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Ordering Data?
Senuka Harbinger
A-Life, one bit at a time
Join date: 24 Oct 2005
Posts: 491
10-19-2006 12:27
I have a data set of 4 "objects" and each object has 2 values assigned to them (lets call them a and b). how would I go about ordering this data so that it sorts by value of a, and then by value of b. example:


data set:

Object1(4,5)
Object2(-3,2)
Object3(4,-1)
Object4(1,0)


how it would be organized greatest to least:

Object1(4,5)
Object3(4,-1)
Object4(1,0)
Object2(-3,2)
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The function is working perfectly fine. It's just not working the way you wanted it to work.
Dragnar Drake
Registered User
Join date: 6 Feb 2006
Posts: 25
10-19-2006 12:51
well what kind of data are you trying to move? vector, integer, string, ect?

integer would be easy, vector a little harder, float about the same as integer,

string would be kind of hard since then i believe you'll be going into binory*SP* when it comes into order from greatest to least.

so please tell use what kind of data you want moved
Senuka Harbinger
A-Life, one bit at a time
Join date: 24 Oct 2005
Posts: 491
10-19-2006 13:14
From: Dragnar Drake
well what kind of data are you trying to move? vector, integer, string, ect?

integer would be easy, vector a little harder, float about the same as integer,

string would be kind of hard since then i believe you'll be going into binory*SP* when it comes into order from greatest to least.

so please tell use what kind of data you want moved


all the data is integer/float.
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The function is working perfectly fine. It's just not working the way you wanted it to work.
Newgate Ludd
Out of Chesse Error
Join date: 8 Apr 2005
Posts: 2,103
10-19-2006 15:21
If you are talking about a limited set of items then a simple bubble sort would do.
Jesse Barnett
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Join date: 21 May 2006
Posts: 4,160
10-19-2006 16:12
From: Newgate Ludd
If you are talking about a limited set of items then a simple bubble sort would do.


What is simple for some is......................... LOL. Please cast some of your knowledge my way. I had been thinking about Senuka's problem off and on for a couple of hours. Sorting "Object#" would be easy, everything in a list and just do a strided sort, up or down. But then it gets complicated for me when trying to sort the second or third fields.

I know if I beat myself up for a couple of hours I could come up with a really ugly way to do it and it would work. Then after thinking and looking at my solution for a couple more days I could see a more elegant way to do it. But since I don't really need this solution for anythign I am currently working on I will be lazy and ask to see a demo script of this :-)
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Senuka Harbinger
A-Life, one bit at a time
Join date: 24 Oct 2005
Posts: 491
10-19-2006 23:51
From: Jesse Barnett
What is simple for some is......................... LOL. Please cast some of your knowledge my way. I had been thinking about Senuka's problem off and on for a couple of hours. Sorting "Object#" would be easy, everything in a list and just do a strided sort, up or down. But then it gets complicated for me when trying to sort the second or third fields.

I know if I beat myself up for a couple of hours I could come up with a really ugly way to do it and it would work. Then after thinking and looking at my solution for a couple more days I could see a more elegant way to do it. But since I don't really need this solution for anythign I am currently working on I will be lazy and ask to see a demo script of this :-)


lol, that's been my exact thoughts. my data set is actually 16 Objects with about 3-4 data points for each, but I figured if someone could help me out with a simple 4 & 2, I could model a sorting system for my data off of that.

I come from an almost pure mathematical background with little to no comp science, and have no idea what a "bubble sort" is.

[edit]
I was also contemplating storing the data points for each object as a list:

example:
list object1 ["name1",a,b]

as opposed to my current storage method:

integer object1a=a;
integer object1b=b;
string object1="name1";
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The function is working perfectly fine. It's just not working the way you wanted it to work.
Squirrel Wood
Nuteater. Beware!
Join date: 14 Jun 2006
Posts: 471
10-20-2006 00:37
Google is your friend!

http://en.wikipedia.org/wiki/Bubble_sort
Newgate Ludd
Out of Chesse Error
Join date: 8 Apr 2005
Posts: 2,103
10-20-2006 00:58
Beat me to it Squirrel :)

Bubblesorts are probably the easiest sort to implement. I'd suggest using lists, or strided lists if you like them :), its more effiecient if you suddenly have to cater for say 20 objects rather than 16 as you dont need to recode.