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App with highest app-karma on frontpage

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indeyets at gmail

Nov 11, 2009, 6:57 AM

Post #1 of 6 (478 views)
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App with highest app-karma on frontpage

Hi all!

App-karma stuff implemented recently seems to be working fine.
We have updating listings for all platforms:

http://maemo.org/downloads/score/OS2008/25/
http://maemo.org/downloads/score/Maemo5/25/
…
etc. (click links on the right)

Next step is to put top-apps from these lists to the frontpage.
(Frontpage tries to show apps depending on the platform of user's
browser. If platform is not supported it shows OS2008 apps)

Currently, we show 2 apps on the frontpage:
1) "Hot app" (the app with highest rating)
2) "Fresh app" (the most recent app)

I think we should replace #1. right? :)

A little problem, that we have now: OS2008's app with top karma is
"Maemo PC Connectivity" and it doesn't have screenshot. It's just not
good from aesthetical point of view.
We need some relevant image there.
http://maemo.org/downloads/product/OS2008/maemo-pc-connectivity/

I am not sure if Luciano Wolf (he is the maintainer of that app) is
reading the list. Does anyone have his email?

The change to the frontpage is trivial. I can apply it as soon as you
tell me "Do it" :)

p.s. some more apps in top-ratings without screenshots:

3rd place in maemo5 rating: http://maemo.org/downloads/product/Maemo5/adblock-plus-1.0/
1st place in OS2007 rating: http://maemo.org/downloads/product/OS2007/hildon-systray/
2nd place in OS2007 rating: http://maemo.org/downloads/product/OS2007/gnome_games_aisleriot/
5th place in OS2007 rating: http://maemo.org/downloads/product/OS2007/minimo/
2nd place in OS2006 rating: http://maemo.org/downloads/product/OS2006/gpe-calendar/
3rd place in OS2006 rating: http://maemo.org/downloads/product/OS2006/pyplucker/
5th place in OS2006 rating: http://maemo.org/downloads/product/OS2006/irssi/
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dneary at maemo

Nov 11, 2009, 7:27 AM

Post #2 of 6 (442 views)
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Re: App with highest app-karma on frontpage [In reply to]

Hi,

Alexey Zakhlestin wrote:
> http://maemo.org/downloads/score/OS2008/25/
> http://maemo.org/downloads/score/Maemo5/25/

Looks good! Out of interest, where is app karma documented? I saw your
simulations of what the formula looked like, and just re-read the app
karma thread from August, but I'm afraid I didn't figure out what
formula we're using now for app karma.

> Currently, we show 2 apps on the frontpage:
> 1) "Hot app" (the app with highest rating)
> 2) "Fresh app" (the most recent app)
>
> I think we should replace #1. right? :)

Yes; it might also be interesting to have a short list with the 2nd and
3rd place apps underneath (also for Fresh).

> I am not sure if Luciano Wolf (he is the maintainer of that app) is
> reading the list. Does anyone have his email?

I have it - will mail you off-list.

Cheers,
Dave.

--
maemo.org docsmaster
Email: dneary [at] maemo
Jabber: bolsh [at] jabber

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indeyets at gmail

Nov 11, 2009, 7:57 AM

Post #3 of 6 (442 views)
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Re: App with highest app-karma on frontpage [In reply to]

On 11.11.2009, at 18:27, Dave Neary wrote:

> Hi,
>
> Alexey Zakhlestin wrote:
>> http://maemo.org/downloads/score/OS2008/25/
>> http://maemo.org/downloads/score/Maemo5/25/
>
> Looks good! Out of interest, where is app karma documented? I saw your
> simulations of what the formula looked like, and just re-read the app
> karma thread from August, but I'm afraid I didn't figure out what
> formula we're using now for app karma.

main formula:

$rating = ($yesterday * 0.999)
+ 0.1 * ($avg_d_this_week - $avg_d_last_week)
+ 0.1 * ($avg_c_this_week - $avg_c_last_week)
+ 0.1 * ($avg_v_this_week - $avg_v_last_week);

d = downloads
c = comments
v = votes

additionally, we use "fake" formula for apps which do not have enough
stats (appeared less than 14 days ago):

"100" on the first day
and then each day "$yesterday + 0.001" if stats are better then
yesterday and "$yesterday - 0.001" if stats are worse.

this way, new apps will stay close to the base score with minimal
fluctuations.
after they have enough stats they will be recalculated using proper
formula

>> Currently, we show 2 apps on the frontpage:
>> 1) "Hot app" (the app with highest rating)
>> 2) "Fresh app" (the most recent app)
>>
>> I think we should replace #1. right? :)
>
> Yes; it might also be interesting to have a short list with the 2nd
> and
> 3rd place apps underneath (also for Fresh).

sounds like a plan for a new task :)

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luciano.wolf at indt

Nov 11, 2009, 8:15 AM

Post #4 of 6 (440 views)
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RE: App with highest app-karma on frontpage [In reply to]

Hi Alexey,

Thanks for forwarding it to me! I'm really a little bit away from Maemo :(

About Maemo PC Connectivity[1], I've just created that entry to the .install file. The real owner of this project is Hallyson Melo so I'm including him into this conversation.

Hallyson, could you take a look on this?

Regards,
Luciano

[1] https://garage.maemo.org/projects/pc-connectivity/
________________________________________
From: ext Alexey Zakhlestin [indeyets [at] gmail]
Sent: Wednesday, November 11, 2009 14:00
To: Wolf Luciano (EXT-INdT/Recife)
Subject: Fwd: App with highest app-karma on frontpage

Hi.

I am not sure if you read maemo-community mailing list.
Forwarding message just to be sure :)

Begin forwarded message:

> From: Alexey Zakhlestin <indeyets [at] gmail>
> Date: 11 íîÿáðÿ 2009 ã. 17:57:49 Ìîñêîâñêîå
> ñòàíäàðòíîå âðåìÿ
> To: List for community development <maemo-community [at] maemo>
> Subject: App with highest app-karma on frontpage
>
> Hi all!
>
> App-karma stuff implemented recently seems to be working fine.
> We have updating listings for all platforms:
>
> http://maemo.org/downloads/score/OS2008/25/
> http://maemo.org/downloads/score/Maemo5/25/
> …
> etc. (click links on the right)
>
> Next step is to put top-apps from these lists to the frontpage.
> (Frontpage tries to show apps depending on the platform of user's
> browser. If platform is not supported it shows OS2008 apps)
>
>
> Currently, we show 2 apps on the frontpage:
> 1) "Hot app" (the app with highest rating)
> 2) "Fresh app" (the most recent app)
>
> I think we should replace #1. right? :)
>
>
>
> A little problem, that we have now: OS2008's app with top karma is
> "Maemo PC Connectivity" and it doesn't have screenshot. It's just
> not good from aesthetical point of view.
> We need some relevant image there.
> http://maemo.org/downloads/product/OS2008/maemo-pc-connectivity/
>
> I am not sure if Luciano Wolf (he is the maintainer of that app) is
> reading the list. Does anyone have his email?
>
>
> The change to the frontpage is trivial. I can apply it as soon as
> you tell me "Do it" :)
>
>
>
> p.s. some more apps in top-ratings without screenshots:
>
> 3rd place in maemo5 rating: http://maemo.org/downloads/product/Maemo5/adblock-plus-1.0/
> 1st place in OS2007 rating: http://maemo.org/downloads/product/OS2007/hildon-systray/
> 2nd place in OS2007 rating: http://maemo.org/downloads/product/OS2007/gnome_games_aisleriot/
> 5th place in OS2007 rating: http://maemo.org/downloads/product/OS2007/minimo/
> 2nd place in OS2006 rating: http://maemo.org/downloads/product/OS2006/gpe-calendar/
> 3rd place in OS2006 rating: http://maemo.org/downloads/product/OS2006/pyplucker/
> 5th place in OS2006 rating: http://maemo.org/downloads/product/OS2006/irssi/

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anidel at gmail

Nov 11, 2009, 8:28 AM

Post #5 of 6 (441 views)
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Re: App with highest app-karma on frontpage [In reply to]

2009/11/11 Alexey Zakhlestin <indeyets [at] gmail>:
>
> On 11.11.2009, at 18:27, Dave Neary wrote:
>
>> Hi,
>>
>> Alexey Zakhlestin wrote:
>>> http://maemo.org/downloads/score/OS2008/25/
>>> http://maemo.org/downloads/score/Maemo5/25/
>>
>> Looks good! Out of interest, where is app karma documented? I saw your
>> simulations of what the formula looked like, and just re-read the app
>> karma thread from August, but I'm afraid I didn't figure out what
>> formula we're using now for app karma.
>
> main formula:
>
> $rating = ($yesterday * 0.999)
> + 0.1 * ($avg_d_this_week - $avg_d_last_week)
> + 0.1 * ($avg_c_this_week - $avg_c_last_week)
> + 0.1 * ($avg_v_this_week - $avg_v_last_week);
>
> d = downloads
> c = comments
> v = votes
>
> additionally, we use "fake" formula for apps which do not have enough
> stats (appeared less than 14 days ago):
>
> "100" on the first day
> and then each day "$yesterday + 0.001" if stats are better then
> yesterday and "$yesterday - 0.001" if stats are worse.
>
> this way, new apps will stay close to the base score with minimal
> fluctuations.
> after they have enough stats they will be recalculated using proper
> formula
>

Will the app-karma be retained when a new version of an already
present App comes along in Extras?

--
anidel
Sent from London, Eng, United Kingdom
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indeyets at gmail

Nov 11, 2009, 8:41 AM

Post #6 of 6 (443 views)
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Re: App with highest app-karma on frontpage [In reply to]

On 11.11.2009, at 19:28, Aniello Del Sorbo wrote:

> 2009/11/11 Alexey Zakhlestin <indeyets [at] gmail>:
>>
>> On 11.11.2009, at 18:27, Dave Neary wrote:
>>
>>> Hi,
>>>
>>> Alexey Zakhlestin wrote:
>>>> http://maemo.org/downloads/score/OS2008/25/
>>>> http://maemo.org/downloads/score/Maemo5/25/
>>>
>>> Looks good! Out of interest, where is app karma documented? I saw
>>> your
>>> simulations of what the formula looked like, and just re-read the
>>> app
>>> karma thread from August, but I'm afraid I didn't figure out what
>>> formula we're using now for app karma.
>>
>> main formula:
>>
>> $rating = ($yesterday * 0.999)
>> + 0.1 * ($avg_d_this_week - $avg_d_last_week)
>> + 0.1 * ($avg_c_this_week - $avg_c_last_week)
>> + 0.1 * ($avg_v_this_week - $avg_v_last_week);
>>
>> d = downloads
>> c = comments
>> v = votes
>>
>> additionally, we use "fake" formula for apps which do not have enough
>> stats (appeared less than 14 days ago):
>>
>> "100" on the first day
>> and then each day "$yesterday + 0.001" if stats are better then
>> yesterday and "$yesterday - 0.001" if stats are worse.
>>
>> this way, new apps will stay close to the base score with minimal
>> fluctuations.
>> after they have enough stats they will be recalculated using proper
>> formula
>>
>
> Will the app-karma be retained when a new version of an already
> present App comes along in Extras?

yes. as long as application is updated app-karma history persists
karma-history is independent for apps for various platforms of course.
release for the new platform is not considered as "update"

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