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Topic: Minor trust score algorithm change - page 7. (Read 7377 times)

legendary
Activity: 1666
Merit: 1185
dogiecoin.com
May 20, 2015, 02:17:52 PM
#27
There is no decay. Ratings grow in weight from 1 to 10, then stay at 10 forever. (If the rated person has no negatives.)

Oh derp, I thought "months since rating" would be counting down for some reason.
legendary
Activity: 2828
Merit: 1222
Just looking for peace
May 20, 2015, 02:15:49 PM
#26
I was freaked at first to see the change but then i looked up in Meta to find this.
Though am not disappointed but the previous Algo was better.
legendary
Activity: 1120
Merit: 1000
Free & Fast Neotox Escrow http://bit.ly/1OGVykp
May 20, 2015, 02:15:06 PM
#25
It looks like no matter what if the last feedback you receive is negative then you will either have a ?? ? Trust score or a negative score. Look at TECSHARE for example, his rating from Vod means he has a question mark rating.

Also TF has a negative 9999 rating lol.
not always
I have seen users who received both positive and negative feedbacks and still has black trust ratings with first number 0


Edit: looks like trust system is not completely done, i have a seen a user who received 2 positive trusts around 6 months ago and few later as well as few negative feedback but still his trust rating is black with first number Zero (0). it should be either green or red because trust ratings are old. also total number of users who sent him trust are higher on his trust page then shown in third number in trust score
copper member
Activity: 2996
Merit: 2374
May 20, 2015, 02:08:44 PM
#24
It looks like no matter what if the last feedback you receive is negative then you will either have a ?? ? Trust score or a negative score. Look at TECSHARE for example, his rating from Vod means he has a question mark rating.

Also TF has a negative 9999 rating lol.
hero member
Activity: 593
Merit: 500
1NoBanksLuJPXf8Sc831fPqjrRpkQPKkEA
May 20, 2015, 02:02:08 PM
#23
@theymos what is the thinking behind increasing the numbers? It makes changes too much. Was it to increase the strength of DefaultTrust?

Currently, even 1 trade with a DefaultTrust means becoming green soon. Earlier one had to wait a lot of time to become green trusted. It also makes changes abrupt. Muhammed Zakir went from ??? to +5 with one change in feedback.
legendary
Activity: 1120
Merit: 1000
Free & Fast Neotox Escrow http://bit.ly/1OGVykp
May 20, 2015, 02:00:36 PM
#22
There are some useful changes, but the first score needs to be rescaled. It varies too much if one trust is added or removed. Makes anyone in Default trust much more powerful and those outside it more worthless.

Muhammed Zakir's rating shows as ???

already reported about this ?? ? bug to admin theymos

The code is : if(score < 0)
         return ?? ? (orange)

Hence it returned ?? ?
Ah, I think its not a bug but a new trust symbol

Edit: admin theymos confirmed this, new trust symbol ?? ?
legendary
Activity: 1778
Merit: 1043
#Free market
May 20, 2015, 02:00:03 PM
#21
??? is a valid score in the new algorithm.

...

Then at least he doesn't have a "negative" trust red score but a pink one ... really cool.



Thanks again for the reply.
administrator
Activity: 5222
Merit: 13032
May 20, 2015, 01:57:19 PM
#20
??? is a valid score in the new algorithm.

Doesn't that mean if someone receives a positive and a negative rating, they'll go negative if the negative is newer?

If someone has 1 positive and 1 negative, then the time doesn't matter. They'll have a score of -1.

Examples:
Old -> New
+ - : -1
- + : -1
+ + - : ???
+ - + : 0
- + + : 1
+ + + : >=3
- - + : -3
+ - - : -3
- - - : -8

That seems like quite an extreme decay, ratings after 10 months are worthless? Its going to lead to a lot of reposted ratings to refresh them.

There is no decay. Ratings grow in weight from 1 to 10, then stay at 10 forever. (If the rated person has no negatives.)
legendary
Activity: 2632
Merit: 1094
May 20, 2015, 01:56:11 PM
#19
There are some useful changes, but the first score needs to be rescaled. It varies too much if one trust is added or removed. Makes anyone in Default trust much more powerful and those outside it more worthless.

