IDCG ( $re{l}_i$ )

Asker Vote

i

$re{l}_i$

DCG

${\log }_2\left(i+1\right)$

IDCG

$\frac{re{l}_i}{{\log }_2\left(i+1\right)}$

DCG

$\frac{re{l}_i}{{\log }_2\left(i+1\right)}$

IDCG

6

1

3

2

1.5

6

4

5

2

4

1

4

2.524

3

-

3

6

1.585

3.79

1.5

2

-

4

2

2.326

0.86

0.861

1

-

5

1

2.585

0.39

0.387

0

-

6

0

2.807

0

0