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(Daily Mail)   After studying the behavior of wild pack animals, scientists can now predict with 99% accuracy where gang fights will occur   (dailymail.co.uk) divider line 86
    More: Amusing, Boyle Heights  
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9098 clicks; posted to Main » on 27 Mar 2013 at 12:35 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-03-26 08:15:33 PM
How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.
 
2013-03-26 08:26:45 PM
Sorta reminds me of high school
 
2013-03-26 08:29:34 PM
Well that's lovely and all, but gangs don't stay equal sized for long. The ones that win fights tend to grow larger, at least for a while.
 
2013-03-26 08:45:59 PM
An anthropologist has applied predator-prey statistical models and mathematical models to study crime?  What, did he cite Beccaria too?
 
2013-03-26 10:02:55 PM
So, equal-sized, equally-strong gangs will clash at a point halfway between them.

Wow.  Never would have thought that.  Farking geniuses, they should get a Nobel for this.
 
2013-03-26 11:53:51 PM
Violence occurs primarily at the borders of gang territories is an epiphany for police? WTF?
 
2013-03-27 12:38:14 AM
After school by the monkey bars?
 
2013-03-27 12:40:24 AM
In the ghetto?"
 
2013-03-27 12:42:45 AM
source article

P. Jeffrey Brantingham, an anthropologist at UCLA who uses statistics to study crime, has applied the equations to a decidedly different population. He and his colleagues identified 13 criminal gangs of roughly equal size in the Boyle Heights neighborhood of Los Angeles' East Side. For each one, they drew upon police research to pick out an anchor point-a house or street corner-that func-tioned as the gang's home base. Then, using Lotka-Volterra-based equations, they drew theoretical borders between the gangs' turf.

"The model says that if you have two gangs that are equal in their competitive abilities, the boundary between them will be equidistant and perpendicular between their anchor points," Brantingham says. "It's a nice, simple, geometric organization."

Viewing the rivalries in that light enabled the researchers to predict where violence between gangs was most likely to take place: 58.8 percent would occur less than a fifth of a mile from the borders, 87.5 percent within two-fifths of a mile and 99.8 percent within a full mile. Mapping the actual 563 gang-related shootings in the area from 1999to 2002, the researchers found that their predictions were almost dead on: The distribution of real-life shootings was 58.2 percent, 83.1 percent and 97.7 percent, respectively.
 
2013-03-27 12:43:22 AM

GAT_00: An anthropologist has applied predator-prey statistical models and mathematical models to study crime?  What, did he cite Beccaria too?


No, he has a few mathematicians do it.  But since he's the most senior member of the team, he gets all the credit.
 
2013-03-27 12:45:04 AM
Now if we could figure out how to get them to do it more frequently until they eradicate each other.
 
2013-03-27 12:45:20 AM

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.


Easy

www.materialconcepts.com
 
2013-03-27 12:45:31 AM

FizixJunkee: GAT_00: An anthropologist has applied predator-prey statistical models and mathematical models to study crime?  What, did he cite Beccaria too?

No, he has a few mathematicians do it.  But since he's the most senior published member of the team, he gets all the credit.


Stay cynical, my friends.
 
2013-03-27 12:46:01 AM
So, the Daily Fail takes this:

What Can Bees Teach Us About Gang Warfare?

and rehashes it as:

How gang members behave like animals...

/To be fair, Daily Mail, we ALL behave "like animals."
 
2013-03-27 12:46:29 AM

vossiewulf: Violence occurs primarily at the borders of gang territories is an epiphany for police? WTF?


These guys are also able to predict where burglaries occur.  Their research isn't limited to studying gangs.

linky linky  Scroll to the bottom to see links.
 
2013-03-27 12:48:43 AM

UsikFark: FizixJunkee: GAT_00: An anthropologist has applied predator-prey statistical models and mathematical models to study crime?  What, did he cite Beccaria too?

No, he has a few mathematicians do it.  But since he's the most senior published member of the team, he gets all the credit.

Stay cynical, my friends.


So the anthropologist is doing all that math?  Then what are all the mathematicians on the team are doing?
 
2013-03-27 12:48:51 AM

nrdgrl: So, the Daily Fail takes this:

What Can Bees Teach Us About Gang Warfare?

and rehashes it as:

How gang members behave like animals...

/To be fair, Daily Mail, we ALL behave "like animals."


Well, humans are animals.

We just get really touchy and upset when someone challenges the belief we are somehow special in the universe.

Let's face it, we're just really, really lucky.
 
2013-03-27 12:50:43 AM

meat0918: nrdgrl: So, the Daily Fail takes this:

What Can Bees Teach Us About Gang Warfare?

and rehashes it as:

How gang members behave like animals...