Muhammed Zakir's rating shows as ???

already reported about this ?? ? bug to admin theymos

The code is : if(score < 0)
         return ?? ? (orange)

Hence it returned ?? ?
legendary
Activity: 1120
Merit: 1000
Free & Fast Neotox Escrow http://bit.ly/1OGVykp
May 20, 2015, 01:54:01 PM
#18
There are some useful changes, but the first score needs to be rescaled. It varies too much if one trust is added or removed. Makes anyone in Default trust much more powerful and those outside it more worthless.

Muhammed Zakir's rating shows as ???

already reported about this ?? ? bug to admin theymos
hero member
Activity: 593
Merit: 500
1NoBanksLuJPXf8Sc831fPqjrRpkQPKkEA
May 20, 2015, 01:51:53 PM
#17
There are some useful changes, but the first score needs to be rescaled. It varies too much if one trust is added or removed. Makes anyone in Default trust much more powerful and those outside it more worthless.

Muhammed Zakir's rating shows as ???



Yes:



It is a bug.... theymos can surely fix it.

It became an easy fix, remove LouReed Cheesy
legendary
Activity: 1778
Merit: 1043
#Free market
May 20, 2015, 01:51:01 PM
#16
There are some useful changes, but the first score needs to be rescaled. It varies too much if one trust is added or removed. Makes anyone in Default trust much more powerful and those outside it more worthless.

Muhammed Zakir's rating shows as ???



Yes:



It is a bug.... theymos can surely fix it.
hero member
Activity: 593
Merit: 500
1NoBanksLuJPXf8Sc831fPqjrRpkQPKkEA
May 20, 2015, 01:48:24 PM
#15
There are some useful changes, but the first score needs to be rescaled. It varies too much if one trust is added or removed. Makes anyone in Default trust much more powerful and those outside it more worthless.

Muhammed Zakir's rating shows as ???

EDIT: It has changed now as the negative feedback became untrusted. This only shows how much it fluctuates.

legendary
Activity: 1666
Merit: 1185
dogiecoin.com
May 20, 2015, 01:44:33 PM
#14
Is there going to be any kind if max score like there was previously (150)?

Currently -9999 to 9999
legendary
Activity: 1666
Merit: 1185
dogiecoin.com
May 20, 2015, 01:41:39 PM
#13
I also completely changed the trust score algorithm to this:
Code:
if there are no negative ratings
score = unique_positive - 2^(unique_negative)
if score >= 0
start_time = time of first negative
score = unique_positive since start_time - unique_negative since start_time
if(score < 0)
return ??? (orange)
Doesn't that mean if someone receives a positive and a negative rating, they'll go negative if the negative is newer?


Code:
		score += min(10, round_up(months since rating))
That seems like quite an extreme decay, ratings after 10 months are worthless? Its going to lead to a lot of reposted ratings to refresh them.
legendary
Activity: 1736
Merit: 1029
May 20, 2015, 01:41:16 PM
#12
I was so freaked when I saw the change in my trust score!
Yeah, keep people at neutral trust in black text. 
legendary
Activity: 1578
Merit: 1000
May the coin be with you..
May 20, 2015, 01:38:14 PM
#11
Pleasant surprise, thought there was a problem with my trust
legendary
Activity: 2632
Merit: 1094
May 20, 2015, 01:33:13 PM
#10
Thanks for the clarification. However, I can see that people have got triple the number of ratings in their account. I can see 13 as my trust score. First number is the trust rating and second number is the negative feedback I've received  Huh
legendary
Activity: 1162
Merit: 1001
May 20, 2015, 01:32:04 PM
#9
Damn, my trust score changed drastically. With the default settings I now have over 50 points, instead of 30 or so.

Same here. I saw 24 for myself before and now it's at 100..

Seems like a more straightforward representation of numbers though.
legendary
Activity: 1036
Merit: 1000
May 20, 2015, 01:30:46 PM
#8
Aha, I thought forum got some bug when I saw my trust rating.Anyways thanks for update.
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