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Rankings e algoritmos de classificação
1.
João Moura @joaomdmoura
github.com/joaomdmoura
2.
PALPITEROS RUBYSOURCE
3.
TEMOS vAGAS! jmoura@palpiteros.com
4.
rankings você esta
fazendo isso errado
5.
por que? onde
e como?
6.
GAME NEWS
7.
GAME NEWS
8.
objetivo ordenar e
distinguir
9.
fator! quão hábil
relevante?
10.
Relevância é dinheiro
11.
17.000.000.000,00
12.
13.
Ranking Relevância Resultado
14.
Ranking Relevância Resultado
15.
problema Resultado errado!
16.
“eu quero ser
o maior treinador de todos os tempos”
17.
1 2 3
1000 2000 1500
18.
1 2 3
1000 2000 1500
19.
1 2 3
1000 2000 1500 10
20.
1 2 3
4 1000 2000 1500 10
21.
“eu quero ser
o maior treinador de todos os tempos” Só que não
22.
Consequência objetivo x
realidade
23.
Habilidade != histórico
24.
Rankings não são
coisa de criança
25.
é possível algorítimos
26.
“Um algoritmo é
uma sequência finita de instruções bem definidas e não ambíguas, cada uma das quais pode ser executada mecanicamente num período de tempo finito e com uma quantidade de esforço finita”
27.
ELO rating
28.
Rating game
29.
Rating game Ra
= Rb
30.
Precisão Nø partidas
31.
Microsoft sim, microsoft
32.
Microsoft sim, microsoft
33.
+
34.
TRuESKILL
35.
TrUE Skill ELo
Rating on Steroids
36.
rating { SKILL
distrust
37.
SKILL distrust
38.
distrust USER game
SKILL
39.
2000 1500 100
500
40.
2000 1150000 500
41.
distrust SKILL
42.
distrust SKILL
43.
distrust SKILL
44.
x DESAFIO SKILL
distrust
45.
WIN LOST dificuldade
46.
Microsoft sim, é
patentiado
47.
Sigma ♪ Ruby!
ruby! Ruby! Ruby!♪
48.
100.times { user_1.won
(user_1.rating - user_2.rating) user_2.lost (user_2.rating - user_1.rating) user_2.won (user_2.rating - user_3.rating) user_3.lost (user_3.rating - user_2.rating) user_3.won (user_3.rating - user_4.rating) user_4.lost (user_4.rating - user_3.rating) }
49.
2.times { user_5.won(user_5.rating
- user_2.rating) user_2.lost(user_2.rating - user_5.rating) } 2.times { user_5.won(user_5.rating - user_1.rating) user_1.lost(user_1.rating - user_5.rating) } expect(User.ranking.first).to eq user_5
50.
51.
EASY x.rating x.position
x.matches x.won(difficulty) x.lost(difficulty)
52.
CODEPONG Devs também
fazem esporte
53.
CODEPONG Devs também
fazem esporte
54.
Habilidade COnfiança EXpectativa
acertividade
55.
COnclusão
56.
COnclusão Todos participaram
57.
COnclusão Todos participaram
produtividade despenca
58.
COnclusão Todos participaram
produtividade despenca Akita é japonês e não joga bem
59.
Revisão POssibilidades Relevância
ALgorítimos SIGMA PING PONG é LEGAL
60.
TAKE OFF CONF
61.
62.
63.
FEVEREIrO 2014
64.
Thank you! @joaomdmoura
github.com/joaomdmoura
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