/To be fair, Daily Mail, we ALL behave "like animals."

Well, humans are animals.

We just get really touchy and upset when someone challenges the belief we are somehow special in the universe.

Let's face it, we're just really, really lucky.


Exactly. Humans are animals; therefore, technically, we all behave like animals. Somehow, however, I don't think the Daily Mail was making that particular point.
 
2013-03-27 12:55:53 AM

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.


On a sphere. And the line's infinite.
 
2013-03-27 12:56:48 AM
warriorsmovie.co.uk
 
2013-03-27 12:57:19 AM

foxtail: In the ghetto?"


i.qkme.me

If there's one thing that she don't need, it's another hungry mouth to feed... in the ghetto.

And his mama cries
 
2013-03-27 12:57:48 AM

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.


Are you seriously that stupid? The boundary of any d-dimensional figure consists of (d - 1) - dimensional surfaces.
 
2013-03-27 12:58:30 AM

FizixJunkee: UsikFark: FizixJunkee: GAT_00: An anthropologist has applied predator-prey statistical models and mathematical models to study crime?  What, did he cite Beccaria too?

No, he has a few mathematicians do it.  But since he's the most senior published member of the team, he gets all the credit.

Stay cynical, my friends.

So the anthropologist is doing all that math?  Then what are all the mathematicians on the team are doing?


The anthropologist came up with the idea. The mathematicians did all the work. The truth lies somewhere in between. In peer-reviewed fields and publications, the various positions of authorship are "understood" to have varying degrees of inspiration, effort, and complete non-participation. Compare this to ghostwriting and you will see overlap in where credit is due.
 
2013-03-27 12:58:59 AM

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?


FTFA: He and his team, aided by police, identified an area or 'anchor point' which functioned as the gang's home base and used the Lotka- Volterra equation to draw borders between the turfs.

The line is equadistant from the gang's home base.
 
2013-03-27 01:00:27 AM
the correct answer is:

where or when one of the competing factions have a decided advantage (surprise, numbers...)

ime, a real standoff results in nothing most of the time. (not at all like ron burgundy)
 
2013-03-27 01:01:39 AM

eggplanticus: Are you seriously that stupid? The boundary of any d-dimensional figure consists of (d - 1) - dimensional surfaces.



nobody said there would be math  crashplan.com
 
2013-03-27 01:08:00 AM
Pretty much what the entire TV series of Numbers was about.
 
2013-03-27 01:12:45 AM
www.thefilmyap.com
 
2013-03-27 01:20:16 AM
Loading docks in between news studios and the suit store, duh
 
2013-03-27 01:20:32 AM
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/ raciss!
 
2013-03-27 01:24:34 AM

Benevolent Misanthrope: So, equal-sized, equally-strong gangs will clash at a point halfway between them.

Wow.  Never would have thought that.  Farking geniuses, they should get a Nobel for this.


Amazing. Almost as if boundaries were often fought over routinely throughout history.
 
2013-03-27 01:25:17 AM
the issue here is that gang territories are typically smaller than a mile and the results say that 99% of crimes will occur within a mile of the oddly-named line. Of course they will. Predict the corner and the time and we'll have some insight.
 
2013-03-27 01:41:06 AM

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.


Keep reelin' 'em in, man.

meat0918: Easy


Quantum Apostrophe: On a sphere. And the line's infinite.


eggplanticus: Are you seriously that stupid? The boundary of any d-dimensional figure consists of (d - 1) - dimensional surfaces.


iron de havilland: Do you feel any sense of glory for getting the boobies in a thread, when your post is so... stupid?

 
2013-03-27 01:44:06 AM
First, we imagine the gang is a perfect sphere....
 
2013-03-27 01:49:18 AM

Voodoo_Stu: First, we imagine the gang is a perfect sphere....


OK; this is the second time that I've seen this joke in the last two days.  Is it just an allusion to the fact that field sources are approximated by spheres in physics?
 
2013-03-27 01:57:49 AM

UsikFark: iron de havilland:

Do you feel any sense of glory when your post is so... stupid?


It is? I was responding to the boobies of this thread:

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.

Can you explain how the boundaries of a 2-dimensional area can form anything other than a 1-dimensional line?
 
2013-03-27 02:01:01 AM

Dreamless: Voodoo_Stu: First, we imagine the gang is a perfect sphere....

OK; this is the second time that I've seen this joke in the last two days.  Is it just an allusion to the fact that field sources are approximated by spheres in physics?


Here is a model they used- if the .gif works in my post, watch the initial shapes of the gangs form approximate circles:

media.smithsonianmag.com
Source: www.smithsonianmag.com
 
2013-03-27 02:03:15 AM

iron de havilland: UsikFark: iron de havilland:

Do you feel any sense of glory when your post is so... stupid?

It is? I was responding to the boobies of this thread:

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.
Can you explain how the boundaries of a 2-dimensional area can form anything other than a 1-dimensional line?


The incredible thing is that a line is two dimensional.
 
2013-03-27 02:03:21 AM

Dreamless: Voodoo_Stu: First, we imagine the gang is a perfect sphere....

OK; this is the second time that I've seen this joke in the last two days.  Is it just an allusion to the fact that field sources are approximated by spheres in physics?


It's more an allusion to the fact that physicists by and large oversimplify everything in textbooks.
 
2013-03-27 02:04:11 AM

Dreamless: Voodoo_Stu: First, we imagine the gang is a perfect sphere....

OK; this is the second time that I've seen this joke in the last two days.  Is it just an allusion to the fact that field sources are approximated by spheres in physics?


When you're doing back-of-the-envelope calculations, you often resort to simplifications to get a first-order result. If you want more accurate results later on, you can include "perturbations" like making the sphere an ovoid, for example.

There are several physics jokes that involve "spherical cows," for example.

http://brad.denby.me/starblog/wp-content/uploads/2013/01/moo.jpg

Here's one:
blogs.scienceforums.net
 
2013-03-27 02:05:50 AM

UsikFark: iron de havilland: UsikFark: iron de havilland:

Do you feel any sense of glory when your post is so... stupid?

It is? I was responding to the boobies of this thread:

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.
Can you explain how the boundaries of a 2-dimensional area can form anything other than a 1-dimensional line?

The incredible thing is that a line is two dimensional.


FAIL.
 
2013-03-27 02:09:48 AM

Dreamless: Voodoo_Stu: First, we imagine the gang is a perfect sphere....

OK; this is the second time that I've seen this joke in the last two days.  Is it just an allusion to the fact that field sources are approximated by spheres in physics?


I hadn't thought of it as simply a physics problem, just an over-simplification problem, but a little Googling tells me other wise.  I see others have explained this with the same link.

But really, I think I would have censored myself if I previewed my comment.  I now see there's no longer a check box to prevent me from doing what I just did. I used to leave "Preview before post" checked, allowing me a chance to see how stupid what I wrote sounded. I guess now, I'll have to consciously learn to press the button next "Add Comment."  That's gunna make me post some stupid things when I'm too tired to remember.

Any way, as an apology, here's my estimation (to roughly 100% precision) of where the Gang fights will occur:
upload.wikimedia.org
 
2013-03-27 02:12:33 AM

UsikFark: iron de havilland: UsikFark: iron de havilland:

Do you feel any sense of glory when your post is so... stupid?

It is? I was responding to the boobies of this thread:

Bastard Toadflax: How do the boundaries of a 2-dimensional area form a 1-dimensional line?

The Daily Fail strikes again.
Can you explain how the boundaries of a 2-dimensional area can form anything other than a 1-dimensional line?

The incredible thing is that a line is two dimensional.


memeorama.com
 
2013-03-27 02:13:37 AM
Voodoo_Stu:

Any way, as an apology, here's my estimation (to roughly 100% precision) of where the Gang fights will occur:
[upload.wikimedia.org image 300x407]


The UCLA folks' predictions are better than that.
 
2013-03-27 02:20:42 AM

Abacus9: The incredible thing is that a line is two dimensional.

FAIL.


A line has infinitesimal volume, like your dick.
 
2013-03-27 02:28:20 AM
numb3rs.edogo.com
Well, it is not math, but at least it is sciency.
 
2013-03-27 02:48:32 AM

UsikFark: Abacus9: The incredible thing is that a line is two dimensional.

FAIL.

A line has infinitesimal volume, like your dick.


A line has zero volume, zero area. Zero width, zero length.
/like yours (I keed).
 
2013-03-27 02:53:54 AM
I'm confused. They're just using voronoi calculations? How the fark is that new or complex?

i.imgur.com
 
2013-03-27 03:07:30 AM
Though not pack animals, a chicken was found in a gang fight outside local observatory. Scientists are yet to identify a cause.
 
2013-03-27 03:09:11 AM

Abacus9: UsikFark: Abacus9: The incredible thing is that a line is two dimensional.

FAIL.

A line has infinitesimal volume, like your dick.

A line has zero volume, zero area. Zero width, zero length.
/like yours (I keed).


Actually length is the one thing that a line does have, it is actually it's only characteristic.
 
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