are quite common.
All of this lies in the burgeoning field of sports statistics which now
has its own ASA section, journal, etc. so I hope we won't get stuck on it
here, unless somebody writes a...
2003 Feb 10
2
Wireframe (lattice) questions
I have a few questions on formatting wireframe plots:
1. How can I remove (or at least "white-out") the border on the plot?
(I.e., the 2-d box around the whole plotting area, not the 3-d cube). I'm
willing to hack the code if necessary.
2. Is it possible to suppress plotting of all sides of the cube except
for the axes?
3. Is there a reliable way to print expressions in
2010 Sep 15
2
performance transfer (samba VS ftp)
Hi folks :-)
situation:
debian stable (samba version 2:3.2.5-4lenny9)
from clients by ftp the transfer of huge file is about 10/11Mb/s (with an
ethernet 10/100)
by samba came 5/6Mb/s
is it correct?
In smb.conf I don't have any "strange"options:
thanks
Pol
domain master = yes
preferred master = yes
os level = 65
workgroup = WORKGROUP
netbios name = name
Server String = name
2007 Apr 18
0
[Keir.Fraser@cl.cam.ac.uk: Re: [RFC PATCH 34/35] Add the Xen virtual network device driver.]
..., I completely forgot
about this... arrgh, have to post a retraction.
Anyway, min-entropy, being simply the negative log of the highest
probability, is always less than or equal to the Shannon entropy.
It's equal for uniform distributions (all choices equally likely),
but more conservative for lopsided distributions.
Here's the classic teaching example: say you have a source, which produces
31 truly random bits (0..0x7fffffff) half the time, but produces -1
(0xffffffff) the other half of the time. (If this seems too trivial,
assume it is encrypted with a one-time pad known only to the attac...
2007 Apr 18
0
[Keir.Fraser@cl.cam.ac.uk: Re: [RFC PATCH 34/35] Add the Xen virtual network device driver.]
..., I completely forgot
about this... arrgh, have to post a retraction.
Anyway, min-entropy, being simply the negative log of the highest
probability, is always less than or equal to the Shannon entropy.
It's equal for uniform distributions (all choices equally likely),
but more conservative for lopsided distributions.
Here's the classic teaching example: say you have a source, which produces
31 truly random bits (0..0x7fffffff) half the time, but produces -1
(0xffffffff) the other half of the time. (If this seems too trivial,
assume it is encrypted with a one-time pad known only to the attac...
2007 Dec 29
15
Do you think it would look cleaner?
I was looking over some of my specs.
I was thinking that the following:
@game.should_receive(:name).and_return(''The Battle for Blaze'')
@game.should_receive(:people).and_return(5000000)
@game.should_receive(:activated).and_return(true)
Would it look cleaner if I could do this instead?
@game.should_recieve_and_return(
:name => ''The Battle for Blaze''
2005 Mar 09
0
OW #10.09 - Google Desktop and Live Meeting
...formation. So the DOJ is sticking with what they know and in all probability this sale is more like an upgrade of some existing sites to the latest version, rather than any massive new deployment.
We'd love to see more vibrant competition in the office suite sphere, but it's a sign of how lopsided the market is when a 50,000 license sale is worthy of a press release from Corel. Microsoft probably sell that something like that many copies of Office each day and consider it to be pretty normal.
________
5. OFFICE FOR MAC UPDATE
There's a small update for Office 2004 for Macintosh users